On the role of abscisic Acid and gibberellin in the regulation of growth in rice.

@article{HoffmannBenning1992OnTR,
  title={On the role of abscisic Acid and gibberellin in the regulation of growth in rice.},
  author={S. Hoffmann-Benning and H. Kende},
  journal={Plant physiology},
  year={1992},
  volume={99 3},
  pages={
          1156-61
        }
}
Submergence induces rapid elongation of rice coleoptiles (Oryza sativa L.) and of deepwater rice internodes. This adaptive feature helps rice to grow out of the water and to survive flooding. Earlier, we found that the growth response of submerged deepwater rice plants is mediated by ethylene and gibberellin (GA). Ethylene promotes growth, at least in part, by increasing the responsiveness of the internodal tissue to GA. In the present work, we examined the possibility that increased… Expand
The Role of Ethylene in Regulating Growth of Deepwater Rice
Submergence induces rapid elongation of rice coleoptiles (Oryza sativa, L.) and of deepwater rice intemodes. This adaptive feature helps rice to grow out of the water and to survive flooding. TheExpand
Involvement of the decrease in levels of abscisic acid in the internodal elongation of submerged floating rice
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Submergence and treatment with ethylene indicates that a decrease in levels of ABA is involved in the internodal elongation induced by ethylene, the level of which increases in internodes during submergence. Expand
Ethylene—A key regulator of submergence responses in rice
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This work proposes that response strategies have evolved in rice to survive distinct conditions of submergence, and restricts carbohydrate consumption used for cell division and cell elongation that promotes underwater elongation. Expand
Regulation of Submergence-induced Enhanced Shoot Elongation in
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The molecular aspects of the mechanism that leads to shoot elongation (leaves of seedlings and internodes), the regulation of which involves metabolism of, and interactions between, ethylene, gibberellins and abscisic acid are discussed. Expand
Regulation of submergence-induced enhanced shoot elongation in Oryza sativa L.
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The molecular aspects of the mechanism that leads to shoot elongation (leaves of seedlings and internodes), the regulation of which involves metabolism of, and interactions between, ethylene, gibberellins and abscisic acid are discussed. Expand
Cuticle Biosynthesis in Rapidly Growing Internodes of Deepwater Rice
TLDR
It is proposed that rapidly elongating structures such as deepwater rice internodes constitute an excellent system to study cuticle formation at the biochemical and cellular level. Expand
Interactions between ethylene, gibberellin and abscisic acid regulate emergence and growth rate of adventitious roots in deepwater rice
TLDR
The results indicated that root emergence and elongation are distinct phases of adventitious root growth that are regulated through different networking between ethylene, GA and ABA signaling pathways. Expand
GIBBERELLIN-INDUCED ELONGATION AND OSMOREGULATION IN INTERNODES OF FLOATING RICE
TLDR
Results indicate that one of the possible mechanisms by which GA 3 promotes elongation of internodes at low RH involves the osmoregulation that is achieved by promotion of the synthesis of invertase. Expand
Ethylene-induced stem growth of deepwater rice is correlated with expression of gibberellin- and abscisic acid-biosynthetic genes
  • D. Choi
  • Biology
  • Journal of Plant Biology
  • 2009
TLDR
Results indicate that GA and ABA contribute equally to the submergence-or ethylene-induced stem elongation of deepwater rice via the coordinated and opposite regulation of biosynthesis. Expand
Phytochrome inhibits the effectiveness of gibberellins to elongation in rice
TLDR
The data indicate that phytochrome regu- lates the sensitivity of the tissue towards gibberellins, that gibBerellin synthesis is controlled in a negative-feedback loop dependent on gibb Berellin effectiveness, and that at least two hormone-triggered signal chains are linked to the cytoskeleton in rice. Expand
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Ethylene may cause internodal elongation in rice by increasing the activity of endogenous GAs in internodes from which the leaf sheath had been peeled off, and growth in response to submergence, ethylene and GA(3) was severely inhibited by light. Expand
The role of ethylene in the growth response of submerged deep water rice.
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The results indicate that ethylene produced during submergence is required for the stimulation of growth in submerged floating rice plants. Expand
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TLDR
The results are consistent with the hypothesis that induction of ACC-synthase activity at low partial O(2) pressures is among the first biochemical events leading to internodal growth in deepwater rice. Expand
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