High-density Linkage Map of Cultivated Allotetraploid Cotton Based on SSR, TRAP, SRAP and AFLP Markers
文献类型: 外文期刊
第一作者: Yu, Jiwen
作者: Yu, Jiwen;Yu, Shuxun;Lu, Cairui;Wang, Wu;Fan, Shuli;Song, Meizhen;Lin, Zhongxu;Zhang, Xianlong;Zhang, Jinfa
作者机构:
关键词: cotton;linkage map;target region amplification polymorphism
期刊名称:JOURNAL OF INTEGRATIVE PLANT BIOLOGY ( 影响因子:7.061; 五年影响因子:6.002 )
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收录情况: SCI
摘要: A high-density linkage map was constructed for an F_2 population derived from an interspecific cross of cultivatedallotetraploid species between Gossypium hirsutum L. and G. barbadense L. A total of 186 F_2 individuals from theinterspecific cross of "CRI36 x Hal 7124" were genotyped at 1 252 polymorphic loci including a novel marker system,target region amplification polymorphism (TRAP). The map consists of 1 097 markers, including 697 simple sequence repeats (SSRs), 171 TRAPs, 129 sequence-related amplified polymorphisms, 98 amplified fragment lengthpolymorphisms, and two morphological markers, and spanned 4 536.7 cM with an average genetic distance of 4.1cM per marker. Using 45 duplicated SSR loci among chromosomes, 11 of the 13 pairs of homologous chromosomeswere identified in tetraploid cotton. This map will provide an essential resource for high resolution mapping ofquantitative trait loci and molecular breeding in cotton.
分类号: Q94
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