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Correlation between differential drought tolerability of two contrasting drought-responsive chickpea cultivars and differential expression of a subset of CaNAC genes under normal and dehydration…

Overview of attention for article published in Frontiers in Plant Science, June 2015
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Title
Correlation between differential drought tolerability of two contrasting drought-responsive chickpea cultivars and differential expression of a subset of CaNAC genes under normal and dehydration conditions
Published in
Frontiers in Plant Science, June 2015
DOI 10.3389/fpls.2015.00449
Pubmed ID
Authors

Kien Huu Nguyen, Chien Van Ha, Yasuko Watanabe, Uyen Thi Tran, Maryam Nasr Esfahani, Dong Van Nguyen, Lam-Son Phan Tran

Abstract

Drought causes detrimental effect to growth and productivity of many plants, including crops. NAC transcription factors have been reported to play important role in drought tolerance. In this study, we assessed the expression profiles of 19 dehydration-responsive CaNAC genes in roots and leaves of two contrasting drought-responsive chickpea varieties treated with water (control) and dehydration to examine the correlation between the differential expression levels of the CaNAC genes and the differential drought tolerability of these two cultivars. Results of real-time quantitative PCR indicated a positive relationship between the number of dehydration-inducible and -repressible CaNAC genes and drought tolerability. The higher drought-tolerant capacity of ILC482 cultivar vs. Hashem cultivar might be, at least partly, attributed to the higher number of dehydration-inducible and lower number of dehydration-repressible CaNAC genes identified in both root and leaf tissues of ILC482 than in those of Hashem. In addition, our comparative expression analysis of the selected CaNAC genes in roots and leaves of ILC482 and Hashem cultivars revealed different dehydration-responsive expression patterns, indicating that CaNAC gene expression is tissue- and genotype-specific. Furthermore, the analysis suggested that the enhanced drought tolerance of ILC482 vs. Hashem might be associated with five genes, namely CaNAC02, 04, 05, 16, and 24. CaNAC16 could be a potential candidate gene, contributing to the better drought tolerance of ILC482 vs. Hashem as a positive regulator. Conversely, CaNAC02 could be a potential negative regulator, contributing to the differential drought tolerability of these two cultivars. Thus, our results have also provided a solid foundation for selection of promising tissue-specific and/or dehydration-responsive CaNAC candidates for detailed in planta functional analyses, leading to development of transgenic chickpea varieties with improved productivity under drought.

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Geographical breakdown

Country Count As %
Chile 1 4%
India 1 4%
Brazil 1 4%
Unknown 22 88%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 24%
Student > Ph. D. Student 4 16%
Professor > Associate Professor 3 12%
Student > Master 3 12%
Student > Doctoral Student 2 8%
Other 1 4%
Unknown 6 24%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 48%
Biochemistry, Genetics and Molecular Biology 3 12%
Chemistry 1 4%
Engineering 1 4%
Unknown 8 32%
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 08 July 2015.
All research outputs
#20,653,708
of 25,368,786 outputs
Outputs from Frontiers in Plant Science
#16,524
of 24,590 outputs
Outputs of similar age
#203,799
of 278,838 outputs
Outputs of similar age from Frontiers in Plant Science
#180
of 274 outputs
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