Map-based cloning of q LP_(A01.1),a favorable allele from the Gossypium tomentosum chromosome segment line  

作　　者：Wenwen Wang Lei Chen Yan Wu Xin Guo Jinming Yang Dexin Liu Xueying Liu Kai Guo Dajun Liu Zhonghua Teng Yuehua Xiao Zhengsheng Zhang 

机构地区：[1]Engineering Research Center of South Upland Agriculture,Ministry of Education,Southwest University,Chongqing 400716,China

出　　处：《Journal of Integrative Agriculture》2024年第10期3283-3293,共11页农业科学学报（英文版）

基　　金：supported by the National Natural Science Foundation of China(32172064 and 32201827)。

摘　　要：Cotton is an important natural fiber crop worldwide which plays a vital role in our daily life.High yield is a constant goal of cotton breeding,and lint percentage(LP)is one of the important components of cotton fiber yield.A stable QTL controlling LP,qLP_(A01.1),was identified on chromosome A01 from Gossypium hirsutum introgressed lines with G.tomentosum chromosome segments in a previous study.To fine-map qLP_(A01.1),an F2 population with 986individuals was established by crossing G.hirsutum cultivar CCRI35 with the chromosome segment substitution line HT_390.A high-resolution genetic map including 47 loci and spanning 56.98 cM was constructed in the QTL region,and qLP_(A01.1)was ultimately mapped into an interval corresponding to an~80 kb genome region of chromosome A01in the reference genome,which contained six annotated genes.Transcriptome data and sequence analysis revealed that S-acyltransferase protein 24(GoPAT24)might be the target gene of qLP_(A01.1).This result provides the basis for cotton fiber yield improvement via marker-assisted selection(MAS)and further studies on the mechanism of cotton fiber development.

关 键 词：cotton lint percentage FINE-MAPPING qLPA01.1 GoPAT24 

分 类 号：S562[农业科学—作物学]