Multiple Serotypes of the Moderate Thermophile Thiobacillus caldus, a Limitation of Immunological Assays for Biomining Microorganisms |
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Authors: | K B Hallberg and E B Lindstrom |
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Abstract: | Phylogenetic and phenotypic analysis indicates that a moderately thermophilic isolate, C-SH12, from Australia belongs to the species Thiobacillus caldus. Antiserum generated against whole cells of T. caldus KU recognized protein antigens common to cell lysates of the three T. caldus strains KU, BC13, and C-SH12 but did not recognize whole cells of isolate C-SH12. Differences in the lipopolysaccharide (LPS) of strain C-SH12 and those of the other two T. caldus strains were found, and the anti-KU antiserum did not recognize the LPS from strain C-SH12. These data indicate that this T. caldus isolate belongs to a serotype different from that of strains KU and BC13. |
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