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An auxin responsive CLE gene regulates shoot apical meristem development in Arabidopsis

Overview of attention for article published in Frontiers in Plant Science, May 2015
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Title
An auxin responsive CLE gene regulates shoot apical meristem development in Arabidopsis
Published in
Frontiers in Plant Science, May 2015
DOI 10.3389/fpls.2015.00295
Pubmed ID
Authors

Hongyan Guo, Wei Zhang, Hainan Tian, Kaijie Zheng, Xuemei Dai, Shanda Liu, Qingnan Hu, Xianling Wang, Bao Liu, Shucai Wang

Abstract

Plant hormone auxin regulates most, if not all aspects of plant growth and development, including lateral root formation, organ pattering, apical dominance, and tropisms. Peptide hormones are peptides with hormone activities. Some of the functions of peptide hormones in regulating plant growth and development are similar to that of auxin, however, the relationship between auxin and peptide hormones remains largely unknown. Here we report the identification of OsCLE48, a rice (Oryza sativa) CLE (CLAVATA3/ENDOSPERM SURROUNDING REGION) gene, as an auxin response gene, and the functional characterization of OsCLE48 in Arabidopsis and rice. OsCLE48 encodes a CLE peptide hormone that is similar to Arabidopsis CLEs. RT-PCR analysis showed that OsCLE48 was induced by exogenously application of IAA (indole-3-acetic acid), a naturally occurred auxin. Expression of integrated OsCLE48p:GUS reporter gene in transgenic Arabidopsis plants was also induced by exogenously IAA treatment. These results indicate that OsCLE48 is an auxin responsive gene. Histochemical staining showed that GUS activity was detected in all the tissue and organs of the OsCLE48p:GUS transgenic Arabidopsis plants. Expression of OsCLE48 under the control of the 35S promoter in Arabidopsis inhibited shoot apical meristem development. Expression of OsCLE48 under the control of the CLV3 native regulatory elements almost completely complemented clv3-2 mutant phenotypes, suggesting that OsCLE48 is functionally similar to CLV3. On the other hand, expression of OsCLE48 under the control of the 35S promoter in Arabidopsis has little, if any effects on root apical meristem development, and transgenic rice plants overexpressing OsCLE48 are morphologically indistinguishable from wild type plants, suggesting that the functions of some CLE peptides may not be fully conserved in Arabidopsis and rice. Taken together, our results showed that OsCLE48 is an auxin responsive peptide hormone gene, and it regulates shoot apical meristem development when expressed in Arabidopsis.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 45 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Japan 1 2%
Germany 1 2%
Unknown 43 96%

Demographic breakdown

Readers by professional status Count As %
Researcher 9 20%
Student > Ph. D. Student 8 18%
Student > Bachelor 6 13%
Professor 3 7%
Student > Postgraduate 3 7%
Other 6 13%
Unknown 10 22%
Readers by discipline Count As %
Agricultural and Biological Sciences 22 49%
Biochemistry, Genetics and Molecular Biology 9 20%
Unspecified 1 2%
Psychology 1 2%
Chemistry 1 2%
Other 0 0%
Unknown 11 24%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 May 2015.
All research outputs
#19,944,091
of 25,373,627 outputs
Outputs from Frontiers in Plant Science
#14,359
of 24,597 outputs
Outputs of similar age
#192,943
of 278,920 outputs
Outputs of similar age from Frontiers in Plant Science
#161
of 273 outputs
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So far Altmetric has tracked 24,597 research outputs from this source. They receive a mean Attention Score of 3.9. This one is in the 32nd percentile – i.e., 32% of its peers scored the same or lower than it.
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We're also able to compare this research output to 273 others from the same source and published within six weeks on either side of this one. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.