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      The karyotype of Noctilio Albiventris (Chiroptera, Octilionidae) from the northern pantanal of Brazil and its taxonomic implications Translated title: El cariotipo de Noctilio albiventris (Chiroptera, Noctilionidae) del norte del Pantanal brasileño y sus implicancias taxonómicas

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          Abstract

          The 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.

          Translated abstract

          Se describe el cariotipo completo de Noctilio albiventris cabrerai en base a especímenes del norte del Pantanal, Brasil. El cariotipo en bandeo G presentó un número diploide (2n) de 34, un número fundamental autosómico (FNa) de 62, el cromosoma X submetacéntrico y el Y acrocéntrico. Las regiones organizadoras del nucléolo (RONs) activas se ubican en el par 12. El bandeo C reveló bloques de heterocromatina constitutiva en las regiones pericentroméricas 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 cromosómico de brazos cortos totalmente heterocromático, y a N. a. affinis (Colombia), con un cromosoma X metacéntrico.

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          A rapid banding technique for human chromosomes.

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            A colchicine, hypotonic citrate, squash sequence for mammalian chromosomes.

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              Karyotypic Evolution in Bats: Evidence of Extensive and Conservative Chromosomal Evolution in Closely Related Taxa

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                mznt
                Mastozoología neotropical
                Mastozool. neotrop.
                Sociedad Argentina para el Estudio de los Mamíferos (SAREM) (Mendoza, Mendoza, Argentina )
                0327-9383
                1666-0536
                June 2010
                : 17
                : 1
                : 219-224
                Affiliations
                [01] Rio de Janeiro RJ orgnameUniversidade Federal do Rio de Janeiro orgdiv1Instituto de Biologia, CCS orgdiv2Departamento de Zoologia Brazil
                [02] Rio de Janeiro RJ orgnameUniversidade Federal do Rio de Janeiro orgdiv1Instituto de Biologia, CCS orgdiv2Departamento de Zoologia Brazil
                [03] Rio de Janeiro RJ orgnameUFRJ orgdiv1Museu Nacional orgdiv2Departamento de Vertebrados Brazil
                Article
                S0327-93832010000100029
                731a4935-1c1d-4220-b061-20032bb50d67

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 04 December 2009
                : 08 July 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 16, Pages: 6
                Product

                SciELO Argentina


                G- and C-banding,Lesser bulldog bat,Nucleolar organizer regions,Pantanal,Bandeo G y C,Murciélago pescador menor,Regiones organizadoras del nucléolo

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