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Population structure analysis to explore genetic diversity and geographical distribution characteristics of wild tea plant in Guizhou Plateau.
He, Limin; Luo, Jing; Niu, Suzhen; Bai, Dingchen; Chen, Yanjun.
Afiliación
  • He L; College of Tea Science / Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou Province, 550025, People's Republic of China.
  • Luo J; College of Tea Science / Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou Province, 550025, People's Republic of China.
  • Niu S; College of Tea Science / Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou Province, 550025, People's Republic of China. niusuzhen@163.com.
  • Bai D; Key Laboratory of Plant Resources Conservation and Germplasm Innovation in Mountainous Region, Guizhou University, Ministry of Education, Institute of Agro-Bioengineering, Guiyang, 550025, Guizhou Province, People's Republic of China. niusuzhen@163.com.
  • Chen Y; College of Tea Science / Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou Province, 550025, People's Republic of China.
BMC Plant Biol ; 23(1): 255, 2023 May 16.
Article en En | MEDLINE | ID: mdl-37189087
BACKGROUND: Tea, the second largest consumer beverage in the world after water, is widely cultivated in tropical and subtropical areas. However, the effect of environmental factors on the distribution of wild tea plants is unclear. RESULTS: A total of 159 wild tea plants were collected from different altitudes and geological types of the Guizhou Plateau. Using the genotyping-by-sequencing method, 98,241 high-quality single nucleotide polymorphisms were identified. Genetic diversity, population structure analysis, principal component analysis, phylogenetic analysis, and linkage disequilibrium were performed. The genetic diversity of the wild tea plant population from the Silicate Rock Classes of Camellia gymnogyna was higher than that from the Carbonate Rock Classes of Camellia tachangensis. In addition, the genetic diversity of wild tea plants from the second altitude gradient was significantly higher than that of wild tea plants from the third and first altitude gradients. Two inferred pure groups (GP01 and GP02) and one inferred admixture group (GP03) were identified by population structure analysis and were verified by principal component and phylogenetic analyses. The highest differentiation coefficients were determined for GP01 vs. GP02, while the lowest differentiation coefficients were determined for GP01 vs. GP03. CONCLUSIONS: This study revealed the genetic diversity and geographical distribution characteristics of wild tea plants in the Guizhou Plateau. There are significant differences in genetic diversity and evolutionary direction between Camellia tachangensis with Carbonate Rock Classes at the first altitude gradient and Camellia gymnogyna with Silicate Rock Classes at the third altitude gradient. Geological environment, soil mineral element content, soil pH, and altitude markedly contributed to the genetic differentiation between Camellia tachangensis and Camellia gymnogyna.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Camellia / Camellia sinensis Tipo de estudio: Prognostic_studies Idioma: En Revista: BMC Plant Biol Asunto de la revista: BOTANICA Año: 2023 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Camellia / Camellia sinensis Tipo de estudio: Prognostic_studies Idioma: En Revista: BMC Plant Biol Asunto de la revista: BOTANICA Año: 2023 Tipo del documento: Article Pais de publicación: Reino Unido