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Max Planck Institute for Marine Microbiology

Max Planck Institute for Marine Microbiology - mpi … · The Max Planck Institute for Marine Microbiology They are inconspicuous yet omnipresent, only a few thousandths of a millimeter

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Page 1: Max Planck Institute for Marine Microbiology - mpi … · The Max Planck Institute for Marine Microbiology They are inconspicuous yet omnipresent, only a few thousandths of a millimeter

Max Planck Institute for MarineMicrobiology

Page 2: Max Planck Institute for Marine Microbiology - mpi … · The Max Planck Institute for Marine Microbiology They are inconspicuous yet omnipresent, only a few thousandths of a millimeter

Contents

1 TheMaxPlanckInstituteforMarineMicrobiology (MPI)

3 DepartmentofMicrobiology 4 - Ecophysiology Group

5 DepartmentofBiogeochemistry 6 - Microsensor Group

7 DepartmentofMolecularEcology 8 - Microbial Genomics & Bioinformatics Research Group 9 - Symbiosis Group

10 MaxPlanckResearchGroupforMicrobialFitness

11 HGFMPGDeep-SeaEcologyandTechnologyGroup

12 MaxPlanckResearchGroupforMarineIsotopeGeochemistry

13 MaxPlanckResearchGroupforMarineGeochemistry

14 TeachingandStudying

15 Spin-off:RiboconGmbH

16 FascinatedScientists

17 NoSciencewithoutSupportStaff

18 TheMaxPlanckSociety

19 CooperationPartners

20 Location

Imprint Publishedby: MaxPlanckInstituteforMarineMicrobiology PressandPublicRelationsDepartment Celsiusstr.1·D-28359Bremen Phone: +49(0)4212028-704 Fax: +49(0)4212028-790 E-Mail: [email protected] Internet: www.mpi-bremen.de

Conceptand textediting: Dr.RitaDunker,Dr.ManfredSchlösser Photos: B.Adam,M.Al-Najjar,A.Dübecke, M.FernándezMéndez,J.Fischer, B.Fuchs,J.Harder,MARUM,V.Salman, M.Schlösser,H.Schulz

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Editorial

Theoceancoversmorethantwothirdsofourplanetandis,averagedoveritsarea,almostfourkilometersdeep.ItrepresentsbyfarthelargesthabitatonEarth.Com-paredtothemarineanimalsandthealgaewiththeirmul-titudeofshapes,thethirdgroupofmarinelifeforms,thebacteriaandarchaea(archeabacteria)seemutterlyun-spectacular.Withdimensionsthatbarelyexceedafewthousandthofmillimeterstheyareonlyvisibleunderthemicroscope,wheretheyshowthesimplestshapes:Cocci,rods,filaments,atbestdenselypackedagglom-eratesofmanysinglecells.Yet,meresightandrealsig-nificancearetwodifferentthings.Theessentialcharac-teristicofmicroorganismsistheirimpact.Thevarietyofimpactsisfamiliartous,whiletheactorsthemselvesoftentimesremainhidden.Thepathogenic,infectiousbacteriaarewellknown,aswellasthosebacteriathatgiveflavortoourfoodorspoilit.Afarlargernumberofmicroorganisms,somewhatsloppilycalled“environmentalmicroorganisms”areresponsiblefornutrientrecyclinginsoilsandwaters,andprovideusefulhelpinsewageplants.Othermicroorganismsfindapplicationinthefieldofbiotechnology,andcatalyzeindustriallyrelevantchemi-calreactions.

Microorganismsintheseahaveformanydecadesplayedanunderestimatedroleinmarineresearch.Onlyrecently,thankstotheprogressionofdetailedchemicalandphysicalmethodsofanalysis,havepeoplebecomeawareoftheirtruesignificance:TheyhaveshapedthechemistryoftheoceansincetheearlyhistoryofEarthandplayacrucialroleintheglobalcyclesofchemicalelementslikecarbon,nitrogen,phos-phorus,sulfurandiron.Microorganismscontributeonalargescaletophotosynthe-sis,andthusprimaryproductionintheocean.Theyproducetheclimaterelevantgasmethaneandarealsoabletodegradeit.Theyfixnitrogenfromtheairandreturnitagaintotheatmosphericreservoir.Andtheyareevenabletoremediateoilspills.

Thislistshowsthatwetalkaboutmuchmorethanjust“pure”microbiology.Marinemicrobiologyhasdevelopedintoanextremelyinterdisciplinaryfieldthatiscloselylinkedtomarinechemistry,marinegeology,climateresearch,molecularbiology,bio-chemistry,andthedevelopmentofanalyticalinstruments.SincethefoundationoftheMaxPlanckInstituteforMarineMicrobiologyin1992,wearededicatedtomultidis-ciplinaryresearch.Toanswerourquestionsweperformseagoingexpeditionsonre-searchvessels,experimentswithmodelsystemsinthelaboratory,andexperimentsonsinglecells.Becauseasingleinstitutecannotcovertheentirefieldofmarinemi-crobiologywecooperatewithnationalandinternationalpartnerinstitutions.Thisbro-churehopestoprovideyouwithinsightsintoourareasofresearch.Wewouldbepleasedtohaveraisedyourinterestinoneortheotherofourworkingareas.

Managing DirectorProf. Dr. Friedrich Widdel

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The Max Planck Institute for Marine Microbiology

Theyareinconspicuousyetomnipresent,onlyafewthousandthsofamillimeterinsizeandyettherealrulersoftheworld,theyliveundergroundyetinfluencetheglobalclimaterightuptotheupperlayersoftheEarth’satmosphere:‘They’arethemicroor-ganismsintheoceans.AttheMaxPlanckInstituteforMarineMicrobiologyinBremen‘they’arethefocusofourresearch.Ourscientistsaimtofindoutaboutthepotentialofthesemicro-organismsandwhattheirimpactis.Themarinemicrobesliveincloseassociationwiththeglobalcyclesoftheelementscarbon,sulfur,nitrogen,andiron.Bytheirsheernumber,theyinfluencenotonlythechemistryoftheoceansbutultimatelyalsoourcli-mate.Inthequestofthemissingsourcesandsinksfornutrientsthemarinescientistsstudytheinfluenceofimportantmicrobialreactionstothenutrientcyclesintheocean,e.g.theanaerobicoxidationofmethane(AOM),theanaerobicammoniumoxida-tion(anammox),andsulfatereduction,amongothers.Yet,ourinstitute‘sresearchencompassesmuchmorethanthis:Ourscientificstaffalsosearchesfornew,hithertounknownme-tabolicpathways.Inaddition,theystudythemarinehabitatsofthesetinyorganisms,becausethereishardlyanyplaceintheoceanwheretheycannotbefound:Theyoccurinalllayersofthewatercolumnandinthesedimentoftheoceans,andalsoassymbiontsinsponges,coralsandmolluscs.Themarinesci-entistsalsotrytofindouthowthemicrobialorganismsareadaptedtotheirenvironmentandhowtheyreacttochanges

liketheongoingclimatechangetakingplacetoday.Besidestheglobalcontextourmicrobiologistsendeavortoisolateandcultivatenewmicrobialspecies,becauseonlyonespeciesinahundredhasbeenidentifiedsofar.TheresearchstaffattheMPIinBremenalsostudytheuniqueandfascinatingcharacteristicsofsinglespecies,suchastheabilityoflargesulfurbacteriaanddia-tomstostorenitrateanduseitasenergysourceunderoxygen-freeconditions.Althoughmicrobesaresmall,surprisinglymanytools

areneededtodrawtheirsecretsoutofthem.Besidestheclassi-calequipmentofmicrobiology,namelythemicroscopeandPetridish,macro-toolsarealsoneeded,includingresearchships,deep-searobots,andspectroscopes.Theefforttostudythemi-

Research vessel HEINCKE (AWI)

What we know is a drop; what we don’t know is an ocean. Isaac Newton

And what we know about oceans is a drop.

