@article{Freese2010Subst-6688,
  year={2010},
  doi={10.1007/s00248-009-9608-7},
  title={Substrate Utilization Profiles of Bacterial Strains in Plankton from the River Warnow, a Humic and Eutrophic River in North Germany},
  number={1},
  volume={59},
  issn={0095-3628},
  journal={Microbial Ecology},
  pages={59--75},
  author={Freese, Heike M. and Eggert, Anja and Garland, Jay L. and Schumann, Rhena}
}

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    <dc:contributor>Eggert, Anja</dc:contributor>
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    <dcterms:title>Substrate Utilization Profiles of Bacterial Strains in Plankton from the River Warnow, a Humic and Eutrophic River in North Germany</dcterms:title>
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    <dc:creator>Garland, Jay L.</dc:creator>
    <dc:contributor>Garland, Jay L.</dc:contributor>
    <dc:contributor>Schumann, Rhena</dc:contributor>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:28:22Z</dc:date>
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    <dc:creator>Schumann, Rhena</dc:creator>
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    <dcterms:bibliographicCitation>First publ. in: Microbial Ecology ; 59 (2010), 1. - S. 59-75</dcterms:bibliographicCitation>
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    <dc:creator>Eggert, Anja</dc:creator>
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    <dc:contributor>Freese, Heike M.</dc:contributor>
    <dcterms:abstract xml:lang="deu">Bacteria are very important degraders of organic substances in aquatic environments. Despite their influential role in the carbon (and many other element) cycle(s), the specific genetic identity of active bacteria is mostly unknown, although contributing phylogenetic groups had been investigated.&lt;br /&gt;Moreover, the degree to which phenotypic potential (i. e., utilization of environmentally relevant carbon substrates) is related to the genomic identity of bacteria or bacterial groups is unclear. The present study compared the genomic fingerprints of 27 bacterial isolates from the humic River Wamow&lt;br /&gt;with their ability to utilize 14 environmentally relevant substrates. Acetate was the only substrate utilized by all bacterial strains. Only 60% of the strains respired glucose, but this substrate always stimulated the highest bacterial activity (respiration and growth). Two isolates, both closely related to the same Pseudomonas sp., also had very similar substrate utilization patterns. However, similar substrate utilization profiles commonly belonged to genetically different strains (e.g., the substrate profile of Janthinobacterium lividum OW6/RT-3 and Flavobacterium sp. OW3/15-5 differed by only three substrates). Substrate consumption was sometimes totally different for genetically related isolates. Thus, the genomic profiles of bacterial strains were not congruent with their different substrate utilization profiles. Additionally, changes in pre-incubation conditions strongly influenced substrate utilization. Therefore, it is problematic to infer substrate utilization and especially microbial dissolved organic matter transformation in aquatic systems from bacterial molecular taxonomy.</dcterms:abstract>
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