Por favor, use este identificador para citar o enlazar este ítem:
https://www.arca.fiocruz.br/handle/icict/13974
Tipo
ArtículoDerechos de autor
Acceso restringido
Colecciones
- IOC - Artigos de Periódicos [12502]
Metadatos
Mostrar el registro completo del ítem
NEW METACENTRIC POPULATIONS AND PHYLOGENETIC HYPOTHESES INVOLVING WHOLE-ARM RECIPROCAL TRANSLOCATION IN MUS MUSCULUS DOMESTICUS FROM SICILY, SOUTHERN ITALY
House mouse populations
Phylogeny
Robertsonian fusions
Sicily
Whole-arm reciprocal translocations
Italy
Autor
Afiliación
Università di Roma ‘La Sapienza. Dipartimento di Biologia e Biotecnologie ‘Charles Darwin`. Rome, Italy.
Università di Roma ‘La Sapienza. Dipartimento di Biologia e Biotecnologie ‘Charles Darwin`. Rome, Italy.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios. Rio de Janeiro, RJ, Brasil.
Università di Roma ‘La Sapienza`. Dection of Genetics. Medical Centre `Altamedica`. Rome, Italy.
Università di Roma ‘La Sapienza. Dipartimento di Biologia e Biotecnologie ‘Charles Darwin`. Rome, Italy.
Università di Roma ‘La Sapienza. Dipartimento di Biologia e Biotecnologie ‘Charles Darwin`. Rome, Italy.
Università di Roma ‘La Sapienza. Dipartimento di Biologia e Biotecnologie ‘Charles Darwin`. Rome, Italy.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios. Rio de Janeiro, RJ, Brasil.
Università di Roma ‘La Sapienza`. Dection of Genetics. Medical Centre `Altamedica`. Rome, Italy.
Università di Roma ‘La Sapienza. Dipartimento di Biologia e Biotecnologie ‘Charles Darwin`. Rome, Italy.
Università di Roma ‘La Sapienza. Dipartimento di Biologia e Biotecnologie ‘Charles Darwin`. Rome, Italy.
Resumen en ingles
The house mouse Mus musculus domesticus is characterized
by more than 100 metacentric populations, due to the occurrence
of Robertsonian (Rb) fusions, together with the standard
all-telocentric karyotype (2n = 40). We examined Gbanded
karyotypes of 18 mice from 10 localities in Sicily and
describe 3 new metacentric populations: ‘Ragusa Ibla’ (IRAG),
2n = 33–36, Rb(2.4), Rb(5.6), Rb(9.16), Rb(13.17); ‘Piana degli
Albanesi’ (IPIA), 2n = 23, Rb(1.18), Rb(2.15), Rb(3.5), Rb(4.12),
Rb(6.11), Rb(7.8), Rb(9.16), Rb(10.14), Rb(13.17); ‘Trapani’
(ITRA), 2n = 22, Rb(1.18), Rb(2.15), Rb(3.7), Rb(4.12), Rb(5.9),
Rb(6.11), Rb(8.16), Rb(10.14), Rb(13.17). Three mice belonged
to the previously reported ‘Castelbuono’ race (ICAS), 2n = 24,
which is very similar to the nearby ‘Palermo’ (IPAL) race,
2n = 26. Three Rb fusions not yet observed in wild mouse
populations were identified: Rb(3.5), Rb(3.7) and Rb(5.9). Rb
fusions shared among 4 races (IPIA, IRAG, ICAS, and IPAL) allowed
us to describe their potential phylogenetic relationships. We obtained 2 alternative phylogenetic trees. The
differences between them are mainly due to various modes
of formation of IPIA and ITRA. In the first hypothesis, the specific
Rb fusions occurred independently. In the second, those
of IRAG originated from those of IPIA via whole-arm reciprocal
translocations.
Palabras clave en ingles
Chromosomal polymorphismHouse mouse populations
Phylogeny
Robertsonian fusions
Sicily
Whole-arm reciprocal translocations
Italy
Compartir