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Ladirat, S.E. (author), Schoterman, M.H.C. (author), Rahaoui, H. (author), Mars, M. (author), Schuren, F.H.J. (author), Gruppen, H. (author), Nauta, A. (author), Schols, H.A. (author)In the present double-blind, randomised, parallel intervention study, the effects of the intake of galacto-oligosaccharides (GOS) on the gut microbiota of twelve healthy adult subjects (aged 18-45 years with a normal BMI (18-25 kg/m2)) receiving amoxicillin (AMX) treatment were determined. All the subjects were treated with AMX (375 mg; three...article 2014
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van der Hoeven-Hangoor, E. (author), van der Vossen, J.M.B.M. (author), Schuren, F.H.J. (author), Verstegen, M.W.A. (author), de Oliveira, J.E. (author), Montijn, R.C. (author), Hendriks, W.H. (author)Microbiota plays a role in the release and absorption of nutrients from feed components, thereby affecting digesta composition and moisture content of the excreta. The objective of the current study was to determine the effects of 5 different diets varying in ingredients (medium-chain fatty acids, nonstarch polysaccharides, and starch) on the...article 2013
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High-throughput analysis of the impact of antibiotics on the human intestinal microbiota compositionLadirat, S.E. (author), Schols, H.A. (author), Nauta, A. (author), Schoterman, M.H.C. (author), Keijser, B.J.F. (author), Montijn, R.C. (author), Gruppen, H. (author), Schuren, F.H.J. (author)Antibiotic treatments can lead to a disruption of the human microbiota. In this in-vitro study, the impact of antibiotics on adult intestinal microbiota was monitored in a new high-throughput approach: a fermentation screening-platform was coupled with a phylogenetic microarray analysis (Intestinal-chip). Fecal inoculum from healthy adults was...article 2013
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Dols, J.A.M. (author), Reid, G. (author), Kort, R. (author), Schuren, F.H.J. (author), Tempelman, H. (author), Bontekoe, T.R. (author), Korporaal, H. (author), van der Veer, E.M. (author), Smit, P.W. (author), Boon, M.E. (author)Vaginal lactobacilli assessed by PCR-based microarray and PCR-based genotyping of HPV in South African women at risk for HIV and BV. Vaginal lactobacilli can be defined by microarray techniques in fixed cervical samples of South African women. Cervical brush samples suspended in the coagulant fixative BoonFix of one hundred women attending a...article 2012
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Cremer, H. (author), Schuren, F.H.J. (author), de Graaf, B. (author), van der Wal, B. (author)ln 2010 begon het project Hydrochip met als doel een DNA-chip te ontwikkelen waarmee men de biodiversiteit van aquatische habitats snel en objectief kan analyseren. De chip wordt initieel ontwikkeld voor kiezelalgen. Van ongeveer 80 soorten kiezelalgen zijn unieke DNA-fragmenten verwerkt in een eerste prototype van de chip. De eerste resultaten...article 2012
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Boesten, R.J. (author), Schuren, F.H.J. (author), Willemsen, L.E.M. (author), Vriesema, A. (author), Knol, J. (author), de Vos, W.M. (author)To provide insight in the molecular basis for intestinal host-microbe interactions, we determined the genome-wide transcriptional response of human intestinal epithelial cells following exposure to cells of Bifidobacterium breve. To select an appropriate test system reflecting inflammatory conditions, the responsiveness to TNF-a was compared in...article 2011
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Dols, J.A.M. (author), Smit, P.W. (author), Kort, R. (author), Reid, G. (author), Schuren, F.H.J. (author), Tempelman, H. (author), Bontekoe, T.R. (author), Korporaal, H. (author), Boon, M.E. (author)Objective: The objective was to examine the use of a tailor-made DNA microarray containing probes representing the vaginal microbiota to examine bacterial vaginosis. Study Design: One hundred one women attending a health center for HIV testing in South Africa were enrolled. Stained, liquid-based cytology slides were scored for bacterial...article 2011
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Caspers, M.P.M. (author), Schuren, F.H.J. (author), van Zuijlen, A.C.M. (author), Brul, S. (author), Montijn, R.C. (author), Abee, T. (author), Kort, R. (author)Failure of food preservation is frequently caused by thermostable spores of members of the Bacillaceae family, which show a wide spectrum of resistance to cleaning and preservation treatments. We constructed and validated a mixed-species genotyping array for 6 Bacillus species, including Bacillus subtilis, Bacillus licheniformis, Bacillus...article 2011
