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Fine mapping and molecular characterization of the virescent gene vsp in Upland cotton (Gossypium hirsutum)
Fine mapping and molecular characterization of the virescent gene vsp in Upland cotton (Gossypium hirsutum)
Virescent mutations can be used as marker traits in heterosis breeding and can also be used to research chloroplast development, chlorophyll biosynthesis and photosynthesis mechanisms. Here, we obtained a light-sensitive virescent mutant, vsp, that has reduced chlorophyll (Chl) content and abnormal chloroplast development. Then, the virescent space (vsp) gene in the vspmutant was preliminarily mapped to a 38.32-Mb region of chromosome D04 using a high-density SNP genetic map with a total length of 5384.33 cM and 4472 bin markers.

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