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croorganismsisfarfromminimal:Thescientistsspendweeksonresearchcruises,performminutelyplannedexperiments,evalu-ate,readandwritescientificpublications,andattendconfer-ences.Engineersandtechniciansconstantlydevelopmeasur-ingdevicesandbuildthem.TheITdepartment,thelibrary,andmanymoredepartmentsoftheinstituteprovidetheirservicestoscientistssothattheycandotheirworkproperly.Theeffortisworthwhile:ThescientistsoftheMaxPlanckInstituteforMarineMicrobiologyfrequentlypublishtheirresultsinpeer-reviewedjournals,andarewelcomespeakersatinternationalconferences.Muchadoaboutmicrobialnothings?Onlyinthiswaycanwealllearntounderstandtheworldbetter–piecebypiece.Andonlyinthiswaycanscientistsmaintaintheirbasicresearchatthehighestpossiblelevel.

TheMaxPlanckInstituteforMarineMicrobiologywasofficiallyfoundedJuly1,1992,almostayearafteritscounterpart,theMaxPlanckInstituteforTerrestrialMicrobiologyinMarburg.Theinsti-tutemovedintoitspresent-daypremisesintheTechnologyParkattheUniversityofBremenin1996;itspresentneighborsin-cludetheUniversumScienceCenter,MARUM–theCenterforMarineEnvironmentalSciencesattheUniversityofBremen,andtheCenterforTropicalMarineEcology(ZMT).TheMPIforMa-rineMicrobiology,withitsthreeDepartmentsofBiogeochemis-try,MicrobiologyandMolecularEcologyandthreeMaxPlanckResearchGroups,isoneoftheworld’sleadingmarineresearchinstitutes.

The Max Planck Institute – Some Figures

1 of80institutesoftheMaxPlanckSociety

3 departmentsand8researchgroups

58 scientificstaff

74 Ph.D.students,with68attheInternationalMaxPlanck ResearchSchoolMarMic

15 Master‘sstudents,with12attheInternationalMaxPlanck ResearchSchoolMarMic

60 employeesprovidingscientificandtechnicalservices

28 administrative/technicalstaff

34 nations

~200 peer-reviewedpublicationsayear(papersinjournals, booksandspecialistliterature)

13 patents/licensesfiledforregistration

A variety of microorganisms form differently colored layers in microbial mats.

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The cell of the giant sulfur bacteria Thiomargarita often occur in chains.

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Department of Microbiology

Microorganismsaretheworld’snaturalbiodegradationchemists,alsointhewater.TheDepartmentofMicrobiologyinvestigateshowandunderwhichconditionsthesebiochemicalprocessestakeplace.Italsoexploreshowthesereactionssustaintheglobalelementcyclesofcarbon,nitrogen,sulfurandiron.Beforeresearcherscanstudythemetabolicprocessesinaspeciesofbacteriumindetail,theyhavetoisolatethisspeciesfromothersinthesampleandgrowinapureculture.Togaininsightsintothephysiologicalandmetabolicfunctionofenvironmentalmicro-organisms,microbiologistsmakeincreasinguseofgenomeana-lyses,oftenincollaborationwiththeDepartmentofMolecularEcologyandtheMaxPlanckInstituteforMolecularGeneticsinBerlin.

Whatareyourcriteriaforthechoiceofstudysubjects,andwhichspeciesandmetabolicpathwaysdoyoustudy?

Wewanttolearnmoreaboutthemi-croorganismsandtheenzymaticreac-tionsunderlyingenvironmentalpro-cessesinaquatichabitatssuchasse-diments.Thisiswhywechooseresearchtopicsororganismsofglobalorenviron-mentalimportance.

Indoingso,wekeepoureyesopenfornewphenomena.

[email protected]://www.mpi-bremen.de/en/Department_of_Microbiology.html

Basen, M., M. Krüger, J. Milucka, J. Kuever, J. Kahnt, O. Grundmann, A. Meyerdierks, F. Widdel, S. Shima. 2011. Bacterial enzymes for dissimilatory sulfate reduction in a marine microbial mat (Black Sea) mediating anaerobic oxidation of methane. Environ. Microbiol. 13:1370-1379.

Zedelius, J., R. Rabus, O. Grundmann, I. Werner, D. Brodkorb, F. Schreiber, P. Ehrenreich, A. Behrends, H. Wilkes, M. Kube, R. Reinhardt, F. Widdel. 2011. Alkane degradation under anoxic conditions by a nitrate-reducing bacterium with possible involvement of the electron acceptor in substrate activation. Environ. Microbiol. Rep. 3:125-135.

Holler, T., G. Wegener, H. Niemann, C. Deusner, T.G. Ferdelman, A. Boetius, B. Brunner, F. Widdel. 2011. Carbon and sulfur back flux during anaerobic microbial oxidation of methane and coupled sulfate reduction. Proc. Natl. Acad. Sci. U.S.A. 108:20869-20870.

Prof. Dr. Friedrich Widdel,Managing Director and Head of the Department of Microbiology

Cyanobacteria: Chromatium- and Desulfonema species under the microscope

Fermenters for growing sulphur-oxidizing bacteria

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Ecophysiology Group

Theirmotivationiscuriosity,theirfieldofresearchisecophysi-ology.HeideSchulz-VogtandherEcophysiologyGroupanalyzetheinfluenceofsulfurbacteriaondifferentelementalcycles.OneimportantcharacterisThiomargarita,“thesulfurpearl”.

It’sbeenthirteenyearssincethebacteriumwiththemelodiousnamewasdiscoveredclosetotheNamibiancoast.Itiseasytorecognizeanditlookslikealong,whitestringofpearls.Withitssizeof100-300micronsindiameteritis600timesbiggerthanStreptococci–thebacteriathatcausepneumonia.Hence,Thio-margarita namibiensisisthebiggestknownbacterium.

BecauseThiomargaritabacteriacannotbecultivatedinthelab,theresearchgroupalsoworkswithcloserelatives:Beggiatoa.

Theymakeitpossiblefortheteamtofindouttherelation-shipbetweenbacteriaandthenitrogencycleontheonehand.Ontheotherhand,theycananalyzetheirimpactonthesulfurcycleandthephosphoruscycle.Thesecy-clesproceedinourenviron-menteveryday.Theyplayacrucialroleinthebalanceofnature.Ourgoalistounder-standhowbacteriainfluencetheseprocesses.

