Molecular Characterization of Novel Fish Genotypes in Edible Marine Fish

Overview

Journal Microorganisms

Specialty Microbiology

Date 2020 Dec 19

PMID 33339341

Citations 3

Authors

Gabriela Certad

Alireza Zahedi

Nausicaa Gantois

Manasi Sawant

Colette Creusy

Erika Duval

Sadia Benamrouz-Vanneste

Una Ryan

Eric Viscogliosi

Affiliations

Soon will be listed here.

Abstract

Current knowledge of species/genotypes in marine fish is limited. Following phylogenetic analysis at the 18S rDNA locus, a recent study identified six new genotypes of colonizing edible fish found in European seas. Of these, five grouped in a clade together (#Cryptofish 1-5) and one grouped separately (#Cryptofish 7). In the present study, after phylogenetic analyses of #Cryptofish1, #Cryptofish2, #Cryptofish4, #Cryptofish5 and #Cryptofish7 at the actin locus, the presence of two major clades was confirmed. In addition, when possible, longer 18S amplicons were generated. In conclusion, the small genetic distances between these genotypes designated as a novel marine genotype I (#Cryptofish 1-5) suggest that they may be genetic variants of the same species, while the designated novel marine genotype 2 (#Cryptofish 7) is clearly representative of a separate species.

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