capsular antigen


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to capsular antigen: recall antigen

cap·su·lar an·ti·gen

that found only in the capsules of certain microorganisms; for example, the specific polysaccharides of various types of pneumococci.

cap·su·lar an·ti·gen

(kap'sū-lăr an'ti-jen)
That found only in the capsules of certain microorganisms; e.g., the specific polysaccharides of various types of pneumococci.
[Ger. Kapsel, capsule]
References in periodicals archive ?
Geographic distribution of antibodies against Vi capsular antigen of Salmonella enterica serovar Typhi, Fiji, 2013.
Verbal consent was obtained from 71 contacts to test their serum for plague antibody with a capsular antigen fraction 1 (F1) IgG ELISA (10,11); 7/20 (35%) contacts from Antsahatsianarina, 12/20 (60%) from Beravina (the burial site of case-patient 1), 9/10 (90%) from Ambilona, and 7/21 (33%) from Ambatoharanana were seropositive (Figure 2; online Technical Appendix Table).
Structure of the capsular antigen of Neisseria meningitidis serogroup K.
Molecular serotyping of Klebsiella species isolates by restriction of the amplified capsular antigen gene cluster.
However, it remains to be demonstrated whether such responses are induced by natural exposure through the respiratory route, whether natural exposure induces responses to other, more conserved antigens or only to the capsular antigen, and whether natural exposure induces long-lived immunologic memory.
Between eleven capsular antigens, serotype III (50.9%), V (27.47%), Ib (17.76%), Ia (15.54%), Ic (5.85%)were the highest.
pneumoniae isolates were sent to the Laboratorio de Enterobacterias, Departamento de Bacteriologia, Fundacao Oswaldo Cruz, Rio de Janeiro, RJ, Brazil for immunological analysis of the serotypes with regard to the K1 to K6 capsular antigens of the external membrane, as determined by antigen-antibody reaction analysis.