ArticleBMC plant biology2022
Population structure analysis to explore genetic diversity and geographical distribution characteristics of cultivated-type tea plant in Guizhou Plateau.
Article in BMC plant biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
- Intraspecific variation, trait coordination and resource-use strategies of leaf functional traits in Suzhou tea landraces (Camellia sinensis).BMC plant biology · 2026Article
- Genetic diversity and population structure of wild and cultivated Camellia tetracocca Chang assessed by ILP markers: insights for conservation of an endangered tea species.BMC plant biology · 2026Article
- Unravelling the genetics of heat-responsive fruit traits in pepper [Capsicum annuum L.] via GWAS under subtropical climates.BMC plant biology · 2026Article
- Genome-wide association study to dissect the genetic architecture of bolting-related traits in carrot (Daucus carota).Scientific reports · 2025Article
- SSR genotyping of 200 tea (Camellia sinensis) clones obtained by selection and DNA barcoding of 12 varietal registration candidates.BMC plant biology · 2025Article
- Stand Structure Extraction and Analysis ofPlants (Basel, Switzerland) · 2025Article
- Genetic Diversity and Population Structure of Wild AncientPlants (Basel, Switzerland) · 2025Article
- Genomic DNA barcodes provide novel insights into species delimitation in the complex Camellia sect. Thea (Theaceae).BMC plant biology · 2025Article
- Next-generation sequencing-based population genetics unravels the evolutionary history of Rhodomyrtus tomentosa in China.BMC plant biology · 2025Article
- Genome-wide association studies reveal potential candidate genes associated with amino acid in tea plants.PeerJ · 2025Article
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- Genetic diversity and structure of Persicaria amphibia (Polygonaceae) in South Korea using genotyping by sequencing.Genes & genomics · 2025Article
- Population genetic differentiation and structure of rare plant Anemone shikokiana based on genotyping-by-sequencing (GBS).BMC plant biology · 2024Article
- Simple Sequence Repeat Marker-Based Genetic Diversity and Chemical Composition Analysis of AncientGenes · 2024Article
- Analysis of population structure and genetic diversity of Camellia tachangensis in Guizhou based on SNP markers.Molecular biology reports · 2024Article
- Tea and Pleurotus ostreatus intercropping modulates structure of soil and root microbial communities.Scientific reports · 2024Article
- Genome-wide association study, population structure, and genetic diversity of the tea plant in Guizhou Plateau.BMC plant biology · 2024Article
- Climatic factors, but not geographic distance, promote genetic structure and differentiation of Cleistogenes squarrosa (Trin.) Keng populations.Frontiers in bioinformatics · 2024Article
- Analysis of the Genetic Diversity in Tea Plant Germplasm in Fujian Province Based on Restriction Site-Associated DNA Sequencing.Plants (Basel, Switzerland) · 2023Article
- Genome-wide diversity evaluation and core germplasm extraction in ex situ conservation: A case of goldenEvolutionary applications · 2023Article
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10 authors.
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Abstract
backgroundTea plants originated in southwestern China. Guizhou Plateau is an original center of tea plants, and is rich in germplasm resources. However, the genetic diversity, population structure and distribution characteristics of cultivated-type tea plants in the region are unknown. In this study, we explored the genetic diversity and geographical distribution of cultivated-type tea accessions in Guizhou Plateau.
resultsWe used 112,072 high-quality genotyping-by-sequencing to analyze the genetic diversity, principal components, phylogeny, population structure, and linkage disequilibrium, and develop a core collection of 253 cultivated-type tea plant accessions from Guizhou Plateau. The results showed Genetic diversity of the cultivated-type tea accessions of the Pearl River Basin was significantly higher than that of the cultivated-type tea accessions of the Yangtze River Basin. Three inferred pure groups (CG-1, CG-2 and CG-3) and one inferred admixture group (CG-4), were identified by a population structure analysis, and verified by principal component and phylogenetic analyses. The highest genetic distance and differentiation coefficients were determined for CG-2 vs CG-3. The lower genetic distance and differentiation coefficients were determined for CG-4 vs CG-2 and CG-4 vs CG-3, respectively. We developed a core set and a primary set. The primary and core sets contained 77.0 and 33.6% of all individuals in the initial set, respectively. The primary set may serve as the primary population in genome-wide association studies, while the core collection may serve as the core population in multiple treatment setting studies.
conclusionsThe present study demonstrated the genetic diversity and geographical distribution characteristics of cultivated-type tea plants in Guizhou Plateau. Significant differences in genetic diversity and evolutionary direction were detected between the ancient landraces of the Pearl River Basin and the those of the Yangtze River Basin. Major rivers and ancient hubs were largely responsible for the genetic exchange between the Pearl River Basin and the Yangtze River Basin ancient landraces as well as the formation of the ancient hubs evolutionary group. Genetic diversity, population structure and core collection elucidated by this study will facilitate further genetic studies, germplasm protection, and breeding of tea plants.
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