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Grimm, M.* ; Stephan, R.* ; Iversen, C.* ; Manzardo, G.G.* ; Rattei, T.* ; Riedel, K.* ; Ruepp, A. ; Frishman, D.* ; Lehner, A.*

Cellulose as an extracellular matrix component present in Enterobacter sakazakii biofilms.

J. Food Prot. 71, 13-18 (2008)
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Cellulose was identified and characterized as an extracellular matrix component present in the biofilm of an Enterobacter sakazakii clinical isolate grown in nutrient-deficient (M9) medium. Using a bacterial artificial cloning approach in Escherichia coli and subsequent screening of transformants for fluorescence on calcofluor plates, nine genes organized in two operons were identified as putatively responsible for the biosynthesis of cellulose. In addition to the genes already described for cellulose production, two more genes were identified, putatively transcribed together with the genes from the first operon. Putative cellulose in E. sakazakii ES5 biofilm grown on glass coverslips was visualized by calcofluor staining and confocal fluorescence laser scanning microscopy. For the first time, the presence of cellulose in biofilms produced by E. sakazakii was confirmed by methylation analysis.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2008
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0362-028X
e-ISSN 1944-9097
Zeitschrift Journal of Food Protection
Quellenangaben Band: 71, Heft: 1, Seiten: 13-18 Artikelnummer: , Supplement: ,
Verlag International Association for Food Protection
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Bioinformatics and Systems Biology (IBIS)
POF Topic(s) 30505 - New Technologies for Biomedical Discoveries
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-503700-001
PubMed ID 18236657
WOS ID 000252162900002
Permalink http://www.ingentaconnect.com/content/iafp/jfp/2008/00000071/00000001/art00003
Erfassungsdatum 2008-09-18
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