Whole-genome resequencing reveals the origin of tea in Lincang.
Camellia sinensis
SNPs
origin
population structure
whole genome re-sequencing
Journal
Frontiers in plant science
ISSN: 1664-462X
Titre abrégé: Front Plant Sci
Pays: Switzerland
ID NLM: 101568200
Informations de publication
Date de publication:
2022
2022
Historique:
received:
02
07
2022
accepted:
22
08
2022
entrez:
3
10
2022
pubmed:
4
10
2022
medline:
4
10
2022
Statut:
epublish
Résumé
Phylogeographic, population genetics and diversity analysis are crucial for local tea resource conservation and breeding programs. Lincang in Yunnan has been known as the possible place of domestication for tea worldwide, yet, its genetic makeup and unique Lincang origin are little understood. Here, we reported a large-scale whole-genome resequencing based population genomic analysis in eight main tea-producing areas of Lincang in Yunnan (1,350 accessions), and the first comprehensive map of tea genome variation in Lincang was constructed. Based on the population structure, tea sample in Lincang was divided into three subgroups, and inferred Xigui and Nahan Tea Mountain in Linxiang, Baiying Mountain Ancient Tea Garden in Yun, and Jinxiu Village of Xiaowan Town in Fengqing, which belong to the birthplace of the three subgroups, were all likely to be the origin center of Lincang tea. Meanwhile, the history population sizes analysis show that similar evolutionary patterns were observed for the three subgroups of Lincang. It also was observed that the hybrid among eight areas of Lincang was noticeable, resulting in insignificant genetic differentiation between geographical populations and low genetic diversity. The findings of this study clarified the genetic make-up and evolutionary traits of the local population of tea, which gave some insight into the development of Lincang tea.
Identifiants
pubmed: 36186029
doi: 10.3389/fpls.2022.984422
pmc: PMC9520660
doi:
Types de publication
Journal Article
Langues
eng
Pagination
984422Informations de copyright
Copyright © 2022 Lei, Yang, Duan, Ning, Li, Wang, Xiang, Yang, Wang, Zhang, Zhang, Ye, Kui, Singh, Sheng and Dong.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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