Diversity of bacteria contaminating paper machines

Journal of Industrial Microbiology & Biotechnology
Tomi LahtinenChristian Oker-Blom

Abstract

Formation of microbial biofilms and slimes is a general and serious problem in the operation of paper machines. Studies of microbial populations in paper machine-derived biofilms have been conducted using standard microbiological procedures; however, the bacterial genera present in this type of samples as well as their diversity are quite poorly known. Here, the bacterial diversity of 38 process water and 22 biofilm samples from four different Finnish paper machines were analyzed by length heterogeneity analysis of PCR-amplified 16S ribosomal DNA (LH-PCR). In addition, sequencing of the amplified 16S rRNA gene from 69 clones was conducted for characterization of the bacterial genera present in biofilm and slime samples. The LH-PCR profiles of both the free-living (process waters) and immobilized (biofilms) bacteria were diverse at all stages of the papermaking process. Out of the 69 sequenced clones, 44 belonged to alpha-Proteobacteria, most of which were close to the nitrogen-fixing root nodule genera Sinorhizobium, Rhizobium and Azorhizobium. Other clones were assigned to beta- and gamma-Proteobacteria and the phylum Bacteroidetes. In addition, eight of the clones were assigned to a yet uncultivated phylum, TM7. Finally, epif...Continue Reading

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Citations

May 12, 2011·Applied Microbiology and Biotechnology·Claudia Esperanza TorresAngeles Blanco
Jul 25, 2008·Journal of Industrial Microbiology & Biotechnology·Charlotta Kanto OqvistMirja Salkinoja-Salonen
Sep 30, 2008·Journal of Industrial Microbiology & Biotechnology·Maija-Liisa Suihko, Eija Skyttä
Apr 25, 2009·Journal of Industrial Microbiology & Biotechnology·Marja TiirolaChristian Oker-Blom
Jun 15, 2010·Journal of Industrial Microbiology & Biotechnology·Ulf GranhallSara Hallin
Jul 2, 2011·Journal of Industrial Microbiology & Biotechnology·Taina LeinoMirja Salkinoja-Salonen
Sep 22, 2009·Canadian Journal of Microbiology·Véronique PrinceCarole Beaulieu
Oct 13, 2009·Bioresource Technology·J R Robledo-OrtízR González-Núñez
Dec 7, 2007·Journal of Microbiological Methods·Joakim BjerketorpJanet K Jansson
Jun 21, 2013·Biofouling·Hans-Curt FlemmingTobias Schild
May 16, 2017·MicrobiologyOpen·Anita ZumstegJoachim Glaubitz

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