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Pires & Dolan Mol. Biol. Evol. 2010
PIFs
HEC/IND
PREbHLH family
Carretero-Paulet et al. Plant Physiol. 2010
non DNA-binding bHLHs as regulators
Liljegren et al. Cell 2004
atypical bHLHs lack conserved glutamate residue in DBD
Gremski et al. Development 2007
HECATEs lack conserved glutamate
wild-type 35S:HEC2 35S:HEC3
Gremski et al. Development 2007
stigma/style defects in HEC mutants phenocopy spt
Gremski et al. Development 2007
HECs interact with SPT in Y2H
Carretero-Paulet et al. Plant Physiol. 2010
non DNA-binding bHLHs as regulators
Lee et al. Plant Cell Physiol. 2006
PRE proteins; PRE1 = PACLOBUTRAZOL RESISTANCE1
GA1 GA2
paclobutrazol
GA20 oxidasesGA3 oxidasesGA2 oxidases gibberellin pool
PRE overexpression triggers GA response
Lee et al. Plant Cell Physiol. 2006
GA1 GA2
paclobutrazol
GA20 oxidasesGA3 oxidasesGA2 oxidases gibberellin pool
PRE overexpression triggers GA response
Lee et al. Plant Cell Physiol. 2006
GA signaling constitutively
repressed
PRE overexpression triggers GA response
Lee et al. Plant Cell Physiol. 2006 Hyun et al. Plant Mol. Biol. 2006
PRE6/KIDARI overexpression affects light signaling
Hyun et al. Plant Mol. Biol. 2006
PRE6/KIDARI suppresses HFR1
Hyun et al. Plant Mol. Biol. 2006
Wang et al. Plant Cell 2009
PRE5/ATSB1 regulates BR response
PRE/BNQ may regulate DNA-binding bHLH activities
Mara et al. Plant Cell 2010
Loss of PRE/BNQ in flowers affects flower development
Mara et al. Plant Cell 2010
bnq3/pre4WT
Mara et al. Plant Cell 2010
PREs are regulated by floral ID genes (PRE=BNQ)
/PRE1/PRE2
/PRE4
Mara et al. Plant Cell 2010
Schlereth et al. Nature 2010
PRE3 is MP target (TMO) required for basal embryogenesis
Esmon et al. PNAS 2006
PRE2/BNQ2
SUBFAMILY XV: PRE GENES
AT5G39860
PRE1/BNQ1/ili1-D (PACLOBUTRAZOL-RESISTANCE1/BANQUO1/INCREASED LAMINA INCLINATION) bHLH136
Lee et al. Plant Cell Physiol 2006; Mara et al. Plant Cell 2010; Zhang et al. Plant Cell 2009
AT5G15160 PRE2/BNQ2 bHLH134Lee et al. Plant Cell Physiol 2006; Esmon et al. PNAS 2006
AT1G74500PRE3/TMO7/atbs1-D (TARGET OF MONOPTEROS7/AT-BRI1-SUPP) bHLH135
Lee et al. Plant Cell Physiol 2006; Schlereth et al. Nature 2010; Wang et al. Plant Cell 2009 MP/ARF5 target in embryos
AT3G47710 PRE4/BNQ3 bHLH161 Lee et al. Plant Cell Physiol 2006;
AT3G28857 PRE5 Lee et al. Plant Cell Physiol 2006;
AT1G26945 PRE6/KDR (KIDARI)Lee et al. Plant Cell Physiol 2006; Hyun & Lee Plant Mol Bio 2006
OTHER bHLHs
AT3G25710 TMO5 BHLH032 Schlereth et al. Nature 2010 MP/ARF5 target in embryos
SUBFAMILY VIIIb: HEC GENES
AT4G00120 EDA33/IND (INDEHISCENT) Liljegren et al. Cell 2004
AT5G67060 HEC1 (HECATE 1)
Gremski et al. Development 2006; Okushima et al. Plant Cell 2005 IAA-induction is ARF7-dependent
AT3G50330 HEC2 (HECATE 2) Gremski et al. Development 2006
AT5G09750 HEC3 (HECATE 3) Gremski et al. Development 2006
AT3G21330 bHLH family protein
RECENT bHLH REVIEWS/EVOLUTION
Pires & Dolan Mol. Biol. Evol. 2010
Carretero & Paulet Plant Phys. 2010 in press