ROn-1 SINEs: A tRNA-derived, short interspersed repetitive DNA element from Oreochromis niloticus and its species-specific distribution in Old World cichlid fishes

Louis J. Bryden, Eileen M. Denovan-Wright, Jonathan M. Wright

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6 Citations (Scopus)

Résumé

A SINE-like repetitive element (ROn-1) has been cloned from the tilapiine cichlid fish Oreochromis niloticus. The element is 345 base pairs (bp) in length and consists of a transfer-RNA-like domain with putative RNA polymerase III recognition sequences, a tRNA-unrelated region, and a poly(A) tail. Approximately 6000 copies of ROn-1 occur in the haploid genome of O. niloticus. Southern blot analysis revealed that ROn-1 is an abundant element in the genomes of many African cichlid fishes, but absent from the genome of the Indian cichlid Etroplus.

Langue d'origineEnglish
Pages (de-à)48-54
Nombre de pages7
JournalMolecular Marine Biology and Biotechnology
Volume7
Numéro de publication1
Statut de publicationPublished - mars 1998

ASJC Scopus Subject Areas

  • Applied Microbiology and Biotechnology

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