Whatdoesittaketobeagoodbiologist?

Mostimportant,agoodbiologistiscreative,imaginativeandhastheabilitytothinklogically.Acombinationoftheseskillsallowsthescientisttobesuccessfulinthisprofessionthatisatthesametimehighlyfascinatingandimportant.Certainconceptsofnatureareagreeduponinthescientificcommunity,butonlyscientificinvestigationcanunveilthetruth.Ultimately,itisim-portanttofityournovelobservationsintoanewconcept.Sothebiologistbecomesasortof“privateinvestigator”.

[email protected] · http://www.mpi-bremen.de/en/Ecophysiology_Group.html

Salman, V., R. Amann, A.-C. Girnth, L. Polerecky, J.V. Bailey, S. Høgslund, G. Jessen, S. Pantoja, H. N. Schulz-Vogt. 2011. A single-cell sequencing approach to the clas-sification of large, vacuolated sulfide-oxidizing bacteria. Syst. Appl. Microbiol. 34:243-259.

Brock, J., H.N. Schulz-Vogt. 2011. Sulfide induces phosphate release from poly-phosphate in cultures of a marine Beggiatoa strain. ISME J. 5:497-506.

Two different tubes (Ø 1.6 cm) with a culture of Beggiatoa filaments: The filaments choose to live at different depths in response to different conditions in the medium.

Thiomargarita namibiensis as seen in the light microscope: Many sulfur inclu-sions can be seen within the cells (Ø 0.3 mm).

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Prof. Dr. Heide Schulz-Vogt,Head of the Ecophysiology Group

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Department of Biogeochemistry

ResearchintheDepartmentofBiogeochemistryaddressesthemicrobialcyclingofbiolimitingelementsintheocean.Under-standingthepathways,interactionsandenvironmentalregula-tionofmicrobialprocessesthatcontroltheavailabilityofbio-limitingnutrientssuchasnitrogen,phosphorusandironintheoceanisimperativetopredicttheimpactthathumanactivitieswillhaveonthechemistryofouroceanandclimate.Weuseanarrayofbiogeochemical,microbiological,molecularandmathe-maticalmodelingtechniques.TheSecondaryIonMassSpec-trometrytechnology(NanoSIMS)thatweuseinourdepartmentcombinesexperimentswithstableisotopelabeledsubstratesandmolecularin situtechniquesonmicroscopepreparationsofenvironmentalsamples.Withthis“single-cell”researchwecanlinktheidentityofmicrobialcellsinacomplexmicrobialcom-munitytotheirin situnutrientincorporation,calculatecellularuptakeratesanddeterminenutrientfluxes.

Youandyourteamareinvestigatinghowbacteriaandarchaeainteractwithkeyprocessesinthenutrientcycle.Whatisyourstrategy?Expeditionstooceanenvironmentsofinterestareessentialinordertoobtainhighresolutionenvironmentaldata.Akeyexper-imentalapproachistouseisotopicallylabeledcompoundstoidentifyandtrackprocessesdowntosinglecells.Withamulti-ple-methodapproachwegreatlyimproveourabilitytoidentifyandquantifytheimpactofnewlydiscoveredmicrobialprocessesonthechemistryoftheEarth’soceanandatmosphere.

[email protected] www.mpi-bremen.de/en/Department_of_Biogeochemistry.html

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Prof. Dr. Marcel Kuypers,Director and Head of the Department of Biogeochemistry

Scientists set up the water sampling device onboard a research vessel.

NanoSIMS images of the cyano-bacterium Aphanizome-non sp. and its bacterial asso-ciates (left). The nitrogen fixing cell in the centre effectively passes the nitrogen to the adjacent cells so that a much lower nitrogen content is mea-surable in it (right).

Gao, H., M. Matyka, B. Liu, A. Khalili, J.E. Kostka, G. Collins, S. Jansen, M. Holtappels, M.M. Jensen, T.H. Badewien, M. Beck, M. Grunwald, D. de Beer, G. Lavik, M.M.M. Kuypers. 2012. Intensive and extensive nitrogen loss from inter-tidal permeable sediments of the Wadden Sea. Limnol. Oceanogr. 57:185-198.

Kalvelage, T., M.M. Jensen, S. Contreras, N.P. Revsbech, P. Lam, M. Günter, J. LaRoche, G. Lavik, M.M.M. Kuypers. 2011. Oxygen Sensitivity of Anammox and Coupled N-Cycle Processes in Oxygen Minimum Zones. PLoS ONE, 6, e29299.

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A microsensor compared to a human hair

Dr. Dirk de Beer,Head of the Microsensor Group

1/10 mm

Production and inspection of microsensors under the microscope

Microsensor Group

Alaboratoryworkshop:here,techniciansandengineersbuildsensorsinminutedetail.Thesensorsarejustfivemicronsthick–ameretenththethicknessofahumanhair.Theseelectrochemi-calsensorsmeasuretheconcentrationsofoxygen,hydrogensulfide,nitrogencompoundsorothersubstances.TheyoperateintheWaddenSeaandindeepseasedimentsupto6,000me-tersbelowthewatersurface,inbiofilmsandinmicrobialmats–every0.01to0.1millimetersandin situ.Suchdetailedin situreadingsprovidemicrobiologistswithdatathatcouldnotbeob-tainedfromsamplesremovedforlateranalysisinthelaboratory.Withthehelpofmicrosensors,thescientistspreciselyinvesti-gatewhichsubstancesthemicrobesconvertinwhichultra-thinlayer,howthemicrobesregulatedifferentelementcycles,andthushowtheyaffectthegeochemistry.Moleculartechniqueshelptoidentifythemostactivebacteria.DirkdeBeer,headoftheresearchgroup,andhisteamoftencooperatewiththeothergroupsanddepartments.

Youcouldbuymicrosensorsfromcommercialsuppliers.Whydoesyourresearchgroupdesignandbuilditsownmeasuringprobes?

Commerciallyavailablemicrosensorscostabout500Eurosandarenotalwaysidealforourpurposes.Ourtechnicalstaffbuildstheperfectsensors.Moreover,weoftenneedcomplexequip-mentlikeopticalsensors,so-calledoptodes,thatareabletomeasureoxygendistributionintwodimensionssimultaneously.Insuchcases,weworktogethertodevelopcompletelynewsensors.Themicrobiologistsinourgroupsaywhattheywanttomeasure,thephysicistsandchemistsexploretheboundariesofwhatisfeasibleandthenourengineersbuildthesensorandop-timizeit.Thiskindofapplieddevelopmentisthelogicalwayforustowork.Ithasalsoresultedinapatent,licenseagreementsandknow-howtransfer.

[email protected] · http://www.mpi-bremen.de/en/Microsensor_Group.html

de Beer, D., A. Bissett, R. de Wit, H. Jonkers, S. Köhler-Rink, H. Nam, B.H. Kim, G. Eickert, M. Grinstain. 2008. A microsensor for carbonate ions suitable for microprofiling in freshwater and saline environments. Limnol. Oceanogr. Methods 6:532-541.

