1921
Volume 34, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

Hybridoma antibodies (Hab) were prepared against the Karp, Gilliam and Kato strains of and were examined for homologous and heterologous reactivity using an indirect immunofluorescence assay. Strain-specific Hab demonstrated homologous IFA titers ranging from 1/320 to 1/1,280 and did not react (<1/10) with the heterologous strains. The cross-reactive Hab generally reacted equally with all three strains in the scrub typhus group; however, there were some Hab that reacted with only one of the two heterologous strains tested. The Hab also were examined in enzyme-linked immunosorbent assays with scrub typhus antigens eluted from SDS-polyacrylamide gels. Most Hab reacted with either one or several of the six eluted antigens detected with a polyclonal immune serum. It was also observed that strain-specific and cross-reactive Hab sometimes reacted with the same antigen, suggesting the existence of multiple antigenic determinants in one electrophoretic peak. The data suggest that strain-specific Hab can be used in the indirect immunofluorescence assay to identify isolates of without the cross-reactions usually observed with polyclonal antisera, and that they are useful probes for detection and analysis of rickettsial antigens.

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/content/journals/10.4269/ajtmh.1985.34.1173
1985-11-01
2017-09-20
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.1985.34.1173
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  • Accepted : 17 May 1985

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