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New mitochondrial and nuclear primers for the Mediterranean marine bivalve Pinna nobilis

Sanna, Daria and Dedola, Gian Luca and Scarpa, Fabio and Lai, Tiziana and Cossu, Piero and Curini Galletti, Marco and Francalacci, Paolo and casu, ma (2014) New mitochondrial and nuclear primers for the Mediterranean marine bivalve Pinna nobilis. Mediterranean marine science, Vol. 15 (2), p. 416-422. ISSN 1108-393X. eISSN 1791-6763. Article.

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DOI: 10.12681/mms.459

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Pinna nobilis is the largest endemic Mediterranean marine bivalve. During past centuries various human activities led to the regression of its populations. As a consequence of stringent protection policies (P. nobilis is included in Annex IV of the Habitat Directive and Annex II of the Barcelona Convention), demographic expansion to many sites is currently reported. The aim of this study was to test a set of four species-specific primers designed by the authors, which could prove useful for the assessment of the genetic variability in P. nobilis. The level of polymorphism of two mitochondrial (nad3 and 12S) and two nuclear (18S and 28S) primers was thus assessed in 136 specimens from 28 Mediterranean localities. Furthermore, a comparison with the level of polymorphism obtained using the mitochondrial specific primers pairs so far available (COI and 16S) was performed. The mitochondrial gene nad3 showed the highest level of variability, which was comparable to those obtained for COI and 16S. Very low levels were detected for the mitochondrial 12S and the nuclear 18S and 28S genes. This research also showed that the use of nad3, COI and 16S concatenated sequences represents a useful tool for future studies devoted to infer the genetic variability of P. nobilis populations, thus allowing the development of effective conservation plans.

Item Type:Article
ID Code:10217
Uncontrolled Keywords:Fan mussels, Mediterranean endemic, genetic markers, specific PCR-primers
Subjects:Area 05 - Scienze biologiche > BIO/05 Zoologia
Area 05 - Scienze biologiche > BIO/18 Genetica
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Scienze della Natura e del Territorio
Publisher:Hellenic Centre for Marine Research (HCMR)
Deposited On:23 Oct 2014 14:21

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