Polerecky, L., U. Franke, U. Werner, B. Grunwald, D. de Beer. 2005. High spatial resolution measurement of oxygen consumption rates in permeable sediments. Limnol. Oceanogr. Methods 3:75-85.

Schreiber, F., L. Polerecky, D. de Beer. 2008. Nitric oxide microsensor for high spatial resolution measurements in biofilms and sediments. Anal. Chem. 80:1152-1158.

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Department of Molecular Ecology

Toprotectsomething,onehastounderstandit.Scientistsesti-matethatonlyoneinahundredspeciesisknown,especiallybe-causemostmicrobescannotbecultivatedandthereforecannotbestudied.TheDepartmentofMolecularEcologyidentifiesma-rinemicroorganismsonthebasisoftheirnucleicacidswiththehelpofnucleicacidprobes.Usingadditionalmolecularbiologi-calmethods,scientistsdetectspecificgenesinenvironmentalsamplesandanalyzewhen,whyandinwhatwaybacterialpo-pulationsbehaveataparticularlocation,andforwhichbiogeo-chemicalprocessesthemicrobesareresponsible.Inthisway,thestaffinthedepartmentheadedbyRudolfAmanntrytounveilwhichenzymesandmicroorganismsplayaroleintheanaerobicoxidationofmethaneortheaerobicdegradationofalgalpoly-mers.Moreover,locationswithahighlevelofbiodiversityareofspecialinterest,forexampletheWaddenSea,wheremanythousandsofdifferentmicrobespeciescanbefoundinasinglecubiccentimeter.

Yourdepartmentdiscovers,describesandenumeratesbiodiversity.Doyoualsodevelopyourownmethodsforthis?

Inmostcases,yes.Wearealwaysdevelopingin-novativetechniques,eventhoughoneortheothermayproveinretrospecttobeofnouse.‘Breadandbuttertechnologies’,meaningstandardme-thodssuchascomparativesequenceanalysisandfluorescencein situhybridization,orFISHforshort,sufficeforinitialcharacterizationofspecies.Wethenadaptandrefinethesemethodstothe

specificissuesweareexamining.OurCARD-FISHmethod,forexample,ismuchmoresensitive–thefluorescentcolorsignalisabouttentoahundredtimesstrongerthaninaconventionalFISHexperiment,andGeneFISHisarealcoolmethod.

[email protected]://www.mpi-bremen.de/en/Department_of_Molecular_Ecology.html

Teeling, H., B.M. Fuchs, D. Becher, C. Klockow, A. Gardebrecht, C.M. Bennke, M. Kassabgy, S. Huang, A.J. Mann, J. Waldmann, M. Weber, A. Klindworth, A. Otto, J. Lange, J. Bernhardt, C. Reinsch, M. Hecker, J. Peplies, F.D. Bockelmann, U. Callies, G. Gerdts, A. Wichels, K.H. Wiltshire, F.O. Glöckner, T. Schweder, R. Amann. 2012. Substrate-controlled succession of marine bacterioplankton populations induced by a phytoplankton bloom. Science 336:608-611.

Moraru, C., P. Lam, B. Fuchs, M. Kuypers, R. Amann. 2010. GeneFISH – an in situ technique for linking gene presence and cell identity in environmental microorgan-isms. Environ. Microbiol. 12:3057-3073.

Prof. Dr. Rudolf Amann,Director and Head of the Department of Molecular Ecology

FISH analysis of a water sample from the North Atlantic near Iceland. Only the part of the organic carbon not miner-alized by bacteria is buried in the sediments. Flavobacteria shown here in green prefer the algae Phaeocystis.

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Prof. Dr. Frank Oliver Glöckner,Head of the Microbial Genomics & Bioinformatics Research Group

Integration of different parameters – the key to ecosystems biology

Microbial Genomics & Bioinformatics Resarch Group

Overthelastdecade,greattechnologicalandscientificadvanc-eshaveallowedresearcherstoroutinelyexaminethegenomewithindays.Analyzingthesequenceofagenomerevealsmuchofthesurprisingbiologicalcapacitiesofbacteria.FrankOliverGlöckner’sgroupinvestigateshowbacteriarespondtoenviron-mentalchange.Theyfirstanalyzegenomicsequenceswitharangeofcomputationaltechniquesinanattempttounderstandthe‘lifestyle’andecologyofthebacteriaunderscrutiny.Theydeterminewhichcomponentsofthegenomeareactiveorre-pressedunderspecificconditionsandtrytoidentifytheirfunc-tion.Further,thegroupisdevelopingtechnologiesandstand-ardsthatintegrateanalysesofgenomicandenvironmentalda-tatopredicthowmicrobeshaveadaptedandwillrespondtochangingenvironmentalconditions.Thesheervarietyofbacte-riallifestylesandcapacitiesisagoldmineforbiotechnology.Understandingtheconsequencesandimplicationsofbacterialadaptationandresponsivenesstoenvironmentalcuesallowsscientiststobetteradvisepoliticiansandindustryleadersintheplanningofenvironmentalpolicyandevaluationofecologicalim-pact.Membersofthisgroupalsofoundedthespin-offcompanyRiboconGmbHin2005.Thecompanyprovidesknow-howandproductsforbiodiversityandgenomeanalysistocommercialenterprises.

Formanydecades,biologistshavebeenstudyingenvi-ronmentallyimportantbacteriawithoutaccesstotheirgeneticcode.WhatnewinsightsmaybederivedfromthenoveldisciplineofEcologicalGenomics?

Moderntechniquesingenomicanalysisrenderacom-prehensiveunderstandingofthebiologicalcapabilitiesencodedinbacterialgenomes.Ananalysisofthisgeneticinformationintegratedwithenvironmentaldatawillprovideun-precedentedinsightsintohowbothorganismsandeco-systemsfunction.

[email protected]://www.mpi-bremen.de/en/Microbial_Genomics_Group.html

Yilmaz, P., J.A. Gilbert, R. Knight, L. Amaral-Zettler, I. Karsch-Mizrachi, G. Cochrane, Y. Nakamura, S.A. Sansone, F.O. Glöckner, D. Field. 2011. The genomic standards consortium: bringing standards to life for microbial ecology. ISME J. 5:1565-1567.

Kottmann, R., I. Kostadinov, M.B. Duhaime, P.L. Buttigieg, P. Yilmaz, W. Hankeln, J. Waldmann, F.O. Glöckner. 2010. Megx.net: integrated database resource for marine ecological genomics. Nucleic Acids Res. 38:D391-D395.

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Symbiosis Group

Deepdownatthebottomoftheocean,farawayfromthesun’slight,uniquecommunitiesflourishandthriveathotsprings.Likeoasesinthedesertofthedeepsea,thesehydrothermalventsaredenselycolonizedbyanimalsthatliveinsymbiosiswithspe-cialbacteria.Thesesymbioticbacteriadonotusethesuntogainenergy–insteadtheyproducefoodfortheirhostsusinggeothermalenergyfromtheEarth’sinterior.NicoleDubilierandherSymbiosisGroupstudythediversityandevolutionofthesesymbioticassociations.Theycertainlyhaveenoughsamples.Over200hydrothermalventshavealreadybeenfound,withmanymoreyettobediscovered.TheseventsarefoundworldwidewheretheEarth’splatesarespreadingapart,causingex-tremelyhotfluidstorisetotheseafloorandmixwiththesur-

roundingcolddeep-seawa-ters.Thisisexactlytheenvi-ronmentthesymbiontsneedtogainenergyforthemselvesandtheirhosts.

