Artículos de revistas
Chromosomal differentiation of populations of Lysapsus limellus limellus, L. l. bolivianus, and of Lysapsus caraya (Hylinae, Hylidae)
Fecha
2006-01-01Registro en:
Micron. Oxford: Pergamon-Elsevier B.V., v. 37, n. 4, p. 355-362, 2006.
0968-4328
10.1016/j.micron.2005.11.009
WOS:000238302000010
Autor
Universidade Estadual de Campinas (UNICAMP)
Univ Passo Fundo
Instituto Nacional de Pesquisas da Amazônia (INPA)
Universidade Estadual Paulista (Unesp)
Naturplan Conservacao & Tecnol Ambiental Ltda
Institución
Resumen
Cytogenetic analysis were done on specimens from two populations of Lysapsus limellus limellus. three of L. l. bolivianus and of one of Lysapsus caraya. All animals showed a diploid chromosomal number of 2n=24. The karyotypes of the two L. limellus subspecies were very similar, differing only by the larger amount of telomeric heterochromatin and a small pericentromeric C-band on the short arms of pair 2 in L. l. limellus specimens. The karyotype of L. caraya differed from those of the two L. limellus subspecies in terms of chromosomal morphology, C-banding pattern and location of the main NOR on chromosomes 7 and 6. respectively. The karyotype of the L. l. bolivianus population from Guajara-Mirim/RO differed from those of the other populations of the same subspecies in morphology and heterochromatin pattern of chromosomes 7 and 8. Additional NORs were detected by silver staining and confirmed by FISH in one of the homologues of pairs 1 and 8 in L. l. bolivianus and in pair 7 in L. caraya. These results suggest that a reassessment of the taxonomic status of L. limellus subspecies, especially of the L. l. bolivianus populations, may be necessary. (c) 2005 Elsevier Ltd. All rights reserved.