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QTL mapping and candidate gene analysis of ferrous iron and zinc toxicity tolerance at seedling stage in rice by genome-wide association study

Overview of attention for article published in BMC Genomics, October 2017
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Title
QTL mapping and candidate gene analysis of ferrous iron and zinc toxicity tolerance at seedling stage in rice by genome-wide association study
Published in
BMC Genomics, October 2017
DOI 10.1186/s12864-017-4221-5
Pubmed ID
Authors

Jian Zhang, Kai Chen, Yunlong Pang, Shahzad Amir Naveed, Xiuqin Zhao, Xiaoqian Wang, Yun Wang, Michael Dingkuhn, Julie Pasuquin, Zhikang Li, Jianlong Xu

Abstract

Ferrous iron (Fe) and zinc (Zn) at high concentration in the soil cause heavy metal toxicity and greatly affect rice yield and quality. To improve rice production, understanding the genetic and molecular resistance mechanisms to excess Fe and Zn in rice is essential. Genome-wide association study (GWAS) is an effective way to identify loci and favorable alleles governing Fe and Zn toxicty as well as dissect the genetic relationship between them in a genetically diverse population. A total of 29 and 31 putative QTL affecting shoot height (SH), root length (RL), shoot fresh weight (SFW), shoot dry weight (SDW), root dry weight (RDW), shoot water content (SWC) and shoot ion concentrations (SFe or SZn) were identified at seedling stage in Fe and Zn experiments, respectively. Five toxicity tolerance QTL (qSdw3a, qSdw3b, qSdw12 and qSFe5 / qSZn5) were detected in the same genomic regions under the two stress conditions and 22 candidate genes for 10 important QTL regions were also determined by haplotype analyses. Rice plants share partial genetic overlaps of Fe and Zn toxicity tolerance at seedling stage. Candidate genes putatively affecting Fe and Zn toxicity tolerance identified in this study provide valuable information for future functional characterization and improvement of rice tolerance to Fe and Zn toxicity by marker-assisted selection or designed QTL pyramiding.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 67 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 67 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 15 22%
Researcher 15 22%
Student > Master 9 13%
Student > Bachelor 3 4%
Professor > Associate Professor 3 4%
Other 8 12%
Unknown 14 21%
Readers by discipline Count As %
Agricultural and Biological Sciences 34 51%
Biochemistry, Genetics and Molecular Biology 10 15%
Unspecified 2 3%
Computer Science 1 1%
Economics, Econometrics and Finance 1 1%
Other 2 3%
Unknown 17 25%
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 29 October 2017.
All research outputs
#18,575,277
of 23,007,053 outputs
Outputs from BMC Genomics
#8,226
of 10,693 outputs
Outputs of similar age
#251,532
of 328,360 outputs
Outputs of similar age from BMC Genomics
#157
of 202 outputs
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