Journal ArticleDOI
Metabolism and physiology of abscisic acid
Jan A. D. Zeevaart,R. A. Creelman +1 more
- Vol. 39, Iss: 1, pp 439-473
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TLDR
This paper presents a meta-analysis of biosynthesis in Fungi, focusing on the role of xanthoxin in the biosynthetic pathway and its role in the regulation in plants.Abstract:
INTRODUCTION 440 TECHNIQUES 440 Quantification of ABA . ...... . . ...... . 440 Separation of Sand R-Abscisic Acid 441 Stable Isotopes and Mass Spectrometry 442 Extraction and Quantification of Xanthoxin 442 METABOLISM 443 Biosynthesis in Fungi 443 Biosynthesis in Higher Plants 444 Catabolism . . . . . . . . . .. . .... . . . . . . . . . . . . . . .. . . ..... . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... ..... . . . . . . . 453 Compartmentation 454 EFFECTS OF ABSCISIC ACID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456 Physiological Responses 456 Biochemical Responses..... . ...... . 461 CONCLUDING REMARKS 463read more
Citations
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Journal ArticleDOI
Stomatal closure in oxygen-stressed plants
TL;DR: In this article, the relationship between rhizosphere oxygen availability, as measured by soil oxygen diffusion rate (ODR), and degree of stomatal closure has been recognized since 1973, and for simple hypoxia since 1975.
Journal ArticleDOI
Characterization of a novel drought-induced 34-kDa protein located in the thylakoids of Solanum tuberosum L. plants.
TL;DR: Based on the abundance and on the location of cdsp 34 within thylakoids, a putative role for this novel chloroplastic protein is discussed in relation to the tolerance of the photosynthetic apparatus of higher plants to dehydration.
Journal ArticleDOI
Substrate specificity and kinetics for VP14, a carotenoid cleavage dioxygenase in the ABA biosynthetic pathway.
TL;DR: Molecular modeling and several three-dimensional quantitative substrate-activity relationship programs were used to analyze results, and the presence and orientation of the ring hydroxyl affects substrate binding or the subsequent cleavage.
Journal ArticleDOI
The histone‐like protein H1‐S and the response of tomato leaves to water deficit
Gabriella S. Scippa,Michela Di Michele,Elisabetta Onelli,Giuseppe Patrignani,Donato Chiatante,Elizabeth A. Bray +5 more
TL;DR: This analysis indicates that H1-S has more than one function, at different times, in controlling plant water status, highlighting the complexity of the water stress response.
Journal ArticleDOI
AtrbohD and AtrbohF positively regulate abscisic acid-inhibited primary root growth by affecting Ca2+ signalling and auxin response of roots in Arabidopsis
Yiheng Jiao,Lirong Sun,Yalin Song,Limin Wang,Liping Liu,Liyue Zhang,Bo Liu,Ning Li,Chen Miao,Fushun Hao +9 more
TL;DR: ROS activate Ca(2+) signalling and reduce auxin sensitivity of roots, thus positively regulating ABA-inhibited primary root growth in Arabidopsis, suggesting that both AtrbohD and AtrabohF are essential for A BA-promoted ROS production in roots.
References
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Journal ArticleDOI
Induction of dormancy during seed development by endogenous abscisic acid: studies on abscisic acid deficient genotypes of Arabidopsis thaliana (L.) Heynh.
TL;DR: Mutant lines of Arabidopsis thaliana (L.) Heynh, which are characterized by symptoms of withering and the absence of seed dormancy, showed much lower levels of endogenous abscisic acid (ABA) in developing seeds and fruits than the wild type, and it seems that limited access to water is the primary trigger for the developmental arrest in these seeds.
Journal ArticleDOI
Biochemistry and physiology of abscisic acid.
TL;DR: This chapter discusses the localization and regulation of ABA, the mode of action of A.lJA, and the role of stomatal complexes and A.spoTf in this synthesis.
Journal ArticleDOI
Role of ABA in Maturation of Rapeseed Embryos
TL;DR: Results are consistent with the hypothesis that in maturing rapeseeds, low water content rather than ABA prevents germination during the later stages of development.
Journal ArticleDOI
High-affinity binding sites for abscisic acid on the plasmalemma of Vicia faba guard cells
Claudia Hornberg,Elmar W. Weiler +1 more
TL;DR: In this article, high affinity guard cell-specific ABA-binding proteins were found in the plasmalemma of the stomata of leaves with high density, and all characteristics examined, they bear the properties of ABA receptors.
Journal ArticleDOI
Rapeseed embryo development in culture on high osmoticum is similar to that in seeds.
TL;DR: Measurements of endogenous abscisic acid (ABA) levels by radioimmunoassay indicated that the osmotic effects on germination and gene expression were not mediated by elevated embryonic ABA, consistent with the hypothesis that ABA acts by inhibiting water uptake, which mechanically prevents germinating and affects gene expression in some unknown manner.