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Cited by 432

The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.

Synergistic interaction of three ERECTA-family receptor-like kinases controls Arabidopsis organ growth and flower development by promoting cell proliferation

Open access
Shpak, Elena D., Berthiaume, Chris T., Hill, Emi J., Torii, Keiko U.·2004·Development
DOI 10.1242/dev.01028
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Abstract

Growth of plant organs relies on coordinated cell proliferation followed by cell growth, but the nature of the cell-cell signal that specifies organ size remains elusive. The Arabidopsis receptor-like kinase (RLK) ERECTA regulates inflorescence architecture. Our previous study using a dominant-negative fragment of ERECTA revealed the presence of redundancy in the ERECTA-mediated signal transduction pathway. Here, we report that Arabidopsis ERL1 and ERL2, two functional paralogs of ERECTA, play redundant but unique roles in a part of the ERECTA signaling pathway, and that synergistic interaction of three ERECTA-family RLKs define aerial organ size. Although erl1 and erl2 mutations conferred no detectable phenotype, they enhanced erecta defects in a unique manner. Overlapping but distinct roles of ERL1 and ERL2 can be ascribed largely to their intricate expression patterns rather than their functions as receptor kinases. Loss of the entire ERECTA family genes led to striking dwarfism, reduced lateral organ size and abnormal flower development,including defects in petal polar expansion, carpel elongation, and anther and ovule differentiation. These defects are due to severely reduced cell proliferation. Our findings place ERECTA-family RLKs as redundant receptors that link cell proliferation to organ growth and patterning.

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Metadata

Authors
Shpak, E. D., Berthiaume, C. T., Hill, E. J., & Torii, K. U.
Venue
Development
Publisher
The Company of Biologists
Published
2004-04-01
Volume
131
Issue
7
Pages
1491-1501
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
DOI
10.1242/dev.01028
OpenAlex
W2144817330
Cited by
432
References
43
FWCI
28.87
Type
journal article
Language
en
Open access
bronze

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