NDLI: High genetic diversity and significant population structure in Cedrus brevifolia Henry, a narrow endemic Mediterranean tree from Cyprus

Content Provider	Springer Nature Link
Author	Eliades, Nicolas George Homer Gailing, Oliver Leinemann, Ludger Fady, Bru Finkeldey, Reiner
Copyright Year	2011
Abstract	Endemic island plant species with a narrow distribution are often, but not always, linked to low genetic variation within populations and a lack of differentiation among populations. Cedrus brevifolia is a narrow endemic island tree species of Cyprus. Its range is restricted to a single forest, divided into five neighbouring sites. This study, using biparentally inherited nuclear microsatellites and paternally inherited plastid (chloroplast) microsatellites, assessed the genetic variation of C. brevifolia within its sole population and the level of genetic differentiation among formed sites. The results from both markers showed high diversity (nuclear H T = 0.70; plastid H T = 0.93), strongly suggesting that the species did not experience severe bottleneck events or extensive genetic drift. Besides, the maintenance of a high genetic diversity in C. brevifolia may suggest that it originates from a widespread congener species. Significant genetic differentiation at nuclear (G ST = 0.052) and plastid (G ST = 0.119) markers was found among the formed sites. Remarkably, the relatively high genetic differentiation found at plastid markers was comparable to values observed in two widespread congener cedar species. The genetic differentiation probably occurred due to fragmentation of a previously uniform population. This would lead to the shaping of different genetic groups (Bayesian analysis) and to significant population substructure. Furthermore, significant values observed for both isolation by distance and large-scale spatial genetic structure could indicate ineffective gene flow among sites and the early geographical isolation of the more isolated sites from the core population.
Starting Page	185
Ending Page	198
Page Count	14
File Format	PDF
ISSN	03782697
Journal	Plant Systematics and Evolution
Volume Number	294
Issue Number	3-4
e-ISSN	16156110
Language	English
Publisher	Springer Vienna
Publisher Date	2011-05-13
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cedrus brevifolia (Cyprus cedar) Narrow endemic Nuclear and chloroplast (plastid) microsatellites Genetic diversity Genetic differentiation Mediterranean Plant Ecology Plant Sciences Plant Systematics/Taxonomy/Biogeography Plant Anatomy/Development
Content Type	Text
Resource Type	Article
Subject	Plant Science Ecology, Evolution, Behavior and Systematics

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