Presence in invertebrate genomes of sequences characterized by the repetition of the triplet CCPurine

In Drosophila melanogaster (Dm), polypeptidic domains have been found in different morphogenetic genes. Two types of them are characterized by the repetition of nucleotidic triplets: the M repeat (CAX) n and the paired repeat (CAXCCX) n. In this paper we described a third type of repeat isolated fro...

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Veröffentlicht in:Biochemical and biophysical research communications 1990-01, Vol.166 (1), p.66-73
Hauptverfasser: Bakalara, Norbert, Collet, Joan, Planells, Richard, Thouveny, Yves, Fontes, Michel
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Sprache:eng
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Zusammenfassung:In Drosophila melanogaster (Dm), polypeptidic domains have been found in different morphogenetic genes. Two types of them are characterized by the repetition of nucleotidic triplets: the M repeat (CAX) n and the paired repeat (CAXCCX) n. In this paper we described a third type of repeat isolated from the genome of a Polychaete annelid: Owenia fusiformis. This repeat is characterized by the repetition of the triplet CCPurine. Phylogenetic studies showed the presence of this repeat in all the invertebrate genomes tested (eight copies in Dm genome) while we failed to detect it in vertebrate genomes.
ISSN:0006-291X
1090-2104
DOI:10.1016/0006-291X(90)91912-C