Microevolutionary processes in the stygobitic genus Typhlocirolana (Isopoda Flabellifera Cirolanidae) as inferred by partial 12S and 16S rDNA sequences (Articolo in rivista)

Type
Label
  • Microevolutionary processes in the stygobitic genus Typhlocirolana (Isopoda Flabellifera Cirolanidae) as inferred by partial 12S and 16S rDNA sequences (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Alternative label
  • M. Baratti; M. Yacoubi Khebiza; G. Messana. (2004)
    Microevolutionary processes in the stygobitic genus Typhlocirolana (Isopoda Flabellifera Cirolanidae) as inferred by partial 12S and 16S rDNA sequences
    in Journal of zoological systematics and evolutionary research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Baratti; M. Yacoubi Khebiza; G. Messana. (literal)
Pagina inizio
  • 27 (literal)
Pagina fine
  • 32 (literal)
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  • 42 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
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  • Department of Animal Biology and Genetics 'Leo Pardi', University of Florence, Florence, Italy; Hydrobiology and Subterranean Ecology, University of Marrakech, Morocco; CNR-ISE, Florence, Italy. (literal)
Titolo
  • Microevolutionary processes in the stygobitic genus Typhlocirolana (Isopoda Flabellifera Cirolanidae) as inferred by partial 12S and 16S rDNA sequences (literal)
Abstract
  • Morocco is one of the regions of the world where many interesting discoveries have recently been made in the field of stygobiology, particularly concerning the cirolanid isopod fauna. One of the most interesting, variable and wide spread of these taxa is the perimediterranean stygobitic genus Typhlocirolana Racovitza, 1905, which has colonized the continental groundwater of Israel, Sicily, Spain, the Balearic Islands, Algeria and Morocco with several species. More populations have recently been found in Morocco, in some southern regions around Agadir, in High Atlas valleys near Marrakech and in the northeastern part of the country close to Oujda. The populations of these zones are not yet described and are the subject of this molecular analysis, together with other already designated species. To investigate the phylogenetic relationships and evolutionary history of the Typhlocirolana populations inhabiting the western Mediterranean basin, we analysed DNA sequences from the mitochondrial 12S and 16S rDNA genes. The molecular data were also used to infer the mechanisms driving the evolution of this thalassoid limnostygobitic cirolanid taxon, considered a good paleogeographic indicator because of its poor dispersion abilities. Vicariance because of paleogeographic events in the western Mediterranean basin played a prime evolutionary role in the Cirolanidae, as already suggested by morphological and ecological studies. Application of a molecular clock provided a time framework of the microevolutionary events occurring in Typhlocirolana populations over the last 40 myr. (literal)
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