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Influence of environmental factors on the genetic variation of the aquatic macrophyte Ranunculus subrigidus on the Qinghai-Tibetan Plateau
Wu, Zhigang1; Xu, Xinwei2; Zhang, Juan2; Wiegleb, Gerhard3; Hou, Hongwei1
2019-12-19
Source PublicationBMC EVOLUTIONARY BIOLOGY
ISSN1471-2148
Volume19Issue:1Pages:11
Abstract

Background: Due to the environmental heterogeneity along elevation gradients, alpine ecosystems are ideal study objects for investigating how ecological variables shape the genetic patterns of natural species. The highest region in the world, the Qinghai-Tibetan Plateau, is a hotspot for the studies of evolutionary processes in plants. Many large rivers spring from the plateau, providing abundant habitats for aquatic and amphibious organisms. In the present study, we examined the genetic diversity of 13 Ranunculus subrigidus populations distributed throughout the plateau in order to elucidate the relative contribution of geographic distance and environmental dissimilarity to the spatial genetic pattern. Results: A relatively low level of genetic diversity within populations was found. No spatial genetic structure was suggested by the analyses of molecular variance, Bayesian clustering analysis and Mantel tests. Partial Mantel tests and multiple matrix regression analysis showed a significant influence of the environment on the genetic divergence of the species. Both climatic and water quality variables contribute to the habitat heterogeneity of R. subrigidus populations. Conclusions: Our results suggest that historical processes involving long-distance dispersal and local adaptation may account for the genetic patterns of R. subrigidus and current environmental factors play an important role in the genetic differentiation and local adaptation of aquatic plants in alpine landscapes.

KeywordAlpine wetland Aquatic plant Genetic diversity Isolation-by-environment Ranunculus section Batrachium
DOI10.1186/s12862-019-1559-0
Indexed BySCI
Language英语
WOS Research AreaEvolutionary Biology ; Genetics & Heredity
WOS SubjectEvolutionary Biology ; Genetics & Heredity
WOS IDWOS:000511295800001
WOS KeywordLANDSCAPE GENETICS ; SPECIES RICHNESS ; SUBMERGED MACROPHYTE ; SUBGENUS BATRACHIUM ; LOCAL ADAPTATION ; POPULATION ; DIFFERENTIATION ; PLANT ; DISPERSAL ; PATTERNS
PublisherBMC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35141
Collection水生生物分子与细胞生物学研究中心_期刊论文
Corresponding AuthorHou, Hongwei
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
2.Wuhan Univ, Coll Life Sci, Wuhan, Peoples R China
3.Brandenburg Univ Technol Cottbus Senftenberg, Fac Environm & Nat Sci, Dept Ecol, Cottbus, Germany
Recommended Citation
GB/T 7714
Wu, Zhigang,Xu, Xinwei,Zhang, Juan,et al. Influence of environmental factors on the genetic variation of the aquatic macrophyte Ranunculus subrigidus on the Qinghai-Tibetan Plateau[J]. BMC EVOLUTIONARY BIOLOGY,2019,19(1):11.
APA Wu, Zhigang,Xu, Xinwei,Zhang, Juan,Wiegleb, Gerhard,&Hou, Hongwei.(2019).Influence of environmental factors on the genetic variation of the aquatic macrophyte Ranunculus subrigidus on the Qinghai-Tibetan Plateau.BMC EVOLUTIONARY BIOLOGY,19(1),11.
MLA Wu, Zhigang,et al."Influence of environmental factors on the genetic variation of the aquatic macrophyte Ranunculus subrigidus on the Qinghai-Tibetan Plateau".BMC EVOLUTIONARY BIOLOGY 19.1(2019):11.
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