Mitochondrial DNA suggests uniqueness of an isolated population of the Italian minnow (Phoxinus lumaireul Schinz, 1840) (Teleostei: Cyprinidae) in central Apennines (Italy)
V. Caputo Barucchi, M. Marconi, A. Splendiani, S. Casari, M. Girardi, A. Gandolfi
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Abstract
Abstract Two mitochondrial genes (cytochrome oxidase I and cytochrome b) were examined to compare an isolated population of the Italian minnow in the central Apennines to other populations in the species’ range (Po plain) and other European minnow species. Both mitochondrial markers showed a new haplotype, fixed in a sample of 30 specimens, never observed in the main species distribution range, and ostensibly divergent from other Italian minnow haplotypes. The result suggests a long history of isolation, probably preceding the Holocene retreat northwards of the Po River. This relict population is now at serious extinction risk owing to habitat loss and predation by alien trout restocked into the wild for recreational fishing purposes.
期刊介绍：
The European Zoological Journal (previously Italian Journal of Zoology) is an open access journal devoted to the study of all aspects of basic, comparative and applied protozoan and animal biology at molecular, cellular, tissue, organ, organismal, population, and community-ecosystem level. Papers covering multiple levels of organization and integrative approaches to study animal form, function, development, ecology, evolution and systematics are welcome. First established in 1930 under the name of Il Bollettino di Zoologia, the journal now has an international focus, reflected through its global editorial board, and wide author and readership.
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