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Maja Rupnik, University of Maribor, Slovenia What can we learn from microbes? http://obc2012.outofthebox.si/
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What can we learn from microbes?
prof. dr. Maja Rupnik
Maribor, Slovenia
Institute of Public
Health Maribor
Medical Faculty
University of Maribor
Same patterns everywhere
Microbiologist’s perspective
bacteria viruses fungi algae parasites
Microorganisms – small but important
Microorganisms – small but important
Microorganisms – small but important
Microorganisms – small but important
Life on Earth depends on microorganisms
The meaning of life of a microorganism
food
The meaning of life of an microorganism
food
• how advances in microbiology have/will
improve quality of our life
• what can we learn when observing
microorganisms – parallels between micro and
macro world
Problems in paradise?
food
Heterogeneity is good
• cooperation
• comunication
• tolerance
• antagonism
low cell density high cell density
Quorum sensing - bacterial communication
critical
mass
reached
Quorum sensing - bacterial communication
• start producing toxins
(antibiotics)
• start to shine
• start degrading food
(food industry,…)
critical
mass
reached
Bacterial cooperation
and cheaters
Useful microbes
food
BIOREMEDIATION
toxic compound side products (WASTE)
Useful microbes
food
BIOREMEDIATION
toxic compound side products (WASTE)
ethanol, butanol
CO2
Microbes and humans
food
Interactions between humans and microbes are
different
beneficial microbes
normal microbiota
(skin, mucosal surfaces, gut)
harmful microbes
pathogens
infectious diseases
Gut microbiota
deep see ecosystems grass eating animals
Human gut microbiota
Immunity
protection from pathogens (gut and elsewhere)
allergies
Gut-brain axis
anxieties, depression, emotional behavior
Metabolism
obesity, metabolic disorders
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