Characterization and fine mapping of a yellow leaf gene regulating chlorophyll biosynthesis and chloroplast development in cotton (Gossypium arboreum)
Gene(2023)
Abstract
•MutMap is an effective method for identifying loci for etiolated leaf.•Mutant gene Gachlh exhibited a lower chlorophyll content and the yellow-leaf phenotype.•Gachlh could not bind properly to GaCHLD, which prevented the assembly of Mg-chelatase.•Gachlh affected the tetrapyrrole pathway, leading to failure of chlorophyll synthesis.
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Key words
Gossypium arboreum,EMS,MutMap,GaCHLH,Chlorophyll biosynthesis
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