Journal
PLANT HORMONE SIGNALLING
Volume 58, Issue -, Pages 71-82Publisher
PORTLAND PRESS LTD
DOI: 10.1042/BSE0580071
Keywords
auxin; brassinosteroids; cross-talk; gibberelic acid; phytochrome; phytohormones; signal integration; signal transduction
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Funding
- NIGMS NIH HHS [R01GM066258] Funding Source: Medline
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM066258] Funding Source: NIH RePORTER
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Steroid hormones are key regulators of growth and physiology in both plants and animals. The plant steroid hormones known as brassinosteroids (JBRs) are essential for a wide range of developmental processes throughout the life cycle. In contrast with animal steroid hormones, which act mostly through nuclear receptors, BRs act through a cell-surface receptor kinase. The BR signal transduction pathway from the cell-surface receptor to nuclear gene expression has been elucidated in great molecular detail, and thus serves as a paradigm for receptor kinase signalling in plants. Furthermore, several mechanisms of signal integration have been identified that explain how BRs and other hormonal and environmental signals co-regulate specific developmental outputs in a synergistic or antagonistic manner.
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