IB-CAS  > 系统与进化植物学国家重点实验室
Population genetics and evolutionary history of Miscanthus species in China
Li, Shan-Shan; Zhou, Hai-Fei; Chen, Wen-Li; Yan, Juan; Cai, Zhe; Wei, Ruo-Xun; Chen, Chih-Hui; Han, Bin5,6; Li, Jian-Qiang; Sang, Tao; Ge, Song2
AbstractMiscanthus species have received considerable attention as a potential biomass source for renewable energy production because of their ability to produce high yields of biomass and adapt to a wide range of climates and soils. To explore the genetic diversity and phylogenetic relationship of Miscanthus species in China, we used 24 simple sequence repeat markers to genotype 100 natural populations representing all four Chinese Miscanthus species (M. sinensis Andersson, M. floridulus (Lab.) Warb. ex K. Schum. & Lauterb., M. sacchariflorus (Maxim.) Hack., and M. lutarioriparius L. Liu ex Renvoize & S. L. Chen). Based on phylogenetic, principal coordinate, and Structure analyses, we found that the 100 populations formed two major groups corresponding to sect. Triarrhena and sect. Miscanthus. Group 1 (i.e., sect. Triarrhena) was further subdivided into two subgroups corresponding to M. sacchariflorus and M. lutarioriparius; Group 2 (i.e., sect. Miscanthus) was subdivided into three subgroups, group 2a (M. sinensis populations in southern China), group 2b (M. sinensis populations in northern China), and group 2c (all the M. floridulus populations). Population genetics analyses indicated high levels of the genetic diversity at both population (H-E = 0.468-0.599) and species (H-E = 0.559-0.708) levels, indicative of the potential of these wild resources in future breeding programs. The species distribution modeling showed that M. sacchariflorus and M. lutarioriparius have experienced population reductions during the last glacial maximum and population expansion afterward; in contrast, M. sinensis and M. floridulus both underwent gradual population expansions from the last interglaciation to the present. We also suggest that M. floridulus originated from M. sinensis in southeast China through ecological speciation. The understanding of the evolutionary history and population dynamics of these species not only provides valuable information for further genetic improvement and breeding of this energy crop but also gives important insights into the origin and speciation processes of the Miscanthus species.
Keywordenergy crop genetic structure Miscanthus population dynamics speciation
Subject AreaPlant Sciences
Indexed BySCI
WOS Research AreaPlant Sciences
WOS IDWOS:000477302200001
Publication PlaceHOBOKEN
Funding OrganizationChinese Academy of SciencesChinese Academy of Sciences [KZCX2-YW-034] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91131902, 31470300] ; Project for Autonomous Deployment of the Wuhan Botanical Garden [55Y755271G02]
Corresponding Author Emailgesong@ibcas.ac.cn
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
2.Dezhou Coll, Dezhou 253000, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Plant Germplasm Enhancement & Special Agr, Wuhan 430074, Hubei, Peoples R China
5.Endem Species Res Inst, Nantou, Peoples R China
6.Chinese Acad Sci, Shanghai Inst Biol Sci, Natl Ctr Gene Res, Shanghai 200233, Peoples R China
7.Chinese Acad Sci, Shanghai Inst Biol Sci, Inst Plant Physiol & Ecol, Shanghai 200233, Peoples R China
Recommended Citation
GB/T 7714
Li, Shan-Shan,Zhou, Hai-Fei,Chen, Wen-Li,et al. Population genetics and evolutionary history of Miscanthus species in China[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2019,57(5):530-542.
APA Li, Shan-Shan.,Zhou, Hai-Fei.,Chen, Wen-Li.,Yan, Juan.,Cai, Zhe.,...&Ge, Song.(2019).Population genetics and evolutionary history of Miscanthus species in China.JOURNAL OF SYSTEMATICS AND EVOLUTION,57(5),530-542.
MLA Li, Shan-Shan,et al."Population genetics and evolutionary history of Miscanthus species in China".JOURNAL OF SYSTEMATICS AND EVOLUTION 57.5(2019):530-542.
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