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Reference Detail
Reference | ||
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Author | Hobo,T., Kowyama,Y. and Hattori,T. | |
Title | A bZIP factor, TRAB1, interacts with VP1 and mediates abscisic acid-induced transcription. | |
Abstract: The transcription factor VP1 regulates maturation and dormancy in plant seeds by activating genes responsive to the stress hormone abscisic acid (ABA). Although activation involves ABA-responsive elements (ABREs), VP1 itself does not specifically bind ABREs. Instead, we have identified and cloned a basic region leucine zipper (bZIP) factor, TRAB1, that interacts with both VP1 and ABREs. Transcription from a chimeric promoter with GAL4-binding sites was ABA-inducible if cells expressed a GAL4 DNA-binding domain::TRAB1 fusion protein. Results indicate that TRAB1 is a true trans-acting factor involved in ABA-regulated transcription and reveal a molecular mechanism for the VP1-dependent, ABA-inducible transcription that controls maturation and dormancy in plant embryos. |
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Journal | Proc. Natl. Acad. Sci. U.S.A. | |
Country | Japan | |
Volume | 96(26) | |
Pages | 15348-15353 | |
Year | 1999 | |
PubMed ID | 10611387 | |
PubMed Central ID | - | |
DOI | 10.1073/pnas.96.26.15348 | |
URL | - | |
Relation | ||
Gene | TRAB1 VP1 | |
INSD | AB023288 | |
Strain | Wild Core Collection | - |
Induced Mutation Lines(NIG Collection) | - | |
Sterile Seed Strain | - | |
Lethal Embryo Mutantion Strain |
- | |
Stages in Each Organ - Muant Lines (Gene) |
- | |
Cultivated Varieties(NIG Collection) | - | |
Stages in Each Organ | - |