Antigenic similarity between Hammondia hammondi and Toxoplasma gondii tachyzoites

被引:21
|
作者
Riahi, H
Bouteille, B
Darde, ML
机构
[1] CHU Dupuytren, Serv Parasitol Mycol, F-87042 Limoges, France
[2] Fac Med Limoges, Serv Parasitol Mycol, F-87025 Limoges, France
关键词
D O I
10.2307/3284747
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
Hammondia hammondi is an obligate heteroxenous intestinal coccidian of cats, sharing many characteristics with Toxoplasma gondii. The tachyzoite stage antigens of T. gondii and H. hammondi were studied by immunofluorescence assays (IFA) and western blotting (WB) techniques to demonstrate antigenic similarities. Five monoclonal antibodies (MAbs), anti-T. gondii antigens, P22: P23, P30, P35, and P43, and mice polyclonal anti-H. hammondi serum were investigated. Antigens of H. hammondi were recognized by anti-P30 MAb both in IFA and in WE and by anti-P22 and anti-P35 MAbs only in LFA. Polyclonal anti-H. hammondi serum revealed many common antigens be tween the 2 parasites (30, 32, 35, 66, and 90 kDa). The differences of host-parasite relationship between these 2 coccidians lead us to suggest that many of these antigens with similar molecular weights are not the same, but homologous, molecules or that they are not the only factors involved in these differences.
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收藏
页码:651 / 653
页数:3
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