Molecular characterization and ultrastructure of a new amoeba endoparasite belonging to the Stenotrophomonas maltophilia complex

被引：25
作者：
Corsaro, Daniele [1 ,2 ]
Mueller, Karl-Dieter [3 ]
Michel, Rolf [4 ]
机构：
[1] CHLAREAS Chlamydia Res Assoc, F-54500 Vandoeuvre Les Nancy, France
[2] Univ Neuchatel, Inst Biol, Lab Soil Biol, CH-2000 Neuchatel, Switzerland
[3] Univ Duisburg Essen, Inst Med Mikrobiol, D-45147 Essen, Germany
[4] Fed Armed Forces Med Serv, Cent Inst, D-56070 Koblenz, Germany
来源：
EXPERIMENTAL PARASITOLOGY | 2013年 / 133卷 / 04期
关键词：
Stenotrophomonas maltophilia; Free-living amoebae; Endocytobiont; Acanthamoeba; Naegleria; Stenotrophomonas; FREE-LIVING AMEBAS; ACANTHAMOEBA SPP; BACTERIA; DIVERSITY; KERATITIS; PLANT; WATER; IDENTIFICATION; ENVIRONMENT; COCULTURE;
D O I：
10.1016/j.exppara.2012.12.016
中图分类号：
R38 [医学寄生虫学]; Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ; 100103 ;
摘要：
Naegleria and Acanthamoeba spp. were recovered from biofilm of a flushing cistern in a lavatory and both were found to be infected by rod-shaped bacteria enclosed within a vacuole. These intracellular bacteria behave like parasites, causing lysis of host amoebae. The bacteria proved unculturable on bacteriological media, and but could be maintained as endocytobionts within Acanthamoeba on agar plates. A marked differential host preference was observed in co-culture assays with various strains of amoebae. Molecular phylogenetic analyses performed on almost complete 16S rDNA sequences showed that the bacteria emerged as an atypical rapidly-evolving strain within the Stenotrophomonas maltophilia complex (Gamma-Proteobacteria, Xanthomonadales). (C) 2013 Elsevier Inc. All rights reserved.
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收藏
页码：383 / 390
页数：8
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