ArticleBMC plant biology2023
Genome-wide association study of leaf-related traits in tea plant in Guizhou based on genotyping-by-sequencing.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 23 citations in OpenAlex.
- Mining ofHorticulture research · 2026Article
- Genome-wide association study (GWAS) and transcriptome analysis reveal new candidate genes for leaf size in alfalfa.BMC plant biology · 2026Article
- Genome wide association analysis of flavour related metabolites in tea germplasm [Camellia sinensis (L.) Kuntze] from Assam using a genotyping by sequencing strategy.BMC plant biology · 2025Article
- TEA5K: a high-resolution and liquid-phase multiple-SNP array for molecular breeding in tea plant.Journal of nanobiotechnology · 2025Article
- Integration of digital phenotyping, GWAS, and transcriptomic analysis revealed a key gene for bud size in tea plant (Horticulture research · 2025Article
- Genetic diversity analysis and core germplasm construction of tea plants in Lu'an.BMC plant biology · 2025Article
- Genome-wide association studies reveal potential candidate genes associated with amino acid in tea plants.PeerJ · 2025Article
- Pigment Diversity in Leaves ofInternational journal of molecular sciences · 2024Article
- Selective sweep and GWAS provide insights into adaptive variation ofForestry research · 2024Article
- Genome-Wide Association Studies of Biluochun Tea Plant Populations in Dongting Mountain and Comprehensive Identification of Candidate Genes Associated with Core Agronomic Traits by Four Analysis Models.Plants (Basel, Switzerland) · 2023Article
- Application of Multi-Perspectives in Tea Breeding and the Main Directions.International journal of molecular sciences · 2023Review
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7 authors at 1 institution in 1 country.
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Abstract
backgroundStudying the genetic characteristics of tea plant (Camellia spp.) leaf traits is essential for improving yield and quality through breeding and selection. Guizhou Plateau, an important part of the original center of tea plants, has rich genetic resources. However, few studies have explored the associations between tea plant leaf traits and single nucleotide polymorphism (SNP) markers in Guizhou.
resultsIn this study, we used the genotyping-by-sequencing (GBS) method to identify 100,829 SNP markers from 338 accessions of tea germplasm in Guizhou Plateau, a region with rich genetic resources. We assessed population structure based on high-quality SNPs, constructed phylogenetic relationships, and performed genome-wide association studies (GWASs). Four inferred pure groups (G-I, G-II, G-III, and G-IV) and one inferred admixture group (G-V), were identified by a population structure analysis, and verified by principal component analyses and phylogenetic analyses. Through GWAS, we identified six candidate genes associated with four leaf traits, including mature leaf size, texture, color and shape. Specifically, two candidate genes, located on chromosomes 1 and 9, were significantly associated with mature leaf size, while two genes, located on chromosomes 8 and 11, were significantly associated with mature leaf texture. Additionally, two candidate genes, located on chromosomes 1 and 2 were identified as being associated with mature leaf color and mature leaf shape, respectively. We verified the expression level of two candidate genes was verified using reverse transcription quantitative polymerase chain reaction (RT-qPCR) and designed a derived cleaved amplified polymorphism (dCAPS) marker that co-segregated with mature leaf size, which could be used for marker-assisted selection (MAS) breeding in Camellia sinensis.
conclusionsIn the present study, by using GWAS approaches with the 338 tea accessions population in Guizhou, we revealed a list of SNPs markers and candidate genes that were significantly associated with four leaf traits. This work provides theoretical and practical basis for the genetic breeding of related traits in tea plant leaves.
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