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Controllo genetico della fosfoesosoisomerasi (Phi) in Tisbe clodiensis (Copepoda, Harpacticoida)

Paolo M. Bisol;  Vittorio Varotto;  Bruno Battaglia — 1976

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

A method is described which permits the application of electrophoretic techniques for the study of enzyme polymorphisms to single individuals of the Copepod Tisbe. The method has been tested with F and, occasionally, F individuals obtained by crossings between two geographic populations of T. clodiensis. The electrophoretic analysis carried out for the Phi, shows that this enzyme is under the control of three codominant alleles at the same locus. Gene frequencies in the two populations have been...

Polimorfismi enzimatici in Gammarus insensibilis. II. Controllo genetico e caratterizzazione delle esterasi

Paolo Maria Bisol;  Bruno Battaglia;  Giuseppe Bovo — 1977

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

The difficulty of understanding the esterase patterns in the Amphipod Gammarus insensibilis, due to the differential activities for various bands, has been overcome by employing several inhibitors and substrates. Thus five loci coding for arylesterase, acetyl esterase, cholinesterase, carboxilesterase have been identified. The results of some crossing also show that the arylesterase locus is represented by three codominant alleles and that the enzyme has a dimeric subunit structure.

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