Produção Nacional
THE KARYOTYPE OF Noctilio albiventris (CHIROPTERA, NOCTILIONIDAE) FROM THE NORTHERN PANTANAL OF BRAZIL AND ITS TAXONOMIC IMPLICATIONS
2010; SAREM; Volume: 17; Issue: 1 Linguagem: Inglês
ISSN
1666-0536
AutoresRossana de Paula Vilamiu, Margaret Maria de Oliveira Corrêa, Leila Maria Pessôa, João Alves de Oliveira, Luiz Flamarion Barbosa de Oliveira,
Tópico(s)Hemiptera Insect Studies
ResumoThe complete karyotype of Noctilio albiventris cabrerai is described on the basis of specimens from the northern Pantanal region of central Brazil. The G-banded karyotype comprises a diploid number (2n) of 34, an autosomal fundamental number (FNa) of 62, and respectively submetacentric and acrocentric X and Y chromosomes. Active nucleolar organizer regions (NORs) were located in pair 12. C-banding showed constitutive heterochromatin in the pericentromeric regions of all autosomes and in the X chromosome. Differences were found with respect to specimens from Honduras, referable to N. a. minor, which had a pair of autosomes with totally heterochromatic short arms, and from Colombia, referable to N. a. affinis, which had a metacentric X chromosome. RESUMEN. El cariotipo de Noctilio albiventris (Chiroptera, Noctilionidae) del norte del Pantanal brasileno y sus implicancias taxonomicas. Se describe el cariotipo com- pleto de Noctilio albiventris cabrerai en base a especimenes del norte del Pantanal, Brasil. El cariotipo en bandeo G presento un numero diploide (2n) de 34, un numero fundamental autosomico (FNa) de 62, el cromosoma X submetacentrico y el Y acrocentrico. Las regio- nes organizadoras del nucleolo (RONs) activas se ubican en el par 12. El bandeo C revelo bloques de heterocromatina constitutiva en las regiones pericentromericas de todos los autosomas y en el cromosoma X. Se resumen las diferencias con respecto a cariotipos asignables a N. a. minor (Honduras), con un par cromosomico de brazos cortos totalmente heterocromatico, y a N. a. affinis (Colombia), con un cromosoma X metacentrico.
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