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J Med Microbiol. 2000 Jan;49(1):73-80.

Molecular grouping of Listeria monocytogenes based on the sequence of the inIB gene.

Author information

1
Department of Food Hygiene, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala. Henrik.Ericsson@lmhyg.slu.se

Abstract

The major part of the gene inlB was sequenced in 24 strains of Listeria monocytogenes belonging to serovars 1/2a, 1/2b, 1/2c, 3b and 4b. A phylogenetic analysis based on the inlB nucleotide sequences showed that strains of serovars 1/2a and 1/2c were closely related, as well as those of serovars 1/2b and 3b. Strains sharing serovar 4b could be divided into two distinct groups. There were differences in amino-acid sequence between all serovars except between serovars 1/2b and 3b. Differences in amino-acid sequence were also seen within each of the serovars 1/2a and 4b. The data presented indicate that the inlB gene may be useful for typing purposes as an alternative or complement to serotyping.

PMID:
10628828
DOI:
10.1099/0022-1317-49-1-73
[Indexed for MEDLINE]

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