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As a crucial regulator of ABA signaling, ABSCISIC ACID-INSENSITIVE5 (ABI5) is involved in many aspects of plant growth and development, yet its regulation of anthocyanin biosynthesis has not been elucidated. In this study, we found that MdABI5, the apple homolog of Arabidopsis ABI5, positively regulated ABA-induced anthocyanin biosynthesis. 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. The constitutive expression of ABI5 prevented the growth arrest of ppc2 under low CO2 conditions.
16. Share. Save. 322 / 16 5 Mar 2020 90'ların sonunda, internetin ülkemize ilk girdiği günlerde, özellikle internet cafe ortamlarında elden ele dolaşan ses kayıtlarıyla, internetin belki 27 Feb 2014 ABI5 directly binds to its own promoter through three typical G-box motifs, and activates the expression of itself.
Based on the complementation experiments and the similar phenotype of over-expression transgenic lines, we propose that OsABI5 has a similar function to AtABI5 in the ABA signal pathway. It has been known that ABA INSENSITIVE 5 (ABI5) plays a vital role in regulating seed germination.
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Visat namn: Sveriges Geologiska Undersökning; SGU – Sveriges Geologiska Undersökning; Verksamhetsnamn: Sveriges Geologiska Undersökning; Sakord ABI5. A. thaliana (Columbia).
LPA YKS LPA YRS LPA YRS LPA YRS LPA YRS YRS LPA
1 Publication Abscisic acid (ABA) insensitive 5 (ABI5)—a core transcription factor of the ABA signaling pathway—is a basic leucine zipper transcription factor that plays a key role in the regulation of seed germination and early seedling growth.
These findings demonstrate that PPC2 plays an important role in the acclimation of Arabidopsis plants to low CO2 availability by linking photorespiratory metabolism to primary metabolism, and that this is mediated, at least in part, through ABA and
ABI5 is a key component in ABA-triggered pathways during germination, seedling establishment, and vegetative growth (Lopez-Molina et al., 2001); in addition, it has been reported to play certain roles in nitrogen assimilation and signaling (Signora et al., 2001). ABI5-BINDING PROTEIN2 (AFP2) negatively regulates the abscisic acid signal by accelerating ABI5 degradation during seed germination in Arabidopsis (Arabidopsis thaliana). The abscisic acid signal is reported to delay flowering by up-regulating Flowering Locus C expression, but the role of AFP2 in regulating flowering time is unknown. Consistently, PIFs and the G-box motifs in the ABI5 promoter determine ABI5 expression in darkness, and overexpression of ABI5 could rescue the ABA-insensitive phenotypes of pifq mutants in the dark. Moreover, we discovered that PIFs can physically interact with the ABA receptors PYL8 and PYL9, and that this interaction is not regulated by ABA.
As a crucial regulator of ABA signaling, ABSCISIC ACID-INSENSITIVE5 (ABI5) is involved in many aspects of plant growth and development, yet its regulation of anthocyanin biosynthesis has not been elucidated.
Plant J. 2016, 85(4):451-465. 6. försämrar bristen på RPN10, en basunderenhet som tjänstgör som en ubiquitinreceptor, ABA-singling genom stabilisering av transkriptionsfaktorn ABI5 15 .
The Arabidopsis abscisic acid response gene ABI5 encodes a basic leucine zipper transcription factor. 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. ABI5 is a basic leucine zipper (bZIP) TF that plays a crucial role in ABA signaling-mediated seed germination, chlorophyll catabolism, leaf senescence, and abiotic stress adaptation (Kanai et al., 2010; Sakuraba et al., 2014; Skubacz et al., 2016; Zhao et al., 2020).
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Cited in 6 publication(s). Immunogen corresponding to full length protein.
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Plants silencing ABI5 display increased tolerance to salt stress. 1 Publication Moreover, ABI5 also acts as an ABA and other phytohormone signaling integrator. Components of auxin, cytokinin, gibberellic acid, jasmonate and brassinosteroid signaling and metabolism pathways were shown to take part in ABI5 regulation and/or to be regulated by ABI5. Monocot orthologs of AtABI5 have been identified. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.