ArticleBMC plant biology2020
Identification of two recessive etiolation genes (py1, py2) in pakchoi (Brassica rapa L. ssp. chinensis).
Article in BMC plant biology, 2020. 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, 12 citations in OpenAlex.
- The wucai genome and DNA methylation regulation on the inner leaves' yellowing response to low temperature.Horticulture research · 2025Article
- Leaf color variation mechanism of the yellow-to-green mutant 'Breeding science · 2025Article
- A Comprehensive Review: Genetic Mapping of Genes Associated with Green Leaf Color Variations in Main Vegetable Crops.Plants (Basel, Switzerland) · 2025Review
- QTL mapping and candidate gene analysis reveal two major loci regulating green leaf color in non-heading Chinese cabbage.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Cytological, Physiological, and Transcriptomic Analyses of the Leaf Color MutantPlants (Basel, Switzerland) · 2024Article
- Transcriptome Analysis of Green and White Leaf Ornamental Kale Reveals Coloration-Related Genes and Pathways.Frontiers in plant science · 2022Article
- Comparative transcriptome and microbial community sequencing provide insight into yellow-leaf phenotype of Camellia japonica.BMC plant biology · 2021Article
- Fine mapping of a candidate gene for cool-temperature-induced albinism in ornamental kale.BMC plant biology · 2020Article
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6 authors at 2 institutions in 1 country.
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Abstract
backgroundLeaf color is a major agronomic trait, which has a strong influence on crop yields. Isolating leaf color mutants can represent valuable materials for research in chlorophyll (Chl) biosynthesis and metabolism regulation.
resultsIn this study, we identified a stably inherited yellow leaf mutant derived from 'Huaguan' pakchoi variety via isolated microspore culture and designated as pylm. This mutant displayed yellow leaves after germination. Its etiolated phenotype was nonlethal and stable during the whole growth period. Its growth was weak and its hypocotyls were markedly elongated. Genetic analysis revealed that two recessive nuclear genes, named py1 and py2, are responsible for the etiolation phenotype. Bulked segregant RNA sequencing (BSR-Seq) showed that py1 and py2 were mapped on chromosomes A09 and A07, respectively. The genes were single Mendelian factors in F
conclusionsOur study identified a Chl deficiency mutant pylm in pakchoi. Two recessive nuclear genes named py1 and py2 had a significant effect on etiolation. Candidate genes regulating etiolation were identified as BraA09004189 and BraA07001774, respectively. These findings will elucidate chlorophyll metabolism and the molecular mechanisms of the gene interactions controlling pakchoi etiolation.
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