Survival of Vibrio fluvialis in seawater under starvation conditions

The viability of Vibrio fluvialis in seawater microcosms, with and without sediment was investigated. The strain survived as culturable bacteria for at least 1 year and the expression of its virulence factors was maintained. In microcosms containing sediment Vibrio fluvialis was more stable. Viable...

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Bibliographic Details
Published in:Microbiological research 2008-01, Vol.163 (3), p.323-328
Main Authors: Amel, Ben Kahla-Nakbi, Amine, Besbes, Amina, Bakhrouf
Format: Article
Language:English
Subjects:
ARDRA
Colony Count, Microbial
Geologic Sediments - microbiology
Marine
Microbial Viability
Resuscitation
Ribotyping - methods
Seawater
Seawater - microbiology
Starved cells
Survival
VBNC
Vibrio - growth & development
Vibrio - physiology
Vibrio fluvialis
Virulence Factors - biosynthesis
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Summary:The viability of Vibrio fluvialis in seawater microcosms, with and without sediment was investigated. The strain survived as culturable bacteria for at least 1 year and the expression of its virulence factors was maintained. In microcosms containing sediment Vibrio fluvialis was more stable. Viable but nonculturable (VBNC) cells of Vibrio fluvialis were able to resuscitate to the culturable state up to 6 years of incubation in marine sediment. These cells recuperate their initial biochemical characteristics after 3 months of incubation in marine broth. Amplified 16S ribosomal DNA (rDNA) restriction analysis (ARDRA) was used to confirm that it is the same strain of Vibrio fluvialis which resists in all microcosms during a long period of time.
ISSN:0944-5013
1618-0623
DOI:10.1016/j.micres.2006.06.006