Collinearity Analysis of AllotetraploidGossypium TomentosumandGossypium Darwinii
Copyright policy )Collinearity Analysis of AllotetraploidGossypium TomentosumandGossypium Darwinii
Abstract:G. tomentosumandG. darwiniiare wild allotetraploid cotton species, characterized with many excellent traits including finer fiber fineness, drought tolerance, Fusarium wilt and Verticillium wilt resistance. Based on construction of F2linkage groups ofG. hirsutum×G. tomentosumandG. hirsutum×G. darwinii,two genetic linkage maps were compared. As a result we found a total of 7 inversion fragments on chr02, chr05, chr08, chr12, chr14, chr16 and chr25, 3 translocation fragments on chr05, chr14 and chr26. Further comparing the inversion and translocation fragments, we noticed four of seven markers orientation ofG. tomentosumconsistent withG. hirsutum or G. raimondii,one of seven inversion markers orientation ofG. darwiniiconsistent withG. hirsutum; meanwhile one of three translocation marker orientation ofG. tomentosumconsistent withG. raimondii.The result indicate, compareG. darwinii, G. tomentosumhas closer genetic relationship toG. hirsutum.This study will play an important role in understanding the genome structure ofG. tomentosumandG. darwinii,and open the doors for further in-depth genome research such as fine mapping, tagging genes of interest from wild relatives and evolutionary study.
- Southeast University China (People's Republic of)
- State Key Laboratory of Cotton Biology China (People's Republic of)
- Chinese Academy of Agricultural Sciences China (People's Republic of)
- Cotton Research Institute China (People's Republic of)
- Southwest Univesity China (People's Republic of)
Genetic Linkage, Gossypium hirsutum, Plant Science, Gene, Chromosomes, Plant, Cotton Genomics, Evolution, Molecular, Agricultural and Biological Sciences, Endocrinology, Biochemistry, Genetics and Molecular Biology, Genetics, Genomic Studies of Cotton Fiber Development and Improvement, Mycoviruses in Fungal Symbiosis and Pathogenesis, Biology, Fusarium wilt, Gossypium, Genome, Verticillium wilt, Botany, Chromosome Mapping, Life Sciences, Fusarium oxysporum, FOS: Biological sciences, Viral RNA Silencing and Plant Immunity, Chromosomal translocation
Genetic Linkage, Gossypium hirsutum, Plant Science, Gene, Chromosomes, Plant, Cotton Genomics, Evolution, Molecular, Agricultural and Biological Sciences, Endocrinology, Biochemistry, Genetics and Molecular Biology, Genetics, Genomic Studies of Cotton Fiber Development and Improvement, Mycoviruses in Fungal Symbiosis and Pathogenesis, Biology, Fusarium wilt, Gossypium, Genome, Verticillium wilt, Botany, Chromosome Mapping, Life Sciences, Fusarium oxysporum, FOS: Biological sciences, Viral RNA Silencing and Plant Immunity, Chromosomal translocation
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