The Obligate Anaerobic Microflora of Farmyard Manure

Glathe, Hans; Cunningham, Andrew

doi:10.1017/s0021859600010765

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“…Zeissler (1929) also recorded flagellation and motility of certain strains of B. bifer-mentan8 in the Lister and Pasteur Institutes, although in English and Frehch literature the same strains are reported as nonmotile. Glathe and Cunningham (1933) agreed that the Lister strains No. 506 and No.…”

Section: Elizabeth Mccoy and L S Mcclungmentioning

confidence: 93%

Studies on Anaerobic Bacteria

McCoy

McClung

1936

J Bacteriol

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The systematic position, or right to specific rank, of the anaerobic bacillus, Clostridium centrosporogenes, has been somewhat insecure, since its conception as Bacillus centrosporogenes by Hall in 1922. Originally created to cover 4 strains resembling Clostridium bifermentans in many respects, the new species was recorded as actively motile at 8 hours, though non-motile at 24 hours. Deep colonies of C. centrosporogenes in meat infusion agar were described as more fluffy and diffuse, but this character was recognized as affected by consistency of the agar. Failure of C. centrosporogenes to react in an agglutinative serum for one strain of C. bifermentans was also cited. These last points of difference were considered minor and only motility was used in separation of C. bifermentan8 and C. centrosporogenes in Hall's key to anaerobes. Robertson (1929) questioned the specific rank of C. centrosporogenes, if separation from C. bifermentarm were to rest upon motility alone. In considering the position of the new species Hall recognized its physiological likeness to Clost7idium sporogenes but decided against close affinity because of the central position of its spores and its positive glycerol fermentation. Nevertheless, Kahn (1924) and Weinberg and Ginsbourg (1927) suggested that the new culture was merely a variant of C. sporogenes. This possibility was considered by Drake and Sturges (1929) in a study of

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Section: Elizabeth Mccoy and L S Mcclungmentioning

confidence: 93%