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A Unique Short-Chain Dehydrogenase/Reductase in Arabidopsis Glucose Signaling and Abscisic Acid Biosynthesis and Functions
Open accessAbstract
Glc has hormone-like functions and controls many vital processes through mostly unknown mechanisms in plants. We report here on the molecular cloning of GLUCOSE INSENSITIVE1 (GIN1) and ABSCISIC ACID DEFICIENT2 (ABA2) which encodes a unique Arabidopsis short-chain dehydrogenase/reductase (SDR1) that functions as a molecular link between nutrient signaling and plant hormone biosynthesis. SDR1 is related to SDR superfamily members involved in retinoid and steroid hormone biosynthesis in mammals and sex determination in maize. Glc antagonizes ethylene signaling by activating ABA2/GIN1 and other abscisic acid (ABA) biosynthesis and signaling genes, which requires Glc and ABA synergistically. Analyses of aba2/gin1 null mutants define dual functions of endogenous ABA in inhibiting the postgermination developmental switch modulated by distinct Glc and osmotic signals and in promoting organ and body size and fertility in the absence of severe stress. SDR1 is sufficient for the multistep conversion of plastid- and carotenoid-derived xanthoxin to abscisic aldehyde in the cytosol. The surprisingly restricted spatial and temporal expression of SDR1 suggests the dynamic mobilization of ABA precursors and/or ABA.
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STITT, M., & KRAPP, A. (1999) · Plant, Cell & Environment · doi:10.1046/j.1365-3040.1999.00386.x · Cited by 1,044
Genetic control of abscisic acid biosynthesis in maize
Tan, B. C., Schwartz, S. H., Zeevaart, J. A. D., & McCarty, D. R. (1997) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.94.22.12235 · Cited by 629
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Rolland, F., Baena-Gonzalez, E., & Sheen, J. (2006) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.57.032905.105441 · Cited by 2,328
Self-citationSucrose metabolism: regulatory mechanisms and pivotal roles in sugar sensing and plant development
Koch, K. (2004) · Current Opinion in Plant Biology · doi:10.1016/j.pbi.2004.03.014 · Cited by 1,455
The Arabidopsis cytochrome P450 CYP707A encodes ABA 8′‐hydroxylases: key enzymes in ABA catabolism
Kushiro, T., Okamoto, M., Nakabayashi, K., Yamagishi, K., Kitamura, S., Asami, T., Hirai, N., Koshiba, T., Kamiya, Y., & Nambara, E. (2004) · The EMBO Journal · doi:10.1038/sj.emboj.7600121 · Cited by 1,019
Self-citationResponses of root architecture development to low phosphorus availability: a review
Niu, Y. F., Chai, R. S., Jin, G. L., Wang, H., Tang, C. X., & Zhang, Y. S. (2013) · Annals of Botany · doi:10.1093/aob/mcs285 · Cited by 617
Relay and control of abscisic acid signaling
Himmelbach, A., Yang, Y., & Grill, E. (2003) · Current Opinion in Plant Biology · doi:10.1016/s1369-5266(03)00090-6 · Cited by 438
Metadata
- Authors
- Cheng, W.-H., Endo, A., Zhou, L., Penney, J., Chen, H.-C., Arroyo, A., Leon, P., Nambara, E., Asami, T., Seo, M., Koshiba, T., & Sheen, J.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-10-24
- Volume
- 14
- Issue
- 11
- Pages
- 2723-2743
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2101872939
- Cited by
- 871
- References
- 2
- FWCI
- 34.76
- Type
- journal article
- Language
- en
- Open access
- green
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- Cheng, W.-H., Endo, A., Zhou, L., Penney, J., Chen, H.-C., Arroyo, A., Leon, P., Nambara, E., Asami, T., Seo, M., Koshiba, T., & Sheen, J. (2002). A Unique Short-Chain Dehydrogenase/Reductase in Arabidopsis Glucose Signaling and Abscisic Acid Biosynthesis and Functions. The Plant Cell. https://doi.org/10.1105/tpc.006494
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