Ultrastructural study of surface components of Streptococcus suis

M. Jacques, M. Gottschalk, B. Foiry, Robert Higgins

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

The presence of capsular materal on cells of nine reference strains of Streptococcus suis representing serotypes 1 to 8 and 1/2 was determined by transmission electron microscopy after polycationic ferritin labeling, immunostabilization, or fixation with a combination of glutaraldehyde and lysine. All the cells of the reference strains examined were covered with a layer of capsular material whose thickness varied between 20 to 30 nm and 350 to 375 nm when examined by immunostabilization. Capsular material from cells exposed to homologous antiserum was usually thicker than that from polycationic ferritin-labeled cells or cells fixed with glutaraldehyde-lysine. Negative staining revealed detectable surface structures on S. suis strains. All strains carried peritrichous, thin, and flexible fimbriae with a diameter of approximately 2 nm and a length of up to 250 nm. This study indicated that morphological differences of surface structure exist among S. suis reference strains.

Original languageEnglish (US)
Pages (from-to)2833-2838
Number of pages6
JournalJournal of Bacteriology
Volume172
Issue number6
DOIs
StatePublished - Jan 1 1990
Externally publishedYes

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Streptococcus suis
Glutaral
Lysine
Negative Staining
Transmission Electron Microscopy
Immune Sera

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology

Cite this

Ultrastructural study of surface components of Streptococcus suis. / Jacques, M.; Gottschalk, M.; Foiry, B.; Higgins, Robert.

In: Journal of Bacteriology, Vol. 172, No. 6, 01.01.1990, p. 2833-2838.

Research output: Contribution to journalArticle

Jacques, M. ; Gottschalk, M. ; Foiry, B. ; Higgins, Robert. / Ultrastructural study of surface components of Streptococcus suis. In: Journal of Bacteriology. 1990 ; Vol. 172, No. 6. pp. 2833-2838.
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