Arethesesymbiosesalsofoundinotherenvironments?

Thediscoveryofthesesym-biosesinthedeepsealeadscientiststolookfortheminotherenvironmentswherereducingchemicalsmixwithoxidizedseawater.Wenowknowthatthesesymbiosesoccurworldwideinawiderangeofanimalspeciesinenvironmentsasdiverseascoralreefsandsandseagrassbeds,andwearecon-tinuouslydiscoveringnew

symbioticassociations.Insomesymbioses,thebacteriaaresuchefficientfoodprovidersthattheirhostscouldaffordtore-ducetheirdigestivesystemandnolongerhaveamouthorgut.

[email protected] · http://www.mpi-bremen.de/en/Symbiosis_Group.html

Petersen, J.M., F.U. Zielinski, T. Pape, R. Seifert, C. Moraru, R. Amann, S. Hourdez, P.R. Girguis, S.D. Wankel, V. Barbe, E. Pelletier, D. Fink, C. Borowski, W. Bach, N. Dubilier. 2011. Hydrogen is an energy source for hydrothermal vent symbioses. Nature 476:176-180.

Dubilier, N., C. Bergin, C. Lott. 2008. Symbiotic diversity in marine animals: the art of harnessing chemosynthesis. Nat. Rev. Microbiol. 6:725-740.

The deep-sea mussel Bathymodiolus dominates the biomass at hydrothermal vents on the Mid-Atlantic Ridge. It has two types of bacterial symbionts that co-occur in the mussel’s gills, one that uses sulfide and the other methane as an energy source.

Prof. Dr. Nicole Dubilier,Head of the Symbiosis Group

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Max Planck Research Group for Microbial Fitness

Microorganismsareourplanet’sgreatestchemists.Almosteverychemicalreactionthatisthermodynamicallyfeasibleisexploitedbytheseorganismstosustainsurvival.Together,theactionsofmicrobescomprisethebiogeochemicalelementcycles,avastlycomplicatedmetabolicnetworkthatisthebasisofalllife.Itiscurrentlyestimatedthatthereareapproximately1030ofthese“greatchemists”onplanetEarth.Thenumberofstarsinouruni-verseappearsratherlowincomparison,at1023.Butwhataretheselectioncriteriaformicroorganisms?Whichenvironmentalconditionsdeterminewhethermicroorganismssucceedinevolutionornot?ThesearetheresearchquestionsoftheMicrobialFitnessGroupheadedbyMarcStrous.

Theexperimentaldesigntoaddressthesequestionsstartswiththesamplingofmicrobialcommunitiesinthenaturalenviron-ment.Theobtainedsamplesareincubatedinlaboratorybiore-actorsunderdifferentenvironmentalconditionstostimulatena-turalselection,asCharlesDarwinwouldsay.Usinghighlysen-sitivetemperaturemeasurementsthescientistscantrackthethermodynamicefficienciesofthecompetingmicroorganisms.Metagenomicanalysesreflectthetotalgeneticinformationofthemicroorganisms.Withbioinformaticmethodslikemetagenomeanalysesitisnowpossibletoreconstructpartsofgenomesorevencompletegenomesofsinglemicroorganisms.

Whatwasyourinitialideatocombinemetagenomicswithhighlysensitivetemperaturemeasurements?

Metagenomicsisamostsuccessful,moderntechnique,andcombiningitwithhighlysensitivetemperaturemeasurementsisapioneeringeffort.Recenttechnicalprogresscreatesthepos-sibilityofhigh-resolutiontemperaturemeasurements.Thelowertheheatproductionofamicrobialcommunity,thehigheritsproductivity.“Imagineyouignite1,000,000candles”,saysMarcStrous,“you‘llnoticethechangeintemperaturewhenoneofthecandlesgoesout.”

[email protected] · http://www.mpi-bremen.de/en/Microbial_Fitness.html

Kraft, B., M. Strous, H.E. Tegetmeyer. 2011. Microbial nitrate respiration – genes, enzymes and environmental distribution. J. Biotechnol. 155:104-117.

Kartal, B., W.J. Maalcke, N.M. de Almeida, I. Cirpus, J. Gloerich, W. Geerts, H.J.M. Op den Camp, H.R. Harhangi, E.M. Janssen-Megens, K.-J. Francoijs, H.G. Stunnenberg, J.T. Keltjens, M.S.M. Jetten, M. Strous. 2011. Molecular mechanism of anaerobic ammonium oxidation. Nature 479:127-130.

Prof. Dr. Marc Strous,Head of the Max Planck Research Group for Microbial Fitness

In the bioreactors bacterial cul-tures from the Wadden Sea are exposed to different cultivation condititons.

Controlling a microbial DNA extract from the Wadden Sea sediment

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HGF MPG Deep-Sea Ecology and Technology Group

Since2009,thejointgroupoftheHelmholtzAssociationandtheMaxPlanckSocietycomprisestheformerworkinggroup‘Micro-bialHabitats’oftheMaxPlanckInstituteforMarineMicrobiologyandtheDeepSeaResearchGroupoftheAlfredWegenerInsti-tuteforPolarandMarineResearch(AWI).Thescientistsstudythebiodiversityandfunctionofmicrobialcommunitiesinhabitingcoralreefs,hydrothermalvents,mudvolcanoes,anoxicbasins,deep-seatrenches,gashydrates,andoilseeps.

Thebiological,geological,andphysicalconditionsinthesehabi-tatsdifferstronglyandshowsubstantialtemporalandspatialvariations.Otherfocioftheresearchgrouparethemonitoringofoxygendepletionanditsimplicationsforaquaticsystems(http://www.hypox.net).Moreover,ourgroupinvestigatestheoceanacidificationcausedbytheincreasingcarbondioxide

concentrationintheatmo-sphereanditsenvironmentalconsequences.TimeseriesmeasurementsofglobalchangeeffectsareenabledbyAWI‘slong-termobserva-tory‘Hausgaten’intheFram-Strait.ItisimportanttotracetheconsequencesoftheArcticwarmingforthebiogeochemicalprocessesandlifeintheoceanbecauseespeciallytheArcticoceanispresentlysubjecttostrongclimaticchanges(http://www.awi.de/en/research/deep_sea/).

[email protected] · http://www.mpi-bremen.de/en/Habitat_group.html

Felden, J., F. Wenzhöfer, T. Feseker, A. Boetius. 2010. Transport and consumption of oxygen and methane in different habitats of the Håkon Mosby Mud Volcano. Limnol. Oceanogr. 55:2366-2380.

Bienhold, C., A. Boetius, A. Ramette. 2011. The energy-diversity relationship of complex bacterial communities in Arctic deep-sea sediments. ISME J. 6:724-732.

