Immunogenetic Evidence for the Phylogenetic Sister Group Relationship of Dogs and Bears (Mammalia, Carnivora: Canidae and Ursidae)

Thirty-seven antigenic determinants were identified in the albumins, the immunoglobulin µ- and IgG(Fc) chains, and the C3 proteins of 51 carnivoran (sub)species from 31 genera, and in 12 noncarnivoran mammals. In addition to 19 determinants plesiomorphic for Carnivora as an order, 18 synapomorphic e...

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Bibliographic Details
Published in:Experimental and Clinical Immunogenetics
Main Authors: Schreiber, Arnd, Eulenberger, Klaus, Bauer, Klausdieter
Format: Article in Journal/Newspaper
Language:English
Published: S. Karger AG 1998
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Online Access:http://dx.doi.org/10.1159/000019067
https://www.karger.com/Article/Pdf/19067
Description
Summary:Thirty-seven antigenic determinants were identified in the albumins, the immunoglobulin µ- and IgG(Fc) chains, and the C3 proteins of 51 carnivoran (sub)species from 31 genera, and in 12 noncarnivoran mammals. In addition to 19 determinants plesiomorphic for Carnivora as an order, 18 synapomorphic epitopes of carnivoran families revealed nine phylogenetic reaction groups: (1) canids, (2) ursids, (3) the racoon, (4) the Weddell seal, (5) the lesser panda, (6) the harbour seal, (7) mustelids, (8) viverrids and hyaenas, and (9) felids. These data identify Canoidea (Canidae, Ursidae, Phocidae, Procyonidae, Ailuridae, Mustelidae) and Feloidea (Viverridae, Hyaenidae, Felidae) as two fundamentally differentiated lineages of Carnivora, and confirm the inclusion of seals among the former. The Ursidae are the sister group of the Canidae. The antigenic determinants in the studied proteins do not subdivide the Canidae, Ursidae and Felidae into immunologically differentiated lineages.