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
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Journal The Plant cell
Year 2000
DOI
10.1105/tpc.12.4.599
URL
https://doi.org/10.1105/tpc.12.4.599
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