Zinger, L., L.A. Amaral-Zettler, J.A. Fuhrman, M.C. Horner-Devine, S.M. Huse, D.B.M. Welch, J.B.H. Martiny, M. Sogin, A. Boetius, A. Ramette. 2011. Global patterns of bacterial beta-diversity in seafloor and seawater ecosystems. PLoS ONE, 6, e24570.

Prof. Dr. Antje Boetius,Head of the HGF MPG Deep-Sea Ecology and Technology Group

Sampling of bacterial mats at an arctic mud volcano

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A symbiosis of methane-consuming archaea (red) and sulfate-reducing bacteria (green)

An autonomous instrument for in situmeasurements in the Arctic deep sea

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Max Planck Research Group for Marine Isotope Geochemistry

TheoceanplaysanimportantroleintheEarth’sclimatesystem.Theformationandtransportofwaterbydeepoceancurrents,thedownwellingandupwellingofwatermassesandthenutri-entsthereininfluenceourclimateandthusthehabitatsofallor-ganismsonourplanet.Yet,manyofthephysicalandchemicalprocessesintheoceanandtheirimpactonclimatearepoorlyunderstood.TheResearchGroupforMarineIsotopeGeochem-istrystudiesthecirculationofwatermassesandthetransportofsedimentswithintheocean.Forthatpurposetheytakepartinresearchcruisesacrosstheworld’soceansinpursuitofthechemicalfingerprintsthatallowthemtotracecurrentsandsedi-mentsbacktotheirorigin.KatharinaPahnkeandhercolleaguesalsofindthesechemicalfingerprints,so-called“tracers”infossilmarinesediments.ProbingsedimentsfromtheearlyhistoryofEarthprovidesinsightintochangesinoceancirculationandse-dimenttransportinthepast,andshowshowtheoceanswereinvolvedinpastclimatefluctuations.

Howwereadthepastfromdeepseasediments

ThescientistsoftheMarineIsotopeGeochemistryworkinggroupusetheradiogenicisotopesofnaturallyoccurringele-mentsastracers,inparticularneodymium(Nd).Theisotopiccompositionofneodymiumisnotalteredbybiologicalorgeo-chemicalreactionsintheoceansasisthecaseforisotopesofmostotherelements.Hence,theisotopecompositionofneodymiumisanidealindicatorintheinvestigationandrecon-structionofpresent-dayandpastoceancirculation.Dissolvedneodymiumisboundiniron-manganeseoxidesthatprecipitatefromseawaterattheseafloor.Theseoxidesthereforepreservetheisotopic“fingerprint”ofthedeepwaters.Inthelaboratory,weseparatetheiron-manganeseoxidesfromthesedimentandalongwiththemtheneodymiumisotopes.Thenweanalyzetheisotoperatiowithaspecialmassspectrometer.

[email protected]://www.mpi-bremen.de/en/Marine_Isotope_Geochemistry.html

Charles, C., K. Pahnke, R. Zahn, P.G. Mortyn, U. Ninnemann, D.A. Hodell. 2010. Millennial scale evolution of the Southern Ocean chemical divide. Quaternary Sci. Rev. 29:399-409.

Pahnke, K., S.L. Goldstein, S. Hemming. 2008. Abrupt changes in Antarctic Inter-mediate Water circulation over the past 25,000 years. Nat. Geosci. 1:870-874.

Pahnke, K., R. Zahn. 2005. Southern Hemisphere water mass conversion linked with North Atlantic climate variability. Science 307:1741-1746.

Sampling off the coast of Oahu, Hawaii

Sediment cores from the South Pacific

Dr. Katharina Pahnke,Head of the Max Planck Research Group for Marine Isotope Geochemistry

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Max Planck Research Group for Marine Geochemistry

TheMaxPlanckResearchGroupforMarineGeochemistryattheInstituteforChemistryandBiologyoftheMarineEnvironment(ICBM,UniversityofOldenburg)studiesdissolvedorganicmatter(DOM)intheocean.Theoceanisoneofthelargestcarbonre-servoirsonEarth.Dissolvedorganicmatteralonecontainsasi-milaramountofcarbonasalllivingbiomassintheoceanandonlandcombined.Eventhoughmarinedissolvedorganicmatterismainlyofmicrobialorigin,itsturnoverintheoceanisremarkablyslow.Dissolvedorganicmatterhasaccumulatedintheoceanoverthousandsofyears,andthecontrollingmechanismsbehinditsturnoverandcyclingarelargelyunknown.Advancedmolecu-lartechniques,inparticularultrahigh-resolutionmassspectrom-etry,areusedintheresearchgrouptoobtainanswerstothefundamentalquestionsregardingthecyclingoforganicmatterintheoceans.

Whydoyouneedultrahigh-resolutionmassspectrometryforyourresearch?

Itisthemostpowerfultechniquetomolecularlycharacterizecomplexorganicmixtures,suchasDOM,petroleumorhumicsubstances,whosecompositionisstilllargelyunknown.Wecandeterminethemassofanindividualmoleculewithaprecisionofoneten-thousandthofaDalton,whichislessthanthemassofanelectron.Thislevelofprecisionisrequiredtoidentifyindivid-ualmoleculesinseawater.Thereareonlyfiveofthesepowerfulmassspectrometersintheentireworld.

YourresearchgroupislocatedinOldenburg.HowisthecooperationwiththeICBM?

Thislocationisidealforus,mainlybecauseofthegeo-chemicalexpertiseattheICBM.Wehaveestablishedexcellentcooperationwiththegeochemistryandmicro-biologygroupsoftheICBM.Viatheintranet,weareinapermanentcontactwiththeMaxPlanckInstituteanditisjustanhour’sdriveaway.

[email protected]://www.mpi-bremen.de/en/Marine_Geochemistry_Group.html

Dittmar, T., J. Paeng. 2009. A heat-induced molecular signature in marine dissolved organic matter. Nat. Geosci. 2:175-179.

Dittmar, T., N. Hertkorn, G. Kattner, R.J. Lara. 2006. Mangroves, a major source of dissolved organic carbon to the oceans. Global Biogeochem. Cycles 20, GB1012.

Dr. Thorsten Dittmar,Head of the Max Planck Research Group for Marine Geochemistry

Sea ice in the Arctic Wed-dell Sea. More than 1,000 meters of water lies below the scientists and the emperor penguins. At this station dis-solved organic material was sampled in and under the ice.

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Modern mass spectrometer for the precise determination of in-dividual molecules in seawater

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Teaching and Studying

TheMaxPlanckInstituteforMarineMicrobiologyisnotonlyacenterforresearch,butalsoforteachingandstudying.Today’smarinescientistseducatetomorrow’sinmanydifferentfields.Forexample,someofthescientistsattheMaxPlanckInstitutearelecturersattheUniversityofBremenintheDepartmentsofBiologyandGeosciences,andattheJacobsUniversityinBre-men(DepartmentofBioinformatics&ComputationalBiology).TheyalsojoinintheMaster’sprogramInternationalStudiesinAquaticTropicalEcology(ISATEC)thattheUniversityofBremenoffersincooperationwiththeLeibnizCenterforTropicalMarineEcology.

