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Genetic diversity of Horsfieldia tetratepala (Myristicaceae), an endangered Plant Species with Extremely Small Populations to China: implications for its conservation
Cai, Chaonan1,2; Xiao, Jianhua2,3; Ci, Xiuqin2,4; Conran, John G.; Li, Jie2,4
2021
Source PublicationPLANT SYSTEMATICS AND EVOLUTION
ISSN0378-2697
Volume307Issue:4Pages:-
Abstract

Genetic variation determines the evolutionary potential of a species and is vital for fully understanding the evolution of a species, as well as for developing optimal conservation strategies. Horsfieldia tetratepala is classified as a Plant Species with Extremely Small Populations (PSESP) in China where it is an economically important rainforest tree, but it has declined sharply, mainly caused by habitat destruction and is now an endangered, narrow endemic. Effective conservation strategies for H. tetratepala are required urgently, but limited information exists about its genetic diversity. Accordingly, restriction site-associated DNA sequencing (RAD-seq) was used to sequence sixty-three H. tetratepala trees covering ten isolated populations to assess genomic diversity and population structure. The survey generated 8103 high-quality SNPs, analysis of which revealed low genetic diversity and moderate genetic differentiation among populations. However, Bayesian clustering of the sampled H. tetratepala populations produced two genetic clusters, though with some populations from Guangxi and Yunnan intermixed. Because of the increase in habitat fragmentation and human disturbance, conservation priority should be placed on populations with higher genetic variation (e.g., BB, TKH, DWS, and GLQ), allowing the formulation of more effective conservation strategies for this PSESP species.

KeywordConservation Horsfieldia tetratepala Plant Species with Extremely Small Populations (PSESP) Population genetics Restriction site-associated DNA sequencing (RAD-seq)
Subject AreaPlant Sciences ; Evolutionary Biology
DOI10.1007/s00606-021-01774-z
Indexed BySCI
Language英语
WOS IDWOS:000674614200001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/12322
Collection植物系统与保护生物学研究组
Affiliation1.Taizhou Univ, Sch Adv Study, Taizhou 318000, Zhejiang, Peoples R China
2.Taizhou Univ, Zhejiang Prov Key Lab Plant Evolutionary Ecol & C, Taizhou 318000, Zhejiang, Peoples R China
3.Chinese Acad Sci, Plant Phylogenet & Conservat Grp, Ctr Integrat Conservat, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Ctr Conservat Biol, Core Bot Gardens, Mengla 666303, Peoples R China
6.Conran, John G.] Univ Adelaide, Sch Biol Sci, Australian Ctr Evolutionary Biol & Biodivers ACEB, Adelaide, SA 5005, Australia
7.Conran, John G.] Univ Adelaide, Sch Biol Sci, Sprigg Geobiol Ctr SGC, Adelaide, SA 5005, Australia
Recommended Citation
GB/T 7714
Cai, Chaonan,Xiao, Jianhua,Ci, Xiuqin,et al. Genetic diversity of Horsfieldia tetratepala (Myristicaceae), an endangered Plant Species with Extremely Small Populations to China: implications for its conservation[J]. PLANT SYSTEMATICS AND EVOLUTION,2021,307(4):-.
APA Cai, Chaonan,Xiao, Jianhua,Ci, Xiuqin,Conran, John G.,&Li, Jie.(2021).Genetic diversity of Horsfieldia tetratepala (Myristicaceae), an endangered Plant Species with Extremely Small Populations to China: implications for its conservation.PLANT SYSTEMATICS AND EVOLUTION,307(4),-.
MLA Cai, Chaonan,et al."Genetic diversity of Horsfieldia tetratepala (Myristicaceae), an endangered Plant Species with Extremely Small Populations to China: implications for its conservation".PLANT SYSTEMATICS AND EVOLUTION 307.4(2021):-.
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