title: New karyologycal data and cytotaxonomic considerations on small mammals from Santa Virgínia (Parque Estadual da Serra do Mar, Atlantic Forest, Brazil).
abstract: Atlantic Forest, in the eastern coast of Brazil, is a hotspot of biodiversity of mammals, and Parque Estadual da Serra do Mar (PESM) is the largest continuous area of this biome. Here, we characterized the karyotype composition of the small mammals from Santa Virgínia, a region in the northern part of PESM. Specimens were collected from July 2008 to September 2009. We identified 17 species (13 rodents and 4 marsupials) from which 7 exhibited species-specific karyotypes, illustrating the importance of karyotype information in cytotaxonomy. We report for first time the karyotype of Monodelphis scalops (Thomas, 1888) and two new records for PESM: Akodon montensis Thomas, 1913 and Brucepattersonius soricinus Hershkovitz, 1998. Cytogenetic polymorphisms were detected for some species trapped in the area. Our results show the importance of Santa Virgínia / PESM in addressing studies for the conservation of small mammal wildlife in the Atlantic Forest.
authors.affiliation: Laboratório de Ecologia e Evolução, Instituto Butantan, Avenida Vital Brazil, 1500, CEP 05503-900, São Paulo, SP, Brazil.
authors.forename: Camilla Bruno
authors.initials: CB
authors.lastname: Di-Nizo
authors.affiliation: Laboratório de Biologia da Conservação, Departamento de Ecologia, Universidade Estadual Paulista (UNESP), Avenida 24 A,1515. CEP 13506-900, Rio Claro, SP, Brazil.
authors.forename: Carolina Lima
authors.initials: CL
authors.lastname: Neves
authors.affiliation: Laboratório de Biologia Evolutiva Teórica e Aplicada, Universidade Federal do Rio do Janeiro (UFRJ), Avenida Professor Rodolpho Paulo Rocco, s/n - CCS, bl. A, sala A2-92. CEP 21941-617, Rio de Janeiro, RJ, Brazil.
authors.forename: Júlio Fernando
authors.initials: JF
authors.lastname: Vilela
authors.affiliation: Laboratório de Ecologia e Evolução, Instituto Butantan, Avenida Vital Brazil, 1500, CEP 05503-900, São Paulo, SP, Brazil.
authors.forename: Maria José de J
authors.initials: MJ
authors.lastname: Silva
keywords: Atlantic Forest; Monodelphis scalops; conservation; cytotaxonomy
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