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SAUR Proteins as Effectors of Hormonal and Environmental Signals in Plant Growth

Open access
Ren, Hong, Gray, William M.·2015·Molecular Plant

Abstract

The plant hormone auxin regulates numerous aspects of plant growth and development. Early auxin response genes mediate its genomic effects on plant growth and development. Discovered in 1987, SMALL AUXIN UP RNAs (SAURs) are the largest family of early auxin response genes. SAUR functions have remained elusive, however, presumably due to extensive genetic redundancy. However, recent molecular, genetic, biochemical, and genomic studies have implicated SAURs in the regulation of a wide range of cellular, physiological, and developmental processes. Recently, crucial mechanistic insight into SAUR function was provided by the demonstration that SAURs inhibit PP2C.D phosphatases to activate plasma membrane (PM) H+-ATPases and promote cell expansion. In addition to auxin, several other hormones and environmental factors also regulate SAUR gene expression. We propose that SAURs are key effector outputs of hormonal and environmental signals that regulate plant growth and development.

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Metadata

Authors
Ren, H., & Gray, W. M.
Venue
Molecular Plant
Publisher
Elsevier BV
Published
2015-08
Volume
8
Issue
8
Pages
1153-1164
ISSN
1674-2052 (ISSN-L)
OpenAlex
W2124979541
Cited by
579
References
116
FWCI
29.26
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: SAUR Proteins as Effectors of Hormonal and Environmental Signals in Plant Growth. https://app.cochat.ai/papers/10.1016/j.molp.2015.05.003
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Ren, H., & Gray, W. M. (2015). SAUR Proteins as Effectors of Hormonal and Environmental Signals in Plant Growth. Molecular Plant. https://doi.org/10.1016/j.molp.2015.05.003

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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