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An NAM Domain Gene, GhNAC79, Improves Resistance to Drought Stress in Upland Cotton

Overview of attention for article published in Frontiers in Plant Science, September 2017
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Title
An NAM Domain Gene, GhNAC79, Improves Resistance to Drought Stress in Upland Cotton
Published in
Frontiers in Plant Science, September 2017
DOI 10.3389/fpls.2017.01657
Pubmed ID
Authors

Yaning Guo, Chaoyou Pang, Xiaoyun Jia, Qifeng Ma, Lingling Dou, Fengli Zhao, Lijiao Gu, Hengling Wei, Hantao Wang, Shuli Fan, Junji Su, Shuxun Yu

Abstract

Plant-specific NAC proteins comprise one of the largest transcription factor families in plants and play important roles in plant development and the stress response. Gossypium hirsutum L. is a major source of fiber, but its growth and productivity are limited by many biotic and abiotic stresses. In this study, the NAC domain gene GhNAC79 was functionally characterized in detail, and according to information about the cotton genome sequences, it was located on scaffold42.1, containing three exons and two introns. Promoter analysis indicated that the GhNAC79 promoter contained both basic and stress-related elements, and it was especially expressed in the cotyledon of Arabidopsis. A transactivation assay in yeast demonstrated that GhNAC79 was a transcription activator, and its activation domain was located at its C-terminus. The results of qRT-PCR proved that GhNAC79 was preferentially expressed at later stages of cotyledon and fiber development, and it showed high sensitivity to ethylene and meJA treatments. Overexpression of GhNAC79 resulted in an early flowering phenotype in Arabidopsis, and it also improved drought tolerance in both Arabidopsis and cotton. Furthermore, VIGS-induced silencing of GhNAC79 in cotton led to a drought-sensitive phenotype. In summary, GhNAC79 positively regulates drought stress, and it also responds to ethylene and meJA treatments, making it a candidate gene for stress studies in cotton.

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Mendeley readers

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The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 9 26%
Student > Master 5 15%
Researcher 5 15%
Student > Doctoral Student 2 6%
Student > Bachelor 1 3%
Other 3 9%
Unknown 9 26%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 35%
Biochemistry, Genetics and Molecular Biology 9 26%
Unspecified 1 3%
Computer Science 1 3%
Engineering 1 3%
Other 0 0%
Unknown 10 29%
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 30 October 2017.
All research outputs
#20,451,228
of 23,007,053 outputs
Outputs from Frontiers in Plant Science
#16,394
of 20,507 outputs
Outputs of similar age
#279,709
of 320,344 outputs
Outputs of similar age from Frontiers in Plant Science
#407
of 479 outputs
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