Evidence map›Paper›PMID 26311734›Full record

ArticleAoB PLANTS2015

Diversity and population structure of a dominant deciduous tree based on morphological and genetic data.

Qin-di Zhang, Rui-Zhi Jia, Chao Meng, Chao-Wen Ti, Yi-Ling Wang

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Article in AoB PLANTS, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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3citing papers in PubMed
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3 · Its place in the literature

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3 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Qin-di ZhangCollege of Life Sciences, Shanxi Normal University, Linfen 041000, China.
Rui-Zhi JiaCollege of Life Sciences, Shanxi Normal University, Linfen 041000, China.
Chao MengCollege of Life Sciences, Shanxi Normal University, Linfen 041000, China.
Chao-Wen TiCollege of Life Sciences, Shanxi Normal University, Linfen 041000, China.
Yi-Ling WangCollege of Life Sciences, Shanxi Normal University, Linfen 041000, China ylwangbj@hotmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Knowledge of the genetic diversity and structure of tree species across their geographic ranges is essential for sustainable use and management of forest ecosystems. Acer grosseri Pax., an economically and ecologically important maple species, is mainly distributed in North China. In this study, the genetic diversity and population differentiation of 24 natural populations of this species were evaluated using sequence-related amplified polymorphism markers and morphological characters. The results show that highly significant differences occurred in 32 morphological traits. The coefficient of variation of 34 characters was 18.19 %. Principal component analysis indicated that 18 of 34 traits explained 60.20 % of the total variance. The phenotypic differentiation coefficient (VST) was 36.06 % for all morphological traits. The Shannon-Wiener index of 34 morphological characters was 6.09, while at the population level, it was 1.77. The percentage of polymorphic bands of all studied A. grosseri populations was 82.14 %. Nei's gene diversity (He) and Shannon's information index (I) were 0.35 and 0.50, respectively. Less genetic differentiation was detected among the natural populations (GST = 0.20, ΦST = 0.10). Twenty-four populations of A. grosseri formed two main clusters, which is consistent with morphological cluster analysis. Principal coordinates analysis and STRUCTURE analysis supported the UPGMA-cluster dendrogram. There was no significant correlation between genetic and geographical distances among populations. Both molecular and morphological data suggested that A. grosseri is rich in genetic diversity. The high level of genetic variation within populations could be affected by the biological characters, mating system and lifespan of A. grosseri, whereas the lower genetic diversity among populations could be caused by effective gene exchange, selective pressure from environmental heterogeneity and the species' geographical range.

Indexed as

Acer grosseri Pax.genetic diversitygenetic structuremorphological traitssequence-related amplified polymorphism (SRAP)

Identifiers

PMID26311734
PMCPMC4621740

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