Data/hora: 13/06/2024 01:25:13

Provedor de dados: | 74
País: | Brazil
Título: | Molecular characterization of SSS139, a new satellite DNA family in sibling species of the Drosophila buzzatii cluster
Autores: | Franco,Fernando F.; Sene,Fabio M.; Manfrin,Maura H.
Data: | 2008-01-01
Ano: | 2008
Palavras-chave: | Drosophila buzzatii cluster; Molecular evolution; Repetitive DNA; Satellite DNA; SSS139 satellite DNA.
Resumo: | We characterized sequences of a novel SSS139 RsaI satellite DNA family in Drosophila gouveai and Drosophila seriema, two members of the Drosophila buzzatii cluster (D. repleta group). The sequences were AT-rich (69%) with a monomer unit length of about 139 bp and contained two direct subrepeats of 14 bp and 16 bp, suggesting that it might have originated by the duplication of smaller sequences. Southern and dot-blot hybridization analyses also detected SSS139 in other Drosophila buzzatii cluster species (D. koepferae, D. antonietae, D. borborema and D. serido) but not in D. buzzatii. These results agree with the marginal phylogenetic position of D. buzzatii within the D. buzzatii cluster.
Tipo: | Info:eu-repo/semantics/other
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572008000100026
Editor: | Sociedade Brasileira de Genética
Relação: | 10.1590/S1415-47572008000100026
Formato: | text/html
Fonte: | Genetics and Molecular Biology  v.31 n.1 2008
Fonte: | info:eu-repo/semantics/openAccess