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Volume 7, Issue 4

Reinvestigations of the Relationship Between Sporulation, Heat Resistance and Some Biochemical Properties in Strains of Free

Abstract

SUMMARY

Isolates of obtained from soil samples heated at 100°C and from samples heated at less than 100°C exhibited markedly different fermentation properties in tests with inositol, salicin, cellobiose, arbutin and aesculin. None of the isolates obtained from samples heated at 100°C for various lengths of time could ferment inositol, whereas all of the isolates obtained from unheated samples could ferment this sugar. The longer the preheating period at 100°C, the greater the number of aberrant isolates that attacked salicin, cellobiose, aesculin and arbutin, and the weaker were the sporulating abilities of these isolates. Most of the “heat-resistant” strains with attenuated sporulating abilities, however, could sporulate well when raffinose or melibiose was the only carbohydrate present in a test medium.

  • Received:
  • Accepted:
  • Published Online:
© J. MED. MICROBIOL. 1974
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1974-11-01
2024-04-25
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Reinvestigations of the Relationship Between Sporulation, Heat Resistance and Some Biochemical Properties in Strains of Clostridium Perfringens
J. Med. Microbiol. 7, 451 (1974); https://doi.org/10.1099/00222615-7-4-451
/content/journal/jmm/10.1099/00222615-7-4-451
/content/journal/jmm/10.1099/00222615-7-4-451
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