Genetically depauperate in the continent but rich in oceanic islands: Cistus monspeliensis (Cistaceae) in the Canary Islands

Population genetic theory holds that oceanic island populations are expected to have lower levels of genetic variation than their mainland counterparts, due to founder effect after island colonization from the continent. Cistus monspeliensis (Cistaceae) is distributed in both the Canary Islands and...

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Published in:PloS one 2011-02, Vol.6 (2), p.e17172-e17172
Main Authors: Fernández-Mazuecos, Mario, Vargas, Pablo
Format: Article
Language:English
Subjects:
Biology
Chloroplasts
Cistaceae
Cistus - classification
Cistus - genetics
Cistus grancanariae
Cistus monspeliensis
Colonization
Deoxyribonucleic acid
Dispersal
DNA
Evolution
Founder effect
Gene sequencing
Genetic diversity
Genetic Variation
Geography
Haplotypes
Hypotheses
Introduced Species - statistics & numerical data
Islands
Melastomataceae
Nucleotide sequence
Oceanic islands
Oceans and Seas
Phylogenetics
Phylogeny
Phylogeography
Pinus canariensis
Pleistocene
Plumbaginaceae
Population genetics
Populations
Quaternary
Spain
Volcanology
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description Population genetic theory holds that oceanic island populations are expected to have lower levels of genetic variation than their mainland counterparts, due to founder effect after island colonization from the continent. Cistus monspeliensis (Cistaceae) is distributed in both the Canary Islands and the Mediterranean region. Numerous phylogenetic results obtained in the last years allow performing further phylogeographic analyses in Cistus. We analyzed sequences from multiple plastid DNA regions in 47 populations of Cistus monspeliensis from the Canary Islands (21 populations) and the Mediterranean basin (26 populations). The time-calibrated phylogeny and phylogeographic analyses yielded the following results: (1) a single, ancestral haplotype is distributed across the Mediterranean, whereas 10 haplotypes in the Canary Islands; (2) four haplotype lineages are present in the Canarian Islands; (3) multiple colonization events across the archipelago are inferred; (4) the earliest split of intraspecific lineages occurred in the Early to Middle Pleistocene (
doi_str_mv 10.1371/journal.pone.0017172
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Cistus monspeliensis (Cistaceae) is distributed in both the Canary Islands and the Mediterranean region. Numerous phylogenetic results obtained in the last years allow performing further phylogeographic analyses in Cistus. We analyzed sequences from multiple plastid DNA regions in 47 populations of Cistus monspeliensis from the Canary Islands (21 populations) and the Mediterranean basin (26 populations). The time-calibrated phylogeny and phylogeographic analyses yielded the following results: (1) a single, ancestral haplotype is distributed across the Mediterranean, whereas 10 haplotypes in the Canary Islands; (2) four haplotype lineages are present in the Canarian Islands; (3) multiple colonization events across the archipelago are inferred; (4) the earliest split of intraspecific lineages occurred in the Early to Middle Pleistocene (&lt;930,000 years BP). 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subjects Biology
Chloroplasts
Cistaceae
Cistus - classification
Cistus - genetics
Cistus grancanariae
Cistus monspeliensis
Colonization
Deoxyribonucleic acid
Dispersal
DNA
Evolution
Founder effect
Gene sequencing
Genetic diversity
Genetic Variation
Geography
Haplotypes
Hypotheses
Introduced Species - statistics & numerical data
Islands
Melastomataceae
Nucleotide sequence
Oceanic islands
Oceans and Seas
Phylogenetics
Phylogeny
Phylogeography
Pinus canariensis
Pleistocene
Plumbaginaceae
Population genetics
Populations
Quaternary
Spain
Volcanology
title Genetically depauperate in the continent but rich in oceanic islands: Cistus monspeliensis (Cistaceae) in the Canary Islands
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