Mutation of Mg-chelatase subunit I causes distinct phenotypes of chlorophyll accumulation and seedling etiolation in watermelon (Citrullus lanatus) and melon (Cucumis melo).

Abstract excerpt

Chlorophyll biosynthesis is essential for plant growth and development, as it directly modulates photosynthetic capacity. Here, we identified yellow mutants with chlorophyll deficiency and abnormal thylakoid stacking-disturbed in watermelon (lethal) and melon (non-lethal), and mapped the traits to SNPs (H359R in watermelon, T193A in melon) in ChlI, which encodes Mg-chelatase subunit I. Suppression of ClChlI in...

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