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Table of Contents
Vol. 44, No. 2-3, 1987
Issue release date: 1987
Section title: Original Article
Cytogenet Cell Genet 1987;44:123–133
(DOI:10.1159/000132356)

Chromosomal evolution of the Canidae

I. Species with high diploid numbers

Wayne R.K. · Nash W.G. · O’Brien S.J.
Section of Genetics, Laboratory of Viral Carcinogenesis, National Cancer Institute, Frederick, MD

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Article / Publication Details

First-Page Preview
Abstract of Original Article

Accepted: June 12, 1986
Published online: May 09, 2008
Issue release date: 1987

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 0

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

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

Abstract

The Giemsa banding patterns of seven canid species, including the grey wolf (Canis lupus), the maned wolf (Chrysocyon brachyurus), the bush dog (Speothos venaticus), the crab-eating fox (Cerdocyon thous), the grey fox (Urocyon cinereoargenteus), the bat-eared fox (Otocyon megalotis), and the fennec (Fennecus zerda), are presented and compared. Relative to other members of Canidae, these species have high diploid complements (2n > 64) consisting of largely acrocentric chromosomes. They show a considerable degree of chromosome homoeology, but relative to the grey wolf, each species is either missing chromosomes or has unique chromosomal additions and rearrangements. Differences in chromosome morphology among the seven species were used to reconstruct their phylogenetic history. The results suggest that the South American canids are closely related to each other and are derived from a wolf-like progenitor. The fennec and the bat-eared fox seem to be recent derivatives of a lineage that branched early from the wolf-like canids and which also includes the grey fox.

© 1987 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Article

Accepted: June 12, 1986
Published online: May 09, 2008
Issue release date: 1987

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 0

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

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


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