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QTL Detection and Elite Alleles Mining for Stigma Traits in Oryza sativa by Association Mapping

Overview of attention for article published in Frontiers in Plant Science, August 2016
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Title
QTL Detection and Elite Alleles Mining for Stigma Traits in Oryza sativa by Association Mapping
Published in
Frontiers in Plant Science, August 2016
DOI 10.3389/fpls.2016.01188
Pubmed ID
Authors

Xiaojing Dang, Erbao Liu, Yinfeng Liang, Qiangming Liu, Caleb M. Breria, Delin Hong

Abstract

Stigma traits are very important for hybrid seed production in Oryza sativa, which is a self-pollinated crop; however, the genetic mechanism controlling the traits is poorly understood. In this study, we investigated the phenotypic data of 227 accessions across 2 years and assessed their genotypic variation with 249 simple sequence repeat (SSR) markers. By combining phenotypic and genotypic data, a genome-wide association (GWA) map was generated. Large phenotypic variations in stigma length (STL), stigma brush-shaped part length (SBPL) and stigma non-brush-shaped part length (SNBPL) were found. Significant positive correlations were identified among stigma traits. In total, 2072 alleles were detected among 227 accessions, with an average of 8.3 alleles per SSR locus. GWA mapping detected 6 quantitative trait loci (QTLs) for the STL, 2 QTLs for the SBPL and 7 QTLs for the SNBPL. Eleven, 5, and 12 elite alleles were found for the STL, SBPL, and SNBPL, respectively. Optimal cross designs were predicted for improving the target traits. The detected genetic variation in stigma traits and QTLs provides helpful information for cloning candidate STL genes and breeding rice cultivars with longer STLs in the future.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 18 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 18 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 22%
Researcher 3 17%
Student > Master 2 11%
Student > Bachelor 1 6%
Other 1 6%
Other 1 6%
Unknown 6 33%
Readers by discipline Count As %
Agricultural and Biological Sciences 9 50%
Nursing and Health Professions 1 6%
Biochemistry, Genetics and Molecular Biology 1 6%
Unknown 7 39%
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 25 August 2016.
All research outputs
#18,467,278
of 22,882,389 outputs
Outputs from Frontiers in Plant Science
#13,816
of 20,270 outputs
Outputs of similar age
#279,252
of 361,775 outputs
Outputs of similar age from Frontiers in Plant Science
#292
of 464 outputs
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