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  Resuscitation of ten-year VBNC Klebsiella oxytoca

Dhiaf, A., Junier, P., Bakhrouf, A., & Witzel, K.-P. (2008). Resuscitation of ten-year VBNC Klebsiella oxytoca. Cahiers de Biologie Marine, 49(1), 17-22.

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 Creators:
Dhiaf, Amel, Author
Junier, Pilar, Author
Bakhrouf, Amina, Author
Witzel, Karl-Paul1, Author           
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: klebsiella oxytoca; seawater; stress; resuscitation; nosocomial infections
 Abstract: Klebsiella oxytoca was stressed by incubation in seawater microcosms for ten years. Despite being introduced into sterile seawater, the added Klebsiella oxytoca declined to levels undetectable by plate counts on nutrient agar. After two years of starvation, no culturable strain was observed. Incubation of samples in nutrient-rich broth medium not supplemented with growth factors, however, allowed resuscitation of viable but non culturable (VBNC) cells so that subsequent plating yielded observable colonies for significantly extended periods of time. Recovery of VBNC Klebsiella oxytoca was obtained by incubation in nutrient broth even after ten years of starvation. To see whether the samples contain the same strain of Klebsiella oxytoca inoculated 10 years ago, the complete 16S rDNA gene was PCR amplified and sequenced from initial, stressed and revived strains of Klebsiella oxytoca. The 16S rDNA gene sequences from ten-year stressed strains were homologous in a high degree of similarity to the GenBank reference strain and were identical to each other.

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Language(s): eng - English
 Dates: 2008
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: eDoc: 366736
Other: 2613/S 38788
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Title: Cahiers de Biologie Marine
  Alternative Title : Cah. Biol. Mar.
Source Genre: Journal
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Pages: - Volume / Issue: 49 (1) Sequence Number: - Start / End Page: 17 - 22 Identifier: ISSN: 0007-9723