Isolation and characterization of large treponemes from the bovine rumen.

AUTOR(ES)

Ziołecki, A

RESUMO

Ten strains of strictly anaerobic spiral organisms were isolated in pure culture from a 10(-7) dilution of bovine rumen contents. Three strains were studied in detail. These strains morphologically resembled previously isolated and described rumen treponemes except the new isolates were larger, 0.7 micrometer wide and 12 to 25 micrometer long. They rapidly fermented pectin and, less readily, L-arabinose, inulin, and sucrose. Acetic and formic acid were the main fermentation products from pectin; small amounts of succinic acid were also formed.

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