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Monitoring of the evolving diversity of the microbial community present in rotifer cultures
Rombaut, G.; Suantika, G.; Boon, N.; Maertens, S.; Dhert, P.; Top, E.; Sorgeloos, P.; Verstraete, W. (2001). Monitoring of the evolving diversity of the microbial community present in rotifer cultures. Aquaculture 198(3-4): 237-252. dx.doi.org/10.1016/S0044-8486(01)00594-4
In: Aquaculture. Elsevier: Amsterdam; London; New York; Oxford; Tokyo. ISSN 0044-8486; e-ISSN 1873-5622
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoorden
    Acids > Organic compounds > Organic acids > Nucleic acids > DNA
    Analysis > Microbiological analysis
    Aquaculture systems > Batch culture
    Aquaculture systems > Recirculating systems
    Aquatic organisms > Food organisms
    Composition > Community composition
    Microorganisms
    Polymerase chain reaction
    Bacteria [WoRMS]; Rotifera [WoRMS]
    Marien
Author keywords
    microbiota; rotifer culture systems; denaturing gradient gel electrophoresis (DGGE)

Auteurs  Top 
  • Rombaut, G.
  • Suantika, G.
  • Boon, N.
  • Maertens, S.
  • Dhert, P.
  • Top, E.
  • Sorgeloos, P.
  • Verstraete, W.

Abstract
    The genetic fingerprint of the microbiota in the culture water of two different rotifer culture systems (batch versus recirculation) was obtained by means of denaturing gradient gel electrophoresis (DGGE) of 16S rRNA gene fragments. The genetic profile of the bacterial community present in the culture water of a batch culture system changed daily due to shifts occurring at the level of the dominance of bands. By means of statistical tools, it was possible to distinguish three different periods during the development of the microbiota in the recirculation experiment, each corresponding to a typical period during the production of rotifers. Overall, it was obvious that the microbiota in such a recirculation system was less susceptible for variation relative to the microbiota in a batch system. However, some shifts in the genetic profile were observed when technical problems occurred resulting in a reduced water quality or performance of the biofilter. Characterisation of the microbial community present in the recirculation system indicated that the sequences of typical bands showed the highest level of identity to the sequences from the bacterial strain MMB-1T (representing a species in the genus Marinomonas, Marinomonas mediterranea sp.), M. vaga and Pseudoalteromonas haloplanktis spp. tetraodonis strain IAM 14160 (98%)

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