The Arabidopsis Abscisic Acid Response Gene ABI5 Encodes a Basic Leucine Zipper Transcription Factor

Correspondence to: Ruth R. Finkelstein, finkelst{at}lifesci.ucsb.edu (E-mail), 805-893-4724 (fax)

The Arabidopsis abscisic acid (ABA)–insensitive abi5 mutants have pleiotropic defects in ABA response, including decreased sensitivity to ABA inhibition of germination and altered expression of some ABA-regulated genes. We isolated the ABI5 gene by using a positional cloning approach and found that it encodes a member of the basic leucine zipper transcription factor family. The previously characterized abi5-1 allele encodes a protein that lacks the DNA binding and dimerization domains required for ABI5 function. Analyses of ABI5 expression provide evidence for ABA regulation, cross-regulation by other ABI genes, and possibly autoregulation. Comparison of seed and ABA-inducible vegetative gene expression in wild-type and abi5-1 plants indicates that ABI5 regulates a subset of late embryogenesis–abundant genes during both developmental stages.

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				R. R. Johnson, R. L. Wagner, S. D. Verhey, and M. K. Walker-Simmons The Abscisic Acid-Responsive Kinase PKABA1 Interacts with a Seed-Specific Abscisic Acid Response Element-Binding Factor, TaABF, and Phosphorylates TaABF Peptide Sequences Plant Physiology, October 1, 2002; 130(2): 837 - 846. [Abstract] [Full Text] [PDF]

				V. Quesada, S. Garcia-Martinez, P. Piqueras, M. R. Ponce, and J. L. Micol Genetic Architecture of NaCl Tolerance in Arabidopsis Plant Physiology, October 1, 2002; 130(2): 951 - 963. [Abstract] [Full Text] [PDF]

				M. Hallouin, T. Ghelis, M. Brault, F. Bardat, D. Cornel, E. Miginiac, J.-P. Rona, B. Sotta, and E. Jeannette Plasmalemma Abscisic Acid Perception Leads to RAB18 Expression via Phospholipase D Activation in Arabidopsis Suspension Cells Plant Physiology, September 1, 2002; 130(1): 265 - 272. [Abstract] [Full Text] [PDF]

				S. A. Casson, P. M. Chilley, J. F. Topping, I. M. Evans, M. A. Souter, and K. Lindsey The POLARIS Gene of Arabidopsis Encodes a Predicted Peptide Required for Correct Root Growth and Leaf Vascular Patterning PLANT CELL, August 1, 2002; 14(8): 1705 - 1721. [Abstract] [Full Text] [PDF]

				A. Rohde, E. Prinsen, R. De Rycke, G. Engler, M. Van Montagu, and W. Boerjan PtABI3 Impinges on the Growth and Differentiation of Embryonic Leaves during Bud Set in Poplar PLANT CELL, August 1, 2002; 14(8): 1885 - 1901. [Abstract] [Full Text] [PDF]

				I. M. Brocard, T. J. Lynch, and R. R. Finkelstein Regulation and Role of the Arabidopsis Abscisic Acid-Insensitive 5 Gene in Abscisic Acid, Sugar, and Stress Response Plant Physiology, August 1, 2002; 129(4): 1533 - 1543. [Abstract] [Full Text] [PDF]

				N. V. Fedoroff Cross-Talk in Abscisic Acid Signaling Sci. Signal., July 9, 2002; 2002(140): re10 - re10. [Abstract] [Full Text] [PDF]

				E. Himi, D. J. Mares, A. Yanagisawa, and K. Noda Effect of grain colour gene (R) on grain dormancy and sensitivity of the embryo to abscisic acid (ABA) in wheat J. Exp. Bot., July 1, 2002; 53(374): 1569 - 1574. [Abstract] [Full Text] [PDF]