International Max Planck Research School of Marine Microbiology – MarMicThejointM.Sc.andPh.D.programoftheInternationalMaxPlanckResearchSchoolofMarineMicrobiology,MarMic,foundedin2002,issynonymouswithexcellenceingraduateadvancement:young,highlytalentedstudentsstudywithscien-tistsofinternationalreputeattheMaxPlanckInstituteforMarineMicrobiology,theAlfredWegenerInstituteforPolarandMarineResearch,theUniversityofBremen,andtheJacobsUniversity.Eachyear,asmanyastwelveselectedstudentsembarkonatwelve-monthtrainingcoursecomprisedoflectures,tutorialsandinternships.TheythenwritetheirMaster’sthesisandenterthethree-yeardoctoratephase.OncetheyhavecompletedtheirPh.D.,MarMicgraduatesbecomeanewgenerationofmarinescientists.Havingreceivedinterdisciplinarytraining,theygoontoconductresearchintomicrobiallifeanditsimpactsonthebiosphere.www.marmic.mpg.de

The MPI as a Training Center for Chemical LaboratoryTechniciansForseveralyearsnow,theMaxPlanckInstituteinBremenhasbeentraininghighschoolgraduatesaschemicallaboratorytech-nicians.Afterbasicpracticaltraininglastingtwotothreemonths,heldatthefacilitiesoftheUniversityofBremen,thetraieespassthroughvariousdifferentresearchgroupswithintheinstitute.Likethechemicallaboratorytechnicians,theymainlyworkinthelab,wheretheirtasksincludeweighingoutsamples,cleaningsubstances,conductingroutineexperiments,andorganizingworkflows.Throughouttheirtraining,whichlaststhreeandahalfyearsintotal,theprospectivelaboratorytechniciansspendtwodaysaweekattheSIIUtbremenEducationCenter,wheretheyaretaughtchemistry,equipmenttechnology,laboratorysafetyandothersubjects.TheMPIrecruitsonetraineeayear.www.chemie.uni-bremen.de/azubis/Laborantenseite.htm

MarMic students take sedi-ment samples within an algae patch in the Wadden Sea.

Starting microbial cultures, taking samples and perform-ing analyses are just some of the many daily tasks for prospective marine biologists.

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Spin-off: Ribocon GmbH

Cutting-EdgeBioinformaticsforIndustryandScience

MaxPlanckInstitutesencounterunexploredfieldsandgenerateanumberofinnovativemethodsandsolutionsduringtheirre-search.Thisknow-howisofmajorinterestandleadstosuccess-fulcooperationbetweenscienceandindustry.ScientistsfromtheMicrobialGenomicsGroupfoundedthecompany“Ribocon”togetherwiththegroupleader,Prof.Dr.FrankOliverGlöckner,andanexternalexpertforfinancesin2005.

Riboconfocusesontheanalysisofgeneticinformation(DNAse-quences)inmicrobiology.Thisfield,designatedasbioinformat-ics,rangesfromtheutilizationofselectedmarkergenestotheinvestigationofcompletegenomes(thefullgeneticinformationofanorganism)andisgainingimportanceattremendousspeed.Whilejustafewyearsago,theHumanGenomeProjectwasstartedasalong-termventure,todayanimmenseamountofge-neticdatacanbeproducedhighlycostefficientlyinaveryshorttime.However,therawdataprovidedbytheDNAsequencingfacilitiesrepresentmerelythestartingpointonthepathtobio-logicalknowledge.

ThefloodofDNAdatathatcomeswithmoderntechnologiesre-presentsatremendouschallengefortheusersofthisyoungbuthighlyrelevantfield.Toanalyzethedata,expertknowledgeandpowerfulcomputersystemsarerequired.Atthispoint,RiboconoffersprofessionalservicesandsupportintowhichtheRibocon

teammembersbringexperiencefromtheirpreviousworkattheMPI:in2002theywerethefirsttoanalyzethegenomeofabacteriumisolatedfromanenvironmentalsample.

RiboconGmbHiscontinuouslydevelopingsolutionsforDNAsequenceanalysisandofferscor-respondingservicesandproducts.Thecustomersoriginateinequalpartsfrombasicresearch,(routine)diagnostics,andthewidedisciplineofbiotechnology.Inaddition,theRiboconteamisinvolvedinsci-entificprojectsrelatingtoappliedresearchorrequiringextensiveknowledgetransfer.

Contact: Dr. Jörg Peplies · [email protected] · www.ribocon.comTraining and education by Ribocon staff

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Fascinated ScientistsWhatisfascinatingaboutyourscience?Insedimentsandsoilsavastarrayofchemicalprocessesaretakingplace,manyofwhicharecatalysedbymicroorganisms.Thediversityofthesemicrobesandtheiraffinityforthediffer-entsubstratesoftenisamazing.Iamparticu-larlyinterestedintheroleofironinsediments.Ironinteractswithothermajorglobalbiogeo-chemicalcycles,suchascarbon,sulfur,nitro-gen,andoxygen,anditsredoxstatedeter-minestheretentionorreleaseof(micro)nutri-ents.Sinceironisoftenpresentassolidphases,microorganismsneedtousespecialstrategiestoutilizeiron.Abetterunderstand-ingoftherolethatmicroorganismsplayinsed-imentsisvitalforimprovingourknowledgeoftheseecosystems,alsowithrespecttoele-mentrecyclingandecosystemsustainability.Dr. Jeanine Geelhoed, Scientist, Microbial Fitness Group

Onemillionbacterialiveinonemilli-literofseawater.However,wedonotalwaysknowwhattheyliveon,sincetheirfood–dissolvedorganicmatter–isratherscarceintheopenocean.Iamfascinatedbythesefrugal(oligotrophic)bacteriaandhowtheycansurviveandevenmul-tiplyunderthoseextremelylimitedconditions.InmystudiesIcombinetraditionalcultivationmethodswithmoderntechniqueslikegenomesequencing.Dr. Anne Schwedt, Scientist, Ecophysiology Group

AsayoungstudentIbecamefascinatedwiththechemistryofnaturalwaters,andIsoonrealizedhowimportantthebiologicalandchemicalprocessesintheseafloorareinregulatingthecompositionoftheseawater.Actinglikeahugefilter,thisenor-mous,andreactive,reservoiraffectstheseawatercompositionintimescalesoftenstomillionsofyears.Whenwestudythechemistryandmicrobiologyofoursedimentsampleswehavetothinkintermsoftheselargegeologicaltimeandspacescales.Tim Ferdelman, PhD, Scientist, Department of Biogeochemistry

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A scientist on deck of a research ship prepares a sampling device for deep sea employment.

Sampling in the Wadden Sea

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The technical staff in the laboratories are needed in a variety of areas.

The sensitive measurement electronics are encased for protection inside a robust high-pressure cylinder.

