Agriculture Reference
In-Depth Information
TFs is not understood well. However, many of the TFs appear to affect ABA
response by modulating the activities or abundance of the core signaling com-
ponents. Several AP2/ERF family proteins and ABI3 physically interact with
ABF/AREB/ABI5 family members and synergistically cooperate to activate
ABA-responsive genes. A number of them, on the other hand, activate or repress
the expression of the core signaling components, such as ABFs/AREBs/ABI5 and
ABI1/2. Some TFs modulate the expression of key ABA biosynthetic genes, thereby
affecting the ABA level. In many cases, TFs regulating ABA response also regu-
lates other physiological processes, including other hormone responses (i.e., auxin,
ethyelene, gibberellin, jasmonate) and defense responses (Ton et al. 2009 ). These
TFs are likely to mediate cross talk between signaling pathways by integrating dif-
ferent signals.
References
Abdeen A, Schnell J, Miki B. Transcriptome analysis reveals absence of unintended effects in
drought-tolerant transgenic plants overexpressing the transcription factor ABF3. BMC
Genom. 2010;11:69.
Abe H, Yamaguchi-Shinozaki K, Urao T, Iwasaki T, Hosokawa D, Shinozaki K. Role of arabi-
dopsis MYC and MYB homologs in drought- and abscisic acid-regulated gene expression.
Plant Cell. 1997;9(10):1859-68.
Abe H, Urao T, Ito T, Seki M, Shinozaki K, Yamaguchi-Shinozaki K. Arabidopsis AtMYC2
(bHLH) and AtMYB2 (MYB) function as transcriptional activators in abscisic acid signal-
ing. Plant Cell. 2003;15(1):63-78.
Baker SS, Wilhelm KS, Thomashow MF. The 5′-region of Arabidopsis thaliana cor15a has cis-
acting elements that confer cold-, drought- and ABA-regulated gene expression. Plant Mol
Biol. 1994;24(5):701-13.
Barrero JM, Millar AA, Griffiths J, Czechowski T, Scheible WR, Udvardi M, Reid JB, Ross JJ,
Jacobsen JV, Gubler F. Gene expression profiling identifies two regulatory genes controlling
dormancy and ABA sensitivity in Arabidopsis seeds. Plant J. 2010;61(4):611-22.
Bensmihen S, Rippa S, Lambert G, Jublot D, Pautot V, Granier F, Giraudat J, Parcy F. The
homologous ABI5 and EEL transcription factors function antagonistically to Fine-tune gene
expression during late embryogenesis. Plant Cell. 2002;14:1391-403.
Bogamuwa S, Jang JC. The Arabidopsis tandem CCCH zinc finger proteins AtTZF4, 5 and 6 are
involved in light-, abscisic acid- and gibberellic acid-mediated regulation of seed germina-
tion. Plant Cell Environ. 2013;36(8):1507-19.
Busk PK, Pages M. Regulation of abscisic acid-induced transcription. Plant Mol Biol.
1998;37:425-35.
Casaretto J, Ho TH. The transcription factors HvABI5 and HvVP1 are required for the abscisic
acid induction of gene expression in barley aleurone cells. Plant Cell. 2003;15(1):271-84.
Chen H, Lai ZB, Shi JW, Xiao Y, Chen ZX, Xu XP. Roles of arabidopsis WRKY18, WRKY40
and WRKY60 transcription factors in plant responses to abscisic acid and abiotic stress.
BMC Plant Biol. 2010;10:281.
Chen L, Zhang L, Li D, Wang F, Yu D. WRKY8 transcription factor functions in the TMV-cg
defense response by mediating both abscisic acid and ethylene signaling in Arabidopsis.
Proc Natl Acad Sci USA. 2013a;110(21):E1963-71.
Chen YT, Liu HX, Stone S, Callis J. ABA and the ubiquitin E3 ligase KEEP ON GOING affect
proteolysis of the Arabidopsis thaliana transcription factors ABF1 and ABF3. Plant J.
2013b;75(6):965-76.
Search WWH ::




Custom Search