NDLI: Complex population genetic structure in the endemic Canary Island pine revealed using chloroplast microsatellite markers

Content Provider	Springer Nature Link
Author	Gómez, A. González Martínez, S. C. Collada, C. Climent, J. Gil, L.
Copyright Year	2003
Abstract	The Canary archipelago, located on the northwestern Atlantic coast of Africa, is comprised of seven islands aligned from east to west, plus seven minor islets. All the islands were formed by volcanic eruptions and their geological history is well documented providing a historical framework to study colonization events. The Canary Island pine (Pinus canariensis C. Sm.), nowadays restricted to the westernmost Canary Islands (Gran Canaria, Tenerife, La Gomera, La Palma and El Hierro), is considered an old (Lower Cretaceous) relic from an ancient Mediterranean evolutionary centre. Twenty seven chloroplast haplotypes were found in Canary Island pine but only one of them was common to all populations. The distribution of haplotypic variation in P. canariensis suggested the colonization of western Canary Islands from a single continental source located close to the Mediterranean Basin. Present-day populations of Canary Island pine retain levels of genetic diversity equivalent to those found in Mediterranean continental pine species, Pinus pinaster and Pinus halepensis. A hierarchical analysis of variance (AMOVA) showed high differentiation among populations within islands (approximately 19%) but no differentiation among islands. Simple differentiation models such as isolation by distance or stepping-stone colonization from older to younger islands were rejected based on product-moment correlations between pairwise genetic distances and both geographic distances and population-age divergences. However, the distribution of cpSSR diversity within the islands of Tenerife and Gran Canaria pointed towards the importance of the role played by regional Pliocene and Quaternary volcanic activity and long-distance gene flow in shaping the population genetic structure of the Canary Island pine. Therefore, conservation strategies at the population level are strongly recommended for this species.
Starting Page	1123
Ending Page	1131
Page Count	9
File Format	PDF
ISSN	00405752
Journal	Theoretical and Applied Genetics
Volume Number	107
Issue Number	6
e-ISSN	14322242
Language	English
Publisher	Springer-Verlag
Publisher Date	2003-10-02
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Colonization Gene diversity Genetic structure Pinus canariensis Oceanic islands
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Biotechnology Agronomy and Crop Science

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Genetic Diversity of the Endemic Canary Island Pine Tree, Pinus canariensis

Genetic Diversity of the Endemic Canary Island Pine Tree, Pinus canariensis

Data from: Genetic diversity of the endemic Canary Island pine tree, Pinus canariensis (Ph.D. thesis) (Dataset)

The effect of altitude on the pattern of gene flow in the endemic canary island pine, pinus canariensis (2007).

Genetic Diversity of the Endemic Canary Island Pine Tree, Pinus canariensis

2 natural recovery of genetic diversity by gene flow in reforested areas of the endemic canary island pine, pinus canariensis 3 (2008).

Patterns of genetic diversity in Phoenix canariensis, a widespread oceanic palm (species) endemic from the Canarian archipelago

The Effect of Altitude on the Pattern of Gene Flow in the Endemic Canary Island Pine, Pinus canariensis

The effect of altitude on patterns of gene flow in the endemic Canary Island pine, Pinus canariensis

Complex population genetic structure in the endemic Canary Island pine revealed using chloroplast microsatellite markers

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