Temperature-induced recovery of Vibrio cholerae from the viable but nonculturable state: growth or resuscitation?

Article Abstract:

Experimental studies reveal that increase in the incubation temperature is sufficient for the recovery of Vibrio cholerae from the viable but nonculturable state. True resuscitation and apparent resuscitation arising from the regrowth of a small number of culturable V. cholerae cells are differentiated. Spent growth medium has no growth inhibiting factors and V. cholerae exhibits ability to grow in artificial seawater.

Vibrio cholerae, Resuscitation

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Benthic distributions of sewage sludge indicated by Clostridium perfringens at a deep-ocean dumpsite

Article Abstract:

The elucidation of sludge pattern distributions in the benthic environment by extensive sampling and enumeration of Clostridium perfringens isdiscussed. Samples collected from the deep-ocean sewage sludge disposal site were subjected to normal distribution, variance and mean analysis by a computerized general linear model procedure. Results indicate the presence of sewage accumulation in the benthic environment.

Benthos, Benthic zone

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Distribution of sewage indicated by Clostridium perfringens at a deep-water disposal site after cessation of sewage disposal

Article Abstract:

Clostridium perfringens was used as an indicator of sewage sludge at a deep-water disposal site after cessation of sewage dumping. C. perfringens activity in the site was monitored between 1992 and 1993 using statistical analyses and sampling strategies. The sampled data suggest that widespread sludge contamination persisted at the site one year after cessation of ocean sewage disposal.

Sewage

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