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Arabidopsis Myosins XI1, XI2, and XIK Are Crucial for Gravity-Induced Bending of Inflorescence Stems

Overview of attention for article published in Frontiers in Plant Science, December 2016
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Title
Arabidopsis Myosins XI1, XI2, and XIK Are Crucial for Gravity-Induced Bending of Inflorescence Stems
Published in
Frontiers in Plant Science, December 2016
DOI 10.3389/fpls.2016.01932
Pubmed ID
Authors

Talts, Kristiina, Ilau, Birger, Ojangu, Eve-Ly, Tanner, Krista, Peremyslov, Valera V., Dolja, Valerian V., Truve, Erkki, Paves, Heiti

Abstract

Myosins and actin filaments in the actomyosin system act in concert in regulating cell structure and dynamics and are also assumed to contribute to plant gravitropic response. To investigate the role of the actomyosin system in the inflorescence stem gravitropism, we used single and multiple mutants affecting each of the 17 Arabidopsis myosins of class VIII and XI. We show that class XI but not class VIII myosins are required for stem gravitropism. Simultaneous loss of function of myosins XI1, XI2, and XIK leads to impaired gravitropic bending that is correlated with altered growth, stiffness, and insufficient sedimentation of gravity sensing amyloplasts in stem endodermal cells. The gravitropic defect of the corresponding triple mutant xi1 xi2 xik could be rescued by stable expression of the functional XIK:YFP in the mutant background, indicating a role of class XI myosins in this process. Altogether, our results emphasize the critical contributions of myosins XI in stem gravitropism of Arabidopsis.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 25 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
South Africa 1 4%
Unknown 24 96%

Demographic breakdown

Readers by professional status Count As %
Researcher 5 20%
Other 4 16%
Student > Ph. D. Student 4 16%
Student > Bachelor 2 8%
Student > Master 2 8%
Other 2 8%
Unknown 6 24%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 48%
Biochemistry, Genetics and Molecular Biology 7 28%
Immunology and Microbiology 1 4%
Unknown 5 20%
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 06 January 2017.
All research outputs
#20,382,391
of 22,931,367 outputs
Outputs from Frontiers in Plant Science
#16,248
of 20,355 outputs
Outputs of similar age
#355,295
of 420,838 outputs
Outputs of similar age from Frontiers in Plant Science
#368
of 499 outputs
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