Genetic diversity and differentiation of two Mediterranean pines (P. halepensis Mill. and P. pinaster Ait.) along a latitudinal cline using chloroplast microsatellite markers (Articolo in rivista)

Type
Label
  • Genetic diversity and differentiation of two Mediterranean pines (P. halepensis Mill. and P. pinaster Ait.) along a latitudinal cline using chloroplast microsatellite markers (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/j.1366-9516.2005.00152.x (literal)
Alternative label
  • Gómez A, Vendramin G.G., González-Martínez S.C., Alía R. (2005)
    Genetic diversity and differentiation of two Mediterranean pines (P. halepensis Mill. and P. pinaster Ait.) along a latitudinal cline using chloroplast microsatellite markers
    in Diversity and distributions (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gómez A, Vendramin G.G., González-Martínez S.C., Alía R. (literal)
Pagina inizio
  • 257 (literal)
Pagina fine
  • 263 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://onlinelibrary.wiley.com/doi/10.1111/j.1366-9516.2005.00152.x/pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 11 (literal)
Rivista
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Unidad de Genética Forestal, CIFOR-INIA, Carretera de La Coruña km 7.5, 28040 Madrid, Spain, Istituto di Genetica Vegetale, Sezione di Firenze, CNR, Via Madonna del Piano, 50019 Sesto Fiorentino, Firenze, Italy (literal)
Titolo
  • Genetic diversity and differentiation of two Mediterranean pines (P. halepensis Mill. and P. pinaster Ait.) along a latitudinal cline using chloroplast microsatellite markers (literal)
Abstract
  • Several studies have reported glacial refugia and migration pathways for different pine species in the Iberian Peninsula, all of them based on a single-species approach. In this paper, chloroplast microsatellites (cpSSRs) are used to compare population genetic structure and diversity estimates for interspecific pairs of populations located along a cline from southwestern (latitude 36‹32ŒN, longitude 5‹17ŒW) to northeastern Spain (latitude 42‹14ŒN, longitude 2‹47ŒE) in two widely distributed Mediterranean pines, Pinus halepensis Mill. and Pinus pinaster Ait. Some cpSSRs were shared between species, facilitating comparison of levels of gene diversity at the species level and inferences about within and among species differentiation. P. pinaster showed a much higher number of variants (29) and haplotypes (69) than P. halepensis (20 and 21, respectively). Moreover, genetic diversity estimates for interspecific pairs of populations along the cline were negatively correlated. Three main causes may explain the differences between species in the present-day distribution of genetic diversity: (1) the distribution of genetic variability before the Quaternary glaciations, with an earlier presence of P. pinaster in the Iberian Peninsula and a late spread of P. halepensis from eastern and central Europe, (2) the location of the Holocene glacial refugia and the migration pathways from these refugia to the present-day range (from northeast to southwest in P. halepensis and from southwest to northeast and northwest in P. pinaster) and (3) the interactions between species during the postglacial spread. (literal)
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