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

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ID: 297654
2000
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Abstract
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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openalex_W2106541825 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ruth Finkelstein, Tim J. Lynch
Journal The Plant cell
Year 2000
DOI
10.1105/tpc.12.4.599
URL
https://doi.org/10.1105/tpc.12.4.599
Keywords Keywords not found

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