The Arabidopsis SUCROSE UNCOUPLED-6 gene is identical to ABSCISIC ACID INSENSITIVE-4: involvement of abscisic acid in sugar responses
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Regulation and role of the Arabidopsis abscisic acid-insensitive 5 gene in abscisic acid, sugar, and stress response.
Abscisic acid (ABA) and stress response from late embryonic growth through early seedling development is regulated by a signaling network that includes the Arabidopsis ABA-insensitive (ABI)5 gene, which encodes a basic leucine zipper transcription factor. We have characterized genetic, developmental, and environmental regulation of ABI5 expression. Although expressed most strongly in seeds, the...
متن کاملThree genes that affect sugar sensing (abscisic acid insensitive 4, abscisic acid insensitive 5, and constitutive triple response 1) are differentially regulated by glucose in Arabidopsis.
Mutant characterization has demonstrated that ABI4 (Abscisic Acid [ABA] Insensitive 4), ABI5 (ABA Insensitive 5), and CTR1 (Constitutive Triple Response 1) genes play an important role in the sugar signaling response in plants. The present study shows that the transcripts of these three genes are modulated by glucose (Glc) independently of the developmental arrest caused by high Glc concentrati...
متن کاملThe Arabidopsis thaliana ABSCISIC ACID-INSENSITIVE8 encodes a novel protein mediating abscisic acid and sugar responses essential for growth.
Abscisic acid (ABA) regulates many aspects of plant growth and development, yet many ABA response mutants present only subtle phenotypic defects, especially in the absence of stress. By contrast, the ABA-insensitive8 (abi8) mutant, isolated on the basis of ABA-resistant germination, also displays severely stunted growth, defective stomatal regulation, altered ABA-responsive gene expression, del...
متن کاملAAO ABSCISIC ALDEHYDE OXIDASE ABA1-4 ABSCISIC ACID DEFICIENT 1–4 ABCG ATP-BINDING CASSETTE G ABF ABSCISIC ACID-RESPONSIVE ELEMENT BINDING FACTOR ABI ABSCISIC ACID INSENSITIVE Abscisic Acid Implication in Plant Growth and Stress Responses
L.-S.P. Tran and S. Pal (eds.), Phytohormones: A Window to Metabolism, Signaling and Biotechnological Applications, DOI 10.1007/978-1-4939-0491-4_2, © Springer Science+Business Media New York 2014 Abstract Abscisic acid (ABA) is an important phytohormone regulating various physiological aspects in plants such as seed maturation, dormancy, seedling growth, and stomatal behaviour. In this chapter...
متن کاملAbscisic acid induces the alcohol dehydrogenase gene in Arabidopsis.
Exogenous abscisic acid (ABA) induced the alcohol dehydrogenase gene (Adh) in Arabidopsis roots. Both the G-box-1 element and the GT/GC motifs (anaerobic response element) were required for Adh inducibility. Measurement of endogenous ABA levels during stress treatment showed that ABA levels increased during dehydration treatment but not following exposure to either hypoxia or low temperature. A...
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ژورنال
عنوان ژورنال: The Plant Journal
سال: 2000
ISSN: 0960-7412,1365-313X
DOI: 10.1046/j.1365-313x.2000.00822.x