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Article

Brassinosteroids regulate organ boundary formation in the shoot apical meristem of Arabidopsis.

Proceedings of the National Academy of Sciences of the United States of America - 18 Dec 2012

Gendron Joshua M, Liu Jiang-Shu, Fan Min, Bai Ming-Yi, Wenkel Stephan, Springer Patricia S, Barton M Kathryn, Wang Zhi-Yong

Abstract excerpt

Spatiotemporal control of the formation of organ primordia and organ boundaries from the stem cell niche in the shoot apical meristem (SAM) determines the patterning and architecture of plants, but the underlying signaling mechanisms remain poorly understood. Here we show that brassinosteroids (BRs) play a key role in organ boundary formation by repressing organ boundary identity genes. BR-hypersensitive mutants...

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PMID: 23213257
DOI: 10.1073/pnas.1210799110
PMCID: PMC3529081

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