ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2022
Mapping of CaPP2C35 involved in the formation of light-green immature pepper (Capsicum annuum L.) fruits via GWAS and BSA.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 11 papers.
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11 citing papers in PubMed, 19 citations in OpenAlex.
- The combined effects of Golden2-like 2 and Pseudo-Response Regulator 2 control the fruit pigmentation in pepper.The Plant journal : for cell and molecular biology · 2026Article
- Identification of major loci governing 13 agronomic traits and the fine-mapping of CaSUN29 regulating fruit length in pepper.Molecular horticulture · 2025Article
- Research on the mining of candidate genes for pepper fruit color and development of SNP markers based on SLAF-seq technology.Scientific reports · 2025Article
- Article
- Genome-wide association study and candidate gene identification for agronomic traits in 182 upward-growing fruits of C. frutescens and C. annuum.Scientific reports · 2024Article
- Mapping and cloning of pepper fruit color-related genes based on BSA-seq technology.Frontiers in plant science · 2024Article
- Revitalizing agriculture: next-generation genotyping and -omics technologies enabling molecular prediction of resilient traits in the Solanaceae family.Frontiers in plant science · 2024Review
- Multi-omics analysis provides insights into the mechanism underlying fruit color formation inFrontiers in plant science · 2024Article
- Genome-wide association study of 23 flowering phenology traits and 4 floral agronomic traits in tree peony (Horticulture research · 2023Article
- Investigation of genetic factors regulating chlorophyll and carotenoid biosynthesis in red pepper fruit.Frontiers in plant science · 2022Article
- Identification and fine-mapping of a major QTL (Frontiers in plant science · 2022Article
Corrections and comments
- Erratum issued
Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
key messageGenome-wide association study, bulked segregant analysis, and genetic analysis delimited the LG locus controlling light-green immature pepper fruits into a 35.07 kbp region on chromosome 10. A strong candidate gene, CaPP2C35, was identified in this region. In pepper (Capsicum annuum L.), the common colors of immature fruits are yellowish white, milky yellow, green, purple, and purplish black. Genes related to dark green, white, and purple immature fruits have been cloned; however, only a few studies have investigated light-green immature fruits. Here, we performed a genetic study using light-green (17C827) and green (17C658) immature fruits. The light-green color of immature fruits was controlled by a single locus-dominant genetic trait compared with the green color of immature fruits. We also performed a genome-wide association study and bulked segregant analysis of immature-fruit color and mapped the LG locus to a 35.07 kbp region on chromosome 10. Only one gene, Capana10g001710, was found in this region. A G-A substitution occurred at the 313th base of the Capana10g001710 coding sequence in 17C827, resulting in the conversion of the α-helix of its encoded PP2C35 protein into a β-fold. The expression of Capana10g001710 (termed CaPP2C35) in 17C827 was significantly higher than in 17C658. Silencing CaPP2C35 in 17C827 resulted in an increase in chlorophyll content in the exocarp and the appearance of green stripes on the surface of the fruit. These results indicate that CaPP2C35 may be involved in the formation of light-green immature fruits by regulating the accumulation of chlorophyll content in the exocarp. Thus, these findings lay the foundation for further studies and genetic improvement of immature-fruit color in pepper.
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