Allozymic variation in Mediterranean hake, Merluccius merluccius (Gadidae)

Matteo Cammarata, Marco Arculeo, Nicolo' Parrinello, Sabrina Lo Brutto, Matteo Cammarata, Sabrina Lo Brutto, Michele Scalisi, Marco Arculeo, Nicolò Parrinello, Annamaria Mauro

Risultato della ricerca: Article

10 Citazioni (Scopus)

Abstract

Four hundred and twenty individual hake from 10 sample sites in the Mediterranean Sea were analysed in order to study genetic variability and identify genetic stock structure. Twenty loci were identified, four of which were polymorphic at the 95% level: ADH*, PGI‐1*, PGI‐2* and SOD‐1*. Average observed and expected heterozygosity were 0.084 and 0.090, respectively. PG1–1* deviated from Hardy‐Weinberg expectations due to an excess of heterozygotes and F‐statistic analysis showed also a significant excess of heterozygosity at SOD‐1*. FST was not significant for each locus except for PGI‐2*, where a single sample from the Channel of Sicily (C5) showed a different pattern in allelic frequencies, probably caused by a stochastic event. The samples analyzed seemed to be homogeneous, but future analyses may be necessary using other complementary molecular markers.
Lingua originaleEnglish
pagine (da-a)49-52
Numero di pagine4
RivistaTHE ITALIAN JOURNAL OF ZOOLOGY
Volume65
Stato di pubblicazionePublished - 1998

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Gadidae
Merluccius merluccius
hake
heterozygosity
loci
Sicily
Mediterranean Sea
sampling
gene frequency
genetic variation
genetic markers

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

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Allozymic variation in Mediterranean hake, Merluccius merluccius (Gadidae). / Cammarata, Matteo; Arculeo, Marco; Parrinello, Nicolo'; Lo Brutto, Sabrina; Cammarata, Matteo; Lo Brutto, Sabrina; Scalisi, Michele; Arculeo, Marco; Parrinello, Nicolò; Mauro, Annamaria.

In: THE ITALIAN JOURNAL OF ZOOLOGY, Vol. 65, 1998, pag. 49-52.

Risultato della ricerca: Article

Cammarata, M, Arculeo, M, Parrinello, N, Lo Brutto, S, Cammarata, M, Lo Brutto, S, Scalisi, M, Arculeo, M, Parrinello, N & Mauro, A 1998, 'Allozymic variation in Mediterranean hake, Merluccius merluccius (Gadidae)', THE ITALIAN JOURNAL OF ZOOLOGY, vol. 65, pagg. 49-52.
Cammarata, Matteo ; Arculeo, Marco ; Parrinello, Nicolo' ; Lo Brutto, Sabrina ; Cammarata, Matteo ; Lo Brutto, Sabrina ; Scalisi, Michele ; Arculeo, Marco ; Parrinello, Nicolò ; Mauro, Annamaria. / Allozymic variation in Mediterranean hake, Merluccius merluccius (Gadidae). In: THE ITALIAN JOURNAL OF ZOOLOGY. 1998 ; Vol. 65. pagg. 49-52.
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AU - Cammarata, Matteo

AU - Arculeo, Marco

AU - Parrinello, Nicolo'

AU - Lo Brutto, Sabrina

AU - Cammarata, Matteo

AU - Lo Brutto, Sabrina

AU - Scalisi, Michele

AU - Arculeo, Marco

AU - Parrinello, Nicolò

AU - Mauro, Annamaria

PY - 1998

Y1 - 1998

N2 - Four hundred and twenty individual hake from 10 sample sites in the Mediterranean Sea were analysed in order to study genetic variability and identify genetic stock structure. Twenty loci were identified, four of which were polymorphic at the 95% level: ADH*, PGI‐1*, PGI‐2* and SOD‐1*. Average observed and expected heterozygosity were 0.084 and 0.090, respectively. PG1–1* deviated from Hardy‐Weinberg expectations due to an excess of heterozygotes and F‐statistic analysis showed also a significant excess of heterozygosity at SOD‐1*. FST was not significant for each locus except for PGI‐2*, where a single sample from the Channel of Sicily (C5) showed a different pattern in allelic frequencies, probably caused by a stochastic event. The samples analyzed seemed to be homogeneous, but future analyses may be necessary using other complementary molecular markers.

AB - Four hundred and twenty individual hake from 10 sample sites in the Mediterranean Sea were analysed in order to study genetic variability and identify genetic stock structure. Twenty loci were identified, four of which were polymorphic at the 95% level: ADH*, PGI‐1*, PGI‐2* and SOD‐1*. Average observed and expected heterozygosity were 0.084 and 0.090, respectively. PG1–1* deviated from Hardy‐Weinberg expectations due to an excess of heterozygotes and F‐statistic analysis showed also a significant excess of heterozygosity at SOD‐1*. FST was not significant for each locus except for PGI‐2*, where a single sample from the Channel of Sicily (C5) showed a different pattern in allelic frequencies, probably caused by a stochastic event. The samples analyzed seemed to be homogeneous, but future analyses may be necessary using other complementary molecular markers.

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