Electrochemical activity and bacterial diversity of natural marine biofilm in laboratory closed-systems (Articolo in rivista)

Type
Label
  • Electrochemical activity and bacterial diversity of natural marine biofilm in laboratory closed-systems (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.bioelechem.2009.04.012 (literal)
Alternative label
  • M. Faimali; E. Chelossi; G. Pavanello; A. Benedetti; I. Vandecandelaere; P. De Vos; P. Vandamme; A. Mollica (2010)
    Electrochemical activity and bacterial diversity of natural marine biofilm in laboratory closed-systems
    in Bioelectrochemistry (Amsterdam)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Faimali; E. Chelossi; G. Pavanello; A. Benedetti; I. Vandecandelaere; P. De Vos; P. Vandamme; A. Mollica (literal)
Pagina inizio
  • 30 (literal)
Pagina fine
  • 38 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Special issue: From fundamentals to microbial power plants: Electrochemically Active Biofilms, a. Bergel, D. Féron, H.-C. Flemming (eds.) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S1567539409000875 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 78 (literal)
Rivista
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  • Issue: 1 Special Issue: Sp. Iss. SI (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, ISMAR, I-16149 Genoa, Italy CNR, IENI, I-20125 Milan, Italy Univ Ghent, Lab Microbiol Vakgrp Biochem Fysiol & Microbiol, B-9000 Ghent, Belgium (literal)
Titolo
  • Electrochemical activity and bacterial diversity of natural marine biofilm in laboratory closed-systems (literal)
Abstract
  • Even if a widely shared mechanism does not actually exist, it is now generally accepted that, in aerobic conditions, marine electrochemically active biofilms (MEABs) induce faster oxygen reduction on stainless steel immersed in seawater. This phenomenon has been widely studied, but nearly all the experiments found in literature have been conducted in open-systems (i.e. experimental environments where seawater is constantly renewed). In this work we tried to obtain, in open circuit and potentiostatic conditions, MEABs in different laboratory closed-systems without water renewal (mesocosms), to verify the relationship between electrochemical activity and biofilm composition. The diversity of the microbial populations of biofilms obtained by our new approach was examined by the DGGE technique (denaturing gradient gel electrophoresis). MEABs were obtained in all the mesocosms from 2000 to 2 L, showing in some cases electrochemical performances comparable to those of open-systems, and a very high genetic variability. Our DGGE results indicate the difficulty in finding a correlation between electrochemical activity and composition of microbial populations. (literal)
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