Heterochromatin heterogeneity and chromosome variability in four species of gohiid fishes (Perciformes: Gobiidae)

V. Caputo, F. Marchegiani, M. Sorice, E. Olmo

Research output: Contribution to journalArticle

Abstract

A karyological study of four species of gobiid fishes, Gobius niger, G. paganellus, G. cobitis, and Zosterisessor ophiocephalus (Perciformes, Gobiidae), was conducted by standard, fluorochrome staining (using chromomycin A3, mithramycin, and DAPI), Alu-I digestion, and CBG- and RBG-banding methods. Our cytogenetic data indicate that heterochromatin in these taxa is highly differentiated, exhibiting heterogeneity in staining characteristics, and presumably in underlying DNA sequences, and a different capability for promoting Robertsonian fusions.

Original languageEnglish
Pages (from-to)266-271
Number of pages6
JournalCytogenetics and Cell Genetics
Volume79
Issue number3-4
Publication statusPublished - 1997

ASJC Scopus subject areas

  • Genetics
  • Cell Biology

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