Changes in cellular states of the marine bacterium Deleya aquamarina under starvation conditions
Article Abstract:
The changes in cellular states of the marine bacterium Delaya aquamarina under starvation conditions were examined using different fluorescent dyes and techniques to characterize its heterogeneity and the changes of its physiological states. The experiments were conducted on artificial seawater microcosms at two temperature representative of the temperature similar to the Mediterranean. Results reveal that D. aquamarina has greater maintenance of culturability at lowest temperature. However, culturability is better preserved at lower temperatures for nonmarine bacteria under starvation.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1997
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Enumeration of viable bacteria in the marine pelagic environment
Article Abstract:
The 4'-6-diamidino-2-phenylindole staining procedure and the most-probable-number (MNP) counts are appropriate methods for the determination of bacterial counts in filtered seawater cultures. The techniques indicate that the superficial and intermediate water masses have a high and a variable population of living bacteria. The MNP viable counts correlate well with the total counts but are more time-consuming and expensive. The traditional CFU method is able to determine only 0.0001 to 0.2% of the total bacteria.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
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