EFFECT OF GROWTH TEMPERATURE ON VIRULENCE OF STRAINS OF LISTERIA-MONOCYTOGENES IN THE MOUSE - EVIDENCE FOR A DOSE DEPENDENCE

被引:37
作者
STEPHENS, JC [1 ]
ROBERTS, IS [1 ]
JONES, D [1 ]
ANDREW, PW [1 ]
机构
[1] UNIV LEICESTER,DEPT MICROBIOL,UNIV RD,LEICESTER LE1 9HN,ENGLAND
来源
JOURNAL OF APPLIED BACTERIOLOGY | 1991年 / 70卷 / 03期
关键词
D O I
10.1111/j.1365-2672.1991.tb02931.x
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Growth of Listeria monocytogenes at 4-degrees-C significantly increased its virulence for mice by the intravenous route and the effect was dose-dependent. Virulence was apparent only at a dose of about or above 10(4) viable listerias. At slightly lower doses of about 10(3), no such effect was observed. Growth at 4-degrees-C did not increase the virulence of the strains for mice by oral-gastric challenge when given at doses of approximately 10(10).
引用
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页码:239 / 244
页数:6
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