NDLI: Identification of quantitative trait loci responsible for rice grain protein content using chromosome segment substitution lines and fine mapping of qPC-1 in rice (Oryza sativa L.)

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Identification of quantitative trait loci responsible for rice grain protein content using chromosome segment substitution lines and fine mapping of qPC-1 in rice (Oryza sativa L.)

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Identification of quantitative trait loci responsible for rice grain protein content using chromosome segment substitution lines and fine mapping of qPC-1 in rice (Oryza sativa L.)

Content Provider	Springer Nature Link
Author	Yang, Yihao Guo, Min Li, Rongde Shen, Lan Wang, Wei Liu, Min Zhu, Qian Hu, Zhi He, Qiangwei Xue, Yang Tang, Shuzhu Gu, Minghong Yan, Changjie
Copyright Year	2015
Abstract	Protein content (PC) in rice endosperm plays an important role in determining rice grain quality. However, the genetic mechanism underlying grain PC remains unclear. In order to better understand the genetic basis of this trait, a chromosome segment substitution line (CSSL) population derived from the cross of Sasanishiki/Habataki was employed for genetic analysis and gene mapping. In three environments, seven quantitative trait loci in total were identified, of which only qPC-1 was repeatedly detected across three environments, and qPC-10 was identified in two environments; the other five QTLs were detected in one environment. In order to fine-map qPC-1, a CSSL with low PC, SL402, harboring qPC-1, was crossed with Sasanishiki to develop F$_{2}$ and F$_{3}$ segregation populations. qPC-1 was finally delimited to a 41-kb DNA region on chromosome 1. Storage protein component analysis indicated that the allele from Habataki on qPC-1 can significantly decrease the glutelin content, consequently leading to the decrease in PC. These results provide an important aid for map-based cloning of qPC-1, and the markers linked to qPC-1 could be applied to rice quality improvement.
Starting Page	1
Ending Page	9
Page Count	9
File Format	PDF
ISSN	13803743
Journal	Molecular Breeding
Volume Number	35
Issue Number	6
e-ISSN	15729788
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-05-22
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Rice Protein content qPC-1 Fine mapping Plant Sciences Plant Genetics & Genomics Plant Pathology Plant Physiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Molecular Biology Biotechnology Agronomy and Crop Science

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Identification of quantitative trait loci responsible for rice grain protein content using chromosome segment substitution lines and fine mapping of qPC-1 in rice (Oryza sativa L.)

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