Purification and analysis of colonization factor antigen I, coli surface antigen 1, and coli surface antigen 3 fimbriae from enterotoxigenic Escherichia coli.
AUTOR(ES)
Hall, R H
RESUMO
Enterotoxigenic Escherichia coli fimbriae are immunogenic and play a key role in intestinal colonization. Native colonization factor antigen I, coli surface antigen 1, and coli surface antigen 3 fimbriae were purified by a common method involving shearing, differential centrifugation, gel filtration, and density gradient ultracentrifugation. The compositions and N-terminal sequences were determined. Coli surface antigen 3 possesses two N-terminal isoforms, one of which matches the published DNA sequence, except for the previously proposed signal sequence cleavage point.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=210515Documentos Relacionados
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