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Journal of Clinical Microbiology, 04 1996, 1007-1010, Vol 34, No. 4
P Gilot, A Genicot and P Andre
Listeria monocytogenes strains isolated in Belgium from different
foodstuffs and in sporadic cases of human listeriosis were analyzed. The
distribution of serovars differed in each of these populations. The
bacteria isolated from cheeses and from human patients with listeriosis
were further studied by esterase typing. The twenty esterase patterns
defined were not equally distributed in these two populations. The
secretion of the virulence determinant phosphatidylinositol-specific
phospholipase C and the pathogenicity level of strains in immunocompromised
mice could not explain the unequal distribution of esterase types. The
discrimination index of esterase typing (DI = 0.868) was compared with that
of serotyping (DI = 0.666) and with that of the two combined methods (DI =
0.899).
Copyright © 1996 by the American Society for Microbiology. All rights reserved.
Serotyping and esterase typing for analysis of Listeria monocytogenes populations recovered from foodstuffs and from human patients with listeriosis in Belgium
Belgian National Reference Centre for Listeriosis, Department of Microbiology, Institute of Hygiene and Epidemiology, Brussels, Belgium.
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