				E. Nambara, M. Suzuki, S. Abrams, D. R. McCarty, Y. Kamiya, and P. McCourt A Screen for Genes That Function in Abscisic Acid Signaling in Arabidopsis thaliana Genetics, July 1, 2002; 161(3): 1247 - 1255. [Abstract] [Full Text] [PDF]

				S. Bensmihen, S. Rippa, G. Lambert, D. Jublot, V. Pautot, F. Granier, J. Giraudat, and F. Parcy The Homologous ABI5 and EEL Transcription Factors Function Antagonistically to Fine-Tune Gene Expression during Late Embryogenesis PLANT CELL, June 1, 2002; 14(6): 1391 - 1403. [Abstract] [Full Text] [PDF]

				R. R. Finkelstein, S. S. L. Gampala, and C. D. Rock Abscisic Acid Signaling in Seeds and Seedlings PLANT CELL, May 1, 2002; 14(90001): S15 - 45. [Full Text] [PDF]

				F. Rolland, B. Moore, and J. Sheen Sugar Sensing and Signaling in Plants PLANT CELL, May 1, 2002; 14(90001): S185 - 205. [Full Text] [PDF]

				K. Miyoshi, Y. Kagaya, Y. Ogawa, Y. Nagato, and T. Hattori Temporal and Spatial Expression Pattern of the OSVP1 and OSEM Genes during Seed Development in Rice Plant Cell Physiol., March 1, 2002; 43(3): 307 - 313. [Abstract] [Full Text] [PDF]

				J.-y. Kang, H.-i. Choi, M.-y. Im, and S. Y. Kim Arabidopsis Basic Leucine Zipper Proteins That Mediate Stress-Responsive Abscisic Acid Signaling PLANT CELL, February 1, 2002; 14(2): 343 - 357. [Abstract] [Full Text] [PDF]

				T. Sano and T. Nagata The Possible Involvement of a Phosphate-Induced Transcription Factor Encoded by Phi-2 Gene from Tobacco in ABA-signaling Pathways Plant Cell Physiol., January 1, 2002; 43(1): 12 - 20. [Abstract] [Full Text] [PDF]

				T. Hattori, M. Totsuka, T. Hobo, Y. Kagaya, and A. Yamamoto-Toyoda Experimentally Determined Sequence Requirement of ACGT-Containing Abscisic Acid Response Element Plant Cell Physiol., January 1, 2002; 43(1): 136 - 140. [Abstract] [Full Text] [PDF]

				V. Lambrix, M. Reichelt, T. Mitchell-Olds, D. J. Kliebenstein, and J. Gershenzon The Arabidopsis Epithiospecifier Protein Promotes the Hydrolysis of Glucosinolates to Nitriles and Influences Trichoplusia ni Herbivory PLANT CELL, December 1, 2001; 13(12): 2793 - 2807. [Abstract] [Full Text] [PDF]

				S. L. Stone, L. W. Kwong, K. M. Yee, J. Pelletier, L. Lepiniec, R. L. Fischer, R. B. Goldberg, and J. J. Harada LEAFY COTYLEDON2 encodes a B3 domain transcription factor that induces embryo development PNAS, September 25, 2001; 98(20): 11806 - 11811. [Abstract] [Full Text] [PDF]

				L. Xiong, M. Ishitani, H. Lee, and J.-K. Zhu The Arabidopsis LOS5/ABA3 Locus Encodes a Molybdenum Cofactor Sulfurase and Modulates Cold Stress- and Osmotic Stress-Responsive Gene Expression PLANT CELL, September 1, 2001; 13(9): 2063 - 2083. [Abstract] [Full Text] [PDF]

				L. Xiong, B.-h. Lee, M. Ishitani, H. Lee, C. Zhang, and J.-K. Zhu FIERY1 encoding an inositol polyphosphate 1-phosphatase is a negative regulator of abscisic acid and stress signaling in Arabidopsis Genes & Dev., August 1, 2001; 15(15): 1971 - 1984. [Abstract] [Full Text] [PDF]