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Vol. 89, No. 1-2, 2000
Issue release date: 2000
Section title: Paper
Cytogenet Cell Genet 89:110–115 (2000)
(DOI:10.1159/000015587)

Comparative cytogenetics of tapirs, genus Tapirus (Perissodactyla, Tapiridae)

Houck M.L. · Kingswood S.C. · Kumamoto A.T.
Center for Reproduction of Endangered Species, Zoological Society of San Diego, San Diego, CA (USA)

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Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: 6/26/2000
Issue release date: 2000

Number of Print Pages: 6
Number of Figures: 4
Number of Tables: 2

ISSN: 1424-8581 (Print)
eISSN: 1424-859X (Online)

For additional information: http://www.karger.com/CGR

Abstract

Abstract.

Chromosomes of the four species of Tapirus were 2n = 52 in T. indicus, 2n = 76 in T. pinchaque, 2n = 80 in T. bairdii, and 2n = 80 in T. terrestris. The number of autosomal arms was 80–94. G-banded karyotypes indicated that a heterochromatic addition/deletion distinguished chromosomes 2 and 3 of T. bairdii and T. pinchaque, respectively. There were at least 13 conserved autosomes between the karyotypes of T. bairdii and T. terrestris, and at least 15 were conserved between T. bairdii and T. pinchaque. In G- and C-banded preparations, the X chromosomes of T. bairdii, T. indicus, and T. terrestris were identical, whereas the X chromosome of T. pinchaque differed from the X of the other species by a heterochromatic addition/deletion. The Y chromosome was a medium-sized to small acrocentric in T. bairdii, T. indicus, and T. pinchaque, but it was not positively identified in T. terrestris. There appeared to be fewer homologies between T. indicus and the three species occurring in Central and South America. Future cytogenetic studies of tapirs from the entire range of each of the four species might provide additional insight into their evolutionary biology and aid wildlife conservation efforts aimed at these threatened mammals.   

© 2000 S. Karger AG, Basel


  

Article Information

Supported by the Zoological Society of San Diego. We dedicate this article to the memory of our colleague and inspiration, Arlene Tsuru Kumamoto (1953–2000).

Received: Received 7 January 2000;
revision accepted 13 March 2000.
Number of Print Pages : 6
Number of Figures : 4, Number of Tables : 2, Number of References : 17

  

Publication Details

Cytogenetics and Cell Genetics
Founded 1962 as Cytogenetics by H.P. Klinger

Vol. 89, No. 1-2, Year 2000 (Cover Date: 2000)

Journal Editor: H.P. Klinger, Bronx, N.Y.; M. Schmid, Würzburg
ISSN: 0301–0171 (print), 1422–9816 (Online)

For additional information: http://www.karger.com/journals/ccg


Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: 6/26/2000
Issue release date: 2000

Number of Print Pages: 6
Number of Figures: 4
Number of Tables: 2

ISSN: 1424-8581 (Print)
eISSN: 1424-859X (Online)

For additional information: http://www.karger.com/CGR


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