Biochemical genetic differentiation between Pomatoschistus marmoratus and P. tortonesei (Pisces, Gobiidae).

6533b7dcfe1ef96bd1271c43

RESEARCH PRODUCT

Biochemical genetic differentiation between Pomatoschistus marmoratus and P. tortonesei (Pisces, Gobiidae).

M. Arculeo A. Mauro S. Lo Brutto Mirto S M. Cammarata A. Mazzola N. Parrinello

subject

genetic distance allozymes; species differentiation; genetic distance; Pomatoschistus; Mediterranean Sea.species differentiation Settore BIO/05 - Zoologia Mediterranean Sea.allozyme Pomatoschistu

description

Several diagnostic genetic markers were identified in Pomatoschistus marmoratus and P. tortonesei using polyacrylamide gel electrophoresis (PAGE) of allozymes. Twenty-one loci were resolved, including the electrophoretic pattern of muscle proteins. The MDH*, PGM- 1,2*, EST-1,2*, FUM* and PGI-2* loci exhibited different alleles which were fixed for the two species being analysed. Genetic distance, as calculated by Nei’s index, showed a value of 0·413. Environmental hypersalinity, could have influenced the geographical distribution of P. tortonesei.

year	journal	country	edition	language
1999-01-01

http://hdl.handle.net/10447/61497

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