Genome-wide screening of meta-QTL and candidate genes controlling yield and yield-related traits in barley (Hordeum vulgare L.)

被引：2
作者：
Du, Binbin [1 ]
Wu, Jia [1 ]
Wang, Qingming [2 ]
Sun, Chaoyue [1 ]
Sun, Genlou [3 ]
Zhou, Jie [2 ]
Zhang, Lei [2 ]
Xiong, Qingsong [4 ]
Ren, Xifeng [5 ]
Lu, Baowei [1 ]
机构：
[1] West Anhui Univ, Coll Biotechnol & Pharmaceut Engn, Luan, Peoples R China
[2] Luan Acad Agr Sci, Luan, Peoples R China
[3] St Marys Univ, Biol Dept, Halifax, NS, Canada
[4] Zooml Intelligent Agr Co Ltd, Wuhu, Peoples R China
[5] Huazhong Agr Univ, Coll Plant Sci & Technol, Hubei Hongshan Lab, Wuhan, Peoples R China
来源：
PLOS ONE | 2024年 / 19卷 / 05期
基金：
中国国家自然科学基金;
关键词：
PSEUDO-RESPONSE-REGULATOR; AGRONOMIC TRAITS; SPRING BARLEY; MAJOR QTL; WHEAT; ENCODES; LOCUS; RICE; IDENTIFICATION; METAANALYSIS;
D O I：
10.1371/journal.pone.0303751
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Increasing yield is an important goal of barley breeding. In this study, 54 papers published from 2001-2022 on QTL mapping for yield and yield-related traits in barley were collected, which contained 1080 QTLs mapped to the barley high-density consensus map for QTL meta-analysis. These initial QTLs were integrated into 85 meta-QTLs (MQTL) with a mean confidence interval (CI) of 2.76 cM, which was 7.86-fold narrower than the CI of the initial QTL. Among these 85 MQTLs, 68 MQTLs were validated in GWAS studies, and 25 breeder's MQTLs were screened from them. Seventeen barley orthologs of yield-related genes in rice and maize were identified within the hcMQTL region based on comparative genomics strategy and were presumed to be reliable candidates for controlling yield-related traits. The results of this study provide useful information for molecular marker-assisted breeding and candidate gene mining of yield-related traits in barley.
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页数：20
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