No Science without Support Staff

Commerciallyavailablemeasuringapparatusandequipmentareoflittlehelpwhenitcomestonovelexperimentationmethodsandunusualresearchlocations.Whatcanbeboughtismodified;whatcannotbeboughtisdesignedandbuilt–intheinstitute’sown,wellequippedworkshopsforelectronicsandmechanics.Bothhavetheirseparatestaffandfacilities,buttheyworkto-gether.Themechanicsworkshop,forexample,constructspre-cisionequipmentandothermillimeter-scalecomponents;theelectronicsworkshopaddstheelectronics.Theelectronicsworkshopsalonehasdevelopedalmost200technicalmodulessincetheinstitutewasfounded,includingvariouskindsofelec-troniccontrolsystemsandanewkindofmeasurementtech-nologyusingopticalinsteadofchemicalsensors.

Topursuetheirresearch,scien-tistsarereliantnotonlyontheworkshops,butalsoonother

supportstaff,forexamplethecomputerspecialistsinthe

computingdepartment,andthethreestaffmembersresponsibleforbuilding

servicesengineering,whoperformdailymaintenanceon

theventilation,cooling,firealarm,accesscontrolandothertechnical

systems,remedyorrepairminorfaultsthemselves,andcallinspecializedfirms

todealwithmajorproblemsandcomplexprojects.TheMaxPlanckInstituteforMa-rineMicrobiologyalsohasanexcellent

librarywithnumerousbooks,journals,dailynewspapersanditsownlibrarian.Thereare

alsoseveraladministrativestaffwhohandlethebookkeeping,humanresourcesmanagementandtheprocurementofofficeandlaboratoryequipment.

Toensurethatthescientificstaffdonotjustpublishinspecialistmagazinesandjournalsanddeliverpresentationsatconferen-ces,thepressdepartmentinformsthegeneralpublicabouttheresearchbeingconductedandthemainfindingsobtained–byissuingpressstatements,conductingguidedtoursoftheinsti-tute,publishinginformationmaterialandorganizingvariouscam-paigns,forexampleontheannualGirls’Dayorothernationwideinitiatives.

Designed and built in the MPI workshops: a highly adjustable motor drive controls the raising and lowering of the sensi-tive microsensors into the sediment layer.

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Max Planck

The Max Planck Society

TheMaxPlanckSocietyfortheAdvancementofScienceisaresearchorganizationrichintraditionsyetalsoatthecuttingedgeofresearch.Fordecades,usingmethodsandequipmentthatarecontinuouslybeingimprovedandadvanced,thesocietyexploreswhat‘holdstheworldtogetherinitsinnermostbeing’(J.W.Goethe).Thisbasicresearchalsoestablishesthebasisfornoveltherapiesandtechnologies.‘Insightmustpre-cedeapplication’isabasicprincipleofthesocietyandwascoinedbyMaxPlanck(1858-1947),thephysicistandNobellaureateafterwhomthesocietyisnamed.

Aco-founderofquantumtheory,Planckchanneledallhiseffortsintobasicresearchandfoughtforthefreedomofscience–astheMaxPlanckSocietycontinuestodotothisday.Thecurrentpresident,Prof.PeterGruss,oncewrote:‘Thepointistonetworkresearchworldwide,withoutsurrenderingthediver-sitythatexists.Thescientificcommunitymustpreserveitsfree-domtochooseitsowntopicsandsetitsowngoals.’Thisisalsoaclearexpressionoftheorganization’smission:tocomplementtheworkdoneatuniversitiesandotherresearchestablishmentswithitsrangeoflifesciences,naturalsciencesandhumanities,andtomakeknowledgefreelyaccessible.Thereare80MaxPlanckInstitutesinGermany,organizedintothreemainsections:theBiologyandMedicineSection,theChemistry,PhysicsandTechnologySection,andtheHuman-itiesSection.Additionalresearchinstitutesandseveralsubsidiaryofficesarelocatedinothercountries.TheMaxPlanckSocietyemploysmorethan13,000peopleintotal,ofwhomoneinthreeisasci-entist.Theyarejoinedbymorethan7,000studentsandguestscientistswhostudyandresearchattheinstitutes.Conversely,scientistsfromtheMaxPlanckInstitutesareinvitedasgueststootherresearchestablishmentsallovertheworld.

TheMaxPlanckSocietyenjoysanexcellentreputationatbothnationalandinternationallevels,notleastbecauseithaspro-duced17Nobellaureatestodate–twomorethanitsprede-cessor,theKaiser-Wilhelm-Gesellschaft,establishedin1911.Thelatterwasmuchrespectedworldwide,butaftertheSecondWorldWaritwasimperativethatafreshstartalsobemadeinGermanscienceandresearch.Tothisend,theMaxPlanckSo-cietyfortheAdvancementofSciencewasfoundedonFebruary26,1948.Althoughitwasmainlyfinancedwithpublicfundingfromthefederalandstategovernments,itisnotastateinstitu-tion,butanon-profitandindependentorganization.

NobellaureatesfromtheMaxPlanckSociety

2007 Gerhard Ertl (Chemistry)

2005 Theodor W. Hänsch (Physics)

1995 Paul J. Crutzen (Chemistry)

1995 Christiane Nüsslein- Volhard (Medicine)

1991 Erwin Neher (Medicine)

1991 Bert Sakmann (Medicine)

1988 Johann Deisenhofer (Chemistry)

1988 Robert Huber (Chemistry)

1988 Hartmut Michel (Chemistry)

1986 Ernst Ruska (Physics)

1985 Klaus von Klitzing (Physics)

1984 Georges Köhler (Medicine)

1973 Konrad Lorenz (Medicine)

1967 Manfred Eigen (Chemistry)

1964 Feodor Lynen (Medicine)

1963 Karl Ziegler (Chemistry)

1954 Walther Bothe (Physics)

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www.awi-bremerhaven.de

www.hausderwissenschaft.de

www.jacobs-university.de

www.uni-bremen.de

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Cooperation Partners

http://geomicrobiology.au.dk/

www.uni-oldenburg.de

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University

Hotel Munte

Exit Horn-Lehe,University

HamburgHannoverOsnabrück

James-Watt-Str.

Universitätsallee

Wie

ner S

tr.

A27

Stadtwald

A27

Universum

Bibl

ioth

ekst

r.

Fahrenheitstr.

Achterstr.

Spittaler Str.Autobahnzubringer

Universität

Fallturm

Hochschulring

Wie

ner S

tr.

Atlantic Hotel

Leob

ener

Str.

Kuhg

rabe

nweg

Findorff / Walle

Bremerhaven

Horn

Hochschulring

City / Central Train Station

MPI

From Airport and Central Train Station:Tram to University, Bibliothekstraße

Celsiusstr.

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MPI

Tram

Bus

Howtogettous:

Bus-andtramstops ❺ University / Klagenfurter Str. ❽ Linzer Straße❶ Celsiusstraße ❸ University / NW1 ❻ Lise-Meitner-Straße ❾ Spittaler Straße❷ Wiener Straße ❹ University / Zentralbereich ❼ Berufsbildungswerk ❿ Kremser Straße

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Max Planck Institutefor Marine MicrobiologyCelsiusstraße1·D-28359Bremen

Contact:Phone: +49(0)4212028-50Fax: +49(0)4212028-580Internet:www.mpi-bremen.deE-Mail: [email protected]

Press spokesman:Dr.ManfredSchlösserPhone: +49(0)4212028-704Fax: +49(0)4212028-790E-Mail: [email protected]