Modulation of Abscisic Acid Signal Transduction and Biosynthesis by an Sm-like Protein in Arabidopsis

Liming Xiong; Zhizhong Gong; Christopher D. Rock; Senthil Subramanian; Yan Guo; Wenying Xu; David Galbraith; Jian Kang Zhu

doi:10.1016/S1534-5807(01)00087-9

Modulation of Abscisic Acid Signal Transduction and Biosynthesis by an Sm-like Protein in Arabidopsis

Liming Xiong, Zhizhong Gong, Christopher D. Rock, Senthil Subramanian, Yan Guo, Wenying Xu, David Galbraith, Jian Kang Zhu^*

^*Corresponding author for this work

Department of Biology

Research output: Contribution to journal › Journal article › peer-review

264 Citations (Scopus)

Abstract

The phytohormone abscisic acid (ABA) regulates plant growth and development as well as stress tolerance. The Arabidopsis sad1 (supersensitive to ABA and drought) mutation increases plant sensitivity to drought stress and ABA in seed germination, root growth, and the expression of some stress-responsive genes. sad1 plants are also defective in the positive feedback regulation of ABA biosynthesis genes by ABA and are impaired in drought stress induction of ABA biosynthesis. SAD1 encodes a polypeptide similar to multifunctional Sm-like snRNP proteins that are required for mRNA splicing, export, and degradation. These results suggest a critical role for mRNA metabolism in the control of ABA signaling as well as in the regulation of ABA homeostasis.

Original language	English
Pages (from-to)	771-781
Number of pages	11
Journal	Developmental Cell
Volume	1
Issue number	6
DOIs	https://doi.org/10.1016/S1534-5807(01)00087-9
Publication status	Published - Dec 2001

Scopus Subject Areas

Molecular Biology
General Biochemistry,Genetics and Molecular Biology
Developmental Biology
Cell Biology

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@article{ecef8574f9db411ca52f72d80996a5ae,

title = "Modulation of Abscisic Acid Signal Transduction and Biosynthesis by an Sm-like Protein in Arabidopsis",

abstract = "The phytohormone abscisic acid (ABA) regulates plant growth and development as well as stress tolerance. The Arabidopsis sad1 (supersensitive to ABA and drought) mutation increases plant sensitivity to drought stress and ABA in seed germination, root growth, and the expression of some stress-responsive genes. sad1 plants are also defective in the positive feedback regulation of ABA biosynthesis genes by ABA and are impaired in drought stress induction of ABA biosynthesis. SAD1 encodes a polypeptide similar to multifunctional Sm-like snRNP proteins that are required for mRNA splicing, export, and degradation. These results suggest a critical role for mRNA metabolism in the control of ABA signaling as well as in the regulation of ABA homeostasis.",

author = "Liming Xiong and Zhizhong Gong and Rock, {Christopher D.} and Senthil Subramanian and Yan Guo and Wenying Xu and David Galbraith and Zhu, {Jian Kang}",

note = "Funding information: We sincerely thank R.T. Leonard and R.A. Bressan for critical reading of the manuscript, V. Hugouvieux and J.I. Schroeder for providing the pAS-ABH1 and pAS-CBC20 yeast strains, and B. Stevenson and T.G. Lu for excellent technical assistance. Supported by National Science Foundation grants IBN-9808398 and DBI-9813360. Publisher copyright: {\textcopyright} 2001 Cell Press.",

year = "2001",

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doi = "10.1016/S1534-5807(01)00087-9",

language = "English",

volume = "1",

pages = "771--781",

journal = "Developmental Cell",

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AU - Xiong, Liming

AU - Gong, Zhizhong

AU - Rock, Christopher D.

AU - Subramanian, Senthil

AU - Guo, Yan

AU - Xu, Wenying

AU - Galbraith, David

AU - Zhu, Jian Kang

N1 - Funding information: We sincerely thank R.T. Leonard and R.A. Bressan for critical reading of the manuscript, V. Hugouvieux and J.I. Schroeder for providing the pAS-ABH1 and pAS-CBC20 yeast strains, and B. Stevenson and T.G. Lu for excellent technical assistance. Supported by National Science Foundation grants IBN-9808398 and DBI-9813360. Publisher copyright: © 2001 Cell Press.

PY - 2001/12

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N2 - The phytohormone abscisic acid (ABA) regulates plant growth and development as well as stress tolerance. The Arabidopsis sad1 (supersensitive to ABA and drought) mutation increases plant sensitivity to drought stress and ABA in seed germination, root growth, and the expression of some stress-responsive genes. sad1 plants are also defective in the positive feedback regulation of ABA biosynthesis genes by ABA and are impaired in drought stress induction of ABA biosynthesis. SAD1 encodes a polypeptide similar to multifunctional Sm-like snRNP proteins that are required for mRNA splicing, export, and degradation. These results suggest a critical role for mRNA metabolism in the control of ABA signaling as well as in the regulation of ABA homeostasis.

AB - The phytohormone abscisic acid (ABA) regulates plant growth and development as well as stress tolerance. The Arabidopsis sad1 (supersensitive to ABA and drought) mutation increases plant sensitivity to drought stress and ABA in seed germination, root growth, and the expression of some stress-responsive genes. sad1 plants are also defective in the positive feedback regulation of ABA biosynthesis genes by ABA and are impaired in drought stress induction of ABA biosynthesis. SAD1 encodes a polypeptide similar to multifunctional Sm-like snRNP proteins that are required for mRNA splicing, export, and degradation. These results suggest a critical role for mRNA metabolism in the control of ABA signaling as well as in the regulation of ABA homeostasis.

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EP - 781

JO - Developmental Cell

JF - Developmental Cell

IS - 6

ER -

Modulation of Abscisic Acid Signal Transduction and Biosynthesis by an Sm-like Protein in Arabidopsis

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