Heterochromatin patterns in triatomines of the genus Panstrongylus
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Data
1999-01-01
Autores
Tartarotti, E.
Oliveira, Maria Tercília Vilela de Azeredo [UNESP]
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Editor
Faculty Press
Resumo
Spermatogenesis was analysed by C-banding in two species of triatomines, Panstrongylus megistus and Fl herreri. Both species revealed interstitial and terminal bands in the autosomes, which is a common pattern in Heteroptera. The terminal bands corroborated the hypothesis that in holocentric chromosomes the heterochromatin is preferentially located at the telomere. The sex chromosomes in FI herreri were totally heterochromatic in spermatogenesis, and in P. megistus the X chromosomes alternated between positive and negative banding.
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Palavras-chave
spermatogenesis, triatomines, Panstrongylus spp, Chagas' disease, C-banding, holocentric chromosomes
Como citar
Cytobios. Cambridge: Faculty Press, v. 99, n. 391, p. 113-122, 1999.