Article
Presence of cfaD-homologous sequences and expression of coli surface antigen 4 on enterotoxigenic Escherichia coli; relevance for diagnostic procedures.
Microbial pathogenesis - 1 Oct 1991
Sommerfelt H, Grewal H M, Gaastra W, Bhan M K, Svennerholm A M, Kalland K H, Asphaug V, Aasland R, Bjorvatn B
Abstract excerpt
We examined the ability of a colonization factor antigen I (CFA/I) polynucleotide probe to identify coli-surface antigen 4 producing (CS4+) strains of enterotoxigenic Escherichia coli (ETEC). At low stringency (LS) the probe hybridized to colony lysates of strains previously shown to produce CS4 or CFA/I fimbriae. Only DNA from CFA/I+ strains maintained a stable probe-target hybrid under high stringency (HS)...
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