Monitoring the genetic diversity in holothurian populations from the Italian coasts with mitochondrial DNA sequences.

Autor: Ribani A; Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy. anisa.ribani2@unibo.it., Taurisano V; Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy., Rakaj A; Laboratory of Experimental Ecology and Aquaculture, Department of Biology, University of Rome Tor Vergata, Rome, Italy., Fianchini A; Laboratory of Experimental Ecology and Aquaculture, Department of Biology, University of Rome Tor Vergata, Rome, Italy., Grosso L; Laboratory of Experimental Ecology and Aquaculture, Department of Biology, University of Rome Tor Vergata, Rome, Italy., Pensa D; Laboratory of Experimental Ecology and Aquaculture, Department of Biology, University of Rome Tor Vergata, Rome, Italy., Pulcini D; Centro di ricerca 'Zootecnia e Acquacoltura', Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA), 00015, Monterotondo (Rome), Italy., Buttazzoni L; Centro di ricerca 'Zootecnia e Acquacoltura', Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA), 00015, Monterotondo (Rome), Italy., Schiavo G; Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy., Bovo S; Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy., Bertolini F; Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy., Utzeri VJ; Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy., Tinti F; Department of Biological, Geological, and Environmental Sciences, University of Bologna, Via S. Alberto 163, 48123, Ravenna, Italy., Capoccioni F; Centro di ricerca 'Zootecnia e Acquacoltura', Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA), 00015, Monterotondo (Rome), Italy., Fontanesi L; Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy. luca.fontanesi@unibo.it.
Jazyk: angličtina
Zdroj: Scientific reports [Sci Rep] 2024 Oct 19; Vol. 14 (1), pp. 24592. Date of Electronic Publication: 2024 Oct 19.
DOI: 10.1038/s41598-024-76087-5
Abstrakt: Sea cucumbers are deposit feeding members of marine benthic communities. The over-exploitation of sea cucumber natural stocks, especially in the Mediterranean basin, is having negative impacts on the marine ecosystem. This concerns had led the Italian government to take legal actions to preserve these important marine resources. The aim of this study was to evaluate the level of genetic diversity and population structures within two sympatric Holothuria sea cucumber species, H. polii and H. tubulosa, across ten Mediterranean areas along Italy. A 323 bp portion of the COI mitochondrial gene was sequenced in a total of 441 holothurians (251 H. polii, 177 H. tubulosa and 13 from other species). Genetic diversity analyses and analysis of molecular variance (AMOVA) suggest that H. polii and H. tubulosa species are distinct, but within and among populations are homogeneous, indicating active gene flows across the Mediterranean areas investigated. H. polii showed a lower genetic diversity than H. tubulosa, probably related to differences in life history traits. Phylogenetic analyses showed a clear differentiation between the two species, even if six specimens morphologically assigned to a species clustered within the other species, indicating a possible occurrence of hybridization events. These data will be useful in implementing conservation actions for these holothurian genetic resources.
(© 2024. The Author(s).)
Databáze: MEDLINE
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