ArticleScientific reports2023
Physiological and transcriptomic analysis of a yellow leaf mutant in watermelon.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- Review
- Physiological, Cytological and Transcriptome Analysis of a Yellow-Green Leaf Mutant inPlants (Basel, Switzerland) · 2025Article
- Photosynthetic characteristics of upland cotton (Photosynthetica · 2025Article
- Revealing the key role of the folate synthesis regulatory gene DHNA in tobacco leaf yellowing based on BSA-seq, RNA-seq, and proteomic sequencing.BMC plant biology · 2024Article
- Metabolomics Combined with Transcriptomics Analysis Reveals the Regulation of Flavonoids in the Leaf Color Change ofInternational journal of molecular sciences · 2024Article
- Molecular Mechanisms of Chlorophyll Deficiency inPlants (Basel, Switzerland) · 2024Article
- Effects of different light intensity on leaf color changes in a Chinese cabbage yellow cotyledon mutant.Frontiers in plant science · 2024Article
- Transcriptional and genetic characteristic of chimera pea generation via double ethyl methanesulfonate-induced mutation revealed by transcription analysis.Frontiers in plant science · 2024Article
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7 authors.
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Abstract
Leaf color mutants are important materials for studying chloroplast and photomorphogenesis, and can function as basic germplasms for genetic breeding. In an ethylmethanesulfonate mutagenesis population of watermelon cultivar "703", a chlorophyll-deficient mutant with yellow leaf (Yl2) color was identified. The contents of chlorophyll a, chlorophyll b, and carotenoids in Yl2 leaves were lower than those in wild-type (WT) leaves. The chloroplast ultrastructure in the leaves revealed that the chloroplasts in Yl2 were degraded. The numbers of chloroplasts and thylakoids in the Yl2 mutant were lower, resulting in lower photosynthetic parameters. Transcriptomic analysis identified 1292 differentially expressed genes, including1002 upregulated and 290 downregulated genes. The genes involved in chlorophyll biosynthesis (HEMA, HEMD, CHL1, CHLM, and CAO) were significantly downregulated in the Yl2 mutant, which may explain why chlorophyll pigment content was lower than that in the WT. Chlorophyll metabolism genes such as PDS, ZDS and VDE, were upregulated, which form the xanthophyll cycle and may protect the yellow‒leaves plants from photodamage. Taken together, our findings provide insight into the molecular mechanisms of leading to leaf color formation and chloroplast development in watermelon.
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