Cytogenetic characterization of the moray eel Gymnothorax tile and chromosomal banding comparison in Muraenidae (Anguilliformes)

The karyotype of the teleostean Gymnothorax tile was analysed by replication banding in order to clearly identify the homologous chromosomes. The RBG pattern was then compared to those of the other Muraenidae studied (G. unicolor and Muraena helena) and banding homologies of nine chromosome pairs we...

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Bibliographic Details
Published in:Marine biology research 2010-01, Vol.6 (1), p.106-111
Main Authors: Coluccia, Elisabetta, Deiana, Anna Maria, Libertini, Angelo, Salvadori, Susanna
Format: Article
Language:English
Subjects:
Anguilliformes
celler
comparative cytogenetics
fisker
genetikk
Gymnothorax
karyotype evolution
kromosomer
Marine
moray eel
Muraenidae
replication banding
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Summary:The karyotype of the teleostean Gymnothorax tile was analysed by replication banding in order to clearly identify the homologous chromosomes. The RBG pattern was then compared to those of the other Muraenidae studied (G. unicolor and Muraena helena) and banding homologies of nine chromosome pairs were pointed out. A single nucleolar organizer region (NOR) was localized by FISH, silver- and CMA 3 -staining on the short arm of the pair 12. Telomeric (TTAGGG) repeats were terminally localized by FISH on all the chromosome pairs. The genome size and the AT-DNA content were evaluated by flow cytometry. Available cytogenetic data on the Muraenidae were then compared and discussed.
ISSN:1745-1000
1745-1019
DOI:10.1080/17451000902932993