Genome-wide association studies provide insights into the genetic determination of fruit traits of pear.
Mingyue Zhang,Cheng Xue,Cheng Xue,Hongju Hu,Jiaming Li,Xue Yongsong,Runze Wang,Jing Fan,Cheng Zou,Shutian Tao,Mengfan Qin,Bing Bai,Xiaolong Li,Chao Gu,Shan Wu,Xu Chen,Yang Guangyan,Yueyuan Liu,Manyi Sun,Zhangjun Fei,Zhangjun Fei,Shaoling Zhang,Jun Wu +22 more
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TLDR
In this article, the authors performed genome-wide association studies (GWAS) on eleven fruit traits and identified 37 loci associated with eight fruit quality traits and five locis associated with three fruit phenological traits.Abstract:
Pear is a major fruit tree crop distributed worldwide, yet its breeding is a very time-consuming process. To facilitate molecular breeding and gene identification, here we have performed genome-wide association studies (GWAS) on eleven fruit traits. We identify 37 loci associated with eight fruit quality traits and five loci associated with three fruit phenological traits. Scans for selective sweeps indicate that traits including fruit stone cell content, organic acid and sugar contents might have been under continuous selection during breeding improvement. One candidate gene, PbrSTONE, identified in GWAS, has been functionally verified to be involved in the regulation of stone cell formation, one of the most important fruit quality traits in pear. Our study provides insights into the complex fruit related biology and identifies genes controlling important traits in pear through GWAS, which extends the genetic resources and basis for facilitating molecular breeding in perennial trees.read more
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A systems genetics approach reveals PbrNSC as a regulator of lignin and cellulose biosynthesis in stone cells of pear fruit.
Runze Wang,Xue Yongsong,Jing Fan,Jia-Long Yao,Mengfan Qin,Tao Lin,Qun Lian,Mingyue Zhang,Mingyue Zhang,Xiaolong Li,Jiaming Li,Manyi Sun,Bobo Song,Jiaying Zhang,Kejiao Zhao,Xu Chen,Hongju Hu,Zhangjun Fei,Zhangjun Fei,Xue Cheng,Jun Wu +20 more
TL;DR: In this paper, a system genetics approach was used to integrate co-expression networks and expression quantitative trait loci (eQTLs) to characterize the regulatory mechanisms controlling lignocellulose formation in the stone cells of pear fruits.
Journal ArticleDOI
Perspectives and recent progress of genome-wide association studies (GWAS) in fruits
TL;DR: The role of genome-wide approaches to unlock and explore the genetic potential along with the detection of SNPs affecting the phenotype of fruit crops is emphasized and the prospects of genomes-wide association studies in fruits are highlighted.
Journal ArticleDOI
Perspectives and recent progress of genome-wide association studies (GWAS) in fruits
Journal ArticleDOI
Cellulose and Lignin Contents are Negatively Correlated with Starch Accumulation, and Their Correlation Characteristics Vary Across Cassava Varieties
Journal ArticleDOI
Genome assembly of wild loquat (Eriobotrya japonica) and resequencing provide new insights into the genomic evolution and fruit domestication in loquat
Danlong Jing,Xinyan Liu,Qiao He,Jiangbo Dang,Ruoqian Hu,Yan Xia,Di Wu,Shuming Wang,Yin Zhang,Qingqing Xia,Chi Zhang,Yuanhui Yu,Qigao Guo,Guolu Liang +13 more
TL;DR: In this paper , the first high-quality chromosome-level genome assembly of wild loquat, with 45'791 predicted protein-coding genes, was presented, which can be used for elucidating fruit domestication and molecular breeding in Loquat.
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