The genomic structure of Brucella strains isolated from marine mammals gives clues to evolutionary history within the genus

被引：27
作者：
Bourg, Gisele [1 ]
O'Callaghan, David [1 ]
Boschiroli, Maria Laura [1 ]
机构：
[1] INSERM, ESPRI 26, UFR Med, F-30908 Nimes 02, France
来源：
VETERINARY MICROBIOLOGY | 2007年 / 125卷 / 3-4期
关键词：
Brucella; genomic organization; physical map; evolution; marine mammal; PFGE;
D O I：
10.1016/j.vetmic.2007.06.002
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The genomic structure and the restriction maps were studied in 24 Brucella strains isolated from marine mammals. From SpeI restriction profiles, the strains could be ascribed to three clonal groups, each corresponding to a specific host. Cross contamination between exclusively terrestrial and exclusively marine hosts is unlikely suggesting the divergence of the different species of the genus Brucella which may have taken place 60 million years ago, concomitant with the radiation of their mammalian hosts (Artiodactyla) from other mammalian orders. (c) 2007 Published by Elsevier B.V.
引用
收藏
页码：375 / 380
页数：6
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