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Boesten, R.J. (author), Schuren, F.H.J. (author), de Vos, W.M. (author), TNO Kwaliteit van Leven (author)A genomic DNA-based microarray was constructed containing over 6000 randomly cloned genomic fragments of approximately 1-2 kb from six mammalian intestinal Bifidobacterium spp. including B. adolescentis, B. animalis, B. bifidum, B. catenulatum, B. longum and B. pseudolongum. This Bifidobacterium Mixed-Species (BMS) microarray was used to...article 2009
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Paauw, A. (author), Caspers, M.P.M. (author), Leverstein-van Hall, M.A. (author), Schuren, F.H.J. (author), Montijn, R.C. (author), Verhoef, J. (author), Fluit, A.C. (author), TNO Kwaliteit van Leven (author)Bacterial strains differ in their ability to cause hospital outbreaks. Using comparative genomic hybridization, Enterobacter cloacae complex isolates were studied to identify genetic markers specific for Enterobacter cloacae complex outbreak strains. No outbreak-specific genes were found that were common in all investigated outbreak strains....article 2009
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Keijser, B.J.F. (author), Zaura, E. (author), Huse, S.M. (author), van der Vossen, J.M.B.M. (author), Schuren, F.H.J. (author), Montijn, R.C. (author), ten Gate, J.M. (author), Crielaard, W. (author), TNO Kwaliteit van Leven (author)A good definition of commensal microflora and an understanding of its relation to health are essential in preventing and combating disease. We hypothesized that the species richness of human oral microflora is underestimated. Saliva and supragingival plaque were sampled from 71 and 98 healthy adults, respectively. Amplieons from the V6...article 2008
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- Punt, P.J. (author), Schuren, F.H.J. (author), Lehmbeck, J. (author), Christensen, T. (author), Hjort, C. (author), Hondel, C.A.M.J.J. (author), TNO Kwaliteit van Leven (author) article 2008
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Punt, P.J. (author), Schuren, F.H.J. (author), Lehmbeck, J. (author), Christensen, T. (author), Hjort, C. (author), van den Hondel, C.A.M.J.J. (author), TNO Kwaliteit van Leven (author)Expression of several Aspergillus niger genes encoding major secreted, but not vacuolar, protease genes including the major acid protease gene pepA, was shown to be affected in the previously isolated A. niger protease mutant, AB1.13 [Mattern, I.E., van Noort, J.M., van den Berg, P., Archer, D.A., Roberts, I.N., Hondel, C.A.M.J.J., 1992....article 2008
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TNO Kwaliteit van Leven (author), Paauw, A. (author), Caspers, M.P.M. (author), Schuren, F.H.J. (author), Leverstein-van Hall, M.A. (author), Delétoile, A. (author), Montijn, R.C. (author), Verhoef, J. (author), Fluit, A.C. (author)Background: Isolates of the Enterobacter cloacae complex have been increasingly isolated as nosocomial pathogens, but phenotypic identification of the E. cloacae complex is unreliable and irreproducible. Identification of species based on currently available genotyping tools is already superior to phenotypic identification, but the taxonomy of...article 2008
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Vlaminckx, B.J.M. (author), Schuren, F.H.J. (author), Montijn, R.C. (author), Caspers, M.P.M. (author), Beitsma, M.M. (author), Wannet, W.J.B. (author), Schouls, L.M. (author), Verhoef, J. (author), Jansen, W.T.M. (author), TNO Kwaliteit van Leven (author)Invasive group A streptococcal (GAS) disease reemerged in The Netherlands in the late 1980s. To seek an explanation for this resurgence, the genetic compositions of 22 M1 and 19 M28 GAS strains isolated in The Netherlands between 1960s and the mid-1990s were analyzed by using a mixed-genome DNA microarray. During this four-decade period, M1 and...article 2007
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Vlaminckx, B.J.M. (author), Schuren, F.H.J. (author), Montijn, R.C. (author), Caspers, M.P.M. (author), Fluit, A.C. (author), Wannet, W.J.B. (author), Schouls, L.M. (author), Verhoef, J. (author), Jansen, W.T.M. (author), TNO Kwaliteit van Leven (author)Group A streptococci (GAS), or Streptococcus pyogenes, are associated with a remarkable variety of diseases, ranging from superficial infections to life-threatening diseases such as toxic-shock-like syndrome (TSS). GAS strains belonging to M types M1 and M3 are associated with TSS. This study aims to obtain insight into the gene profiles...article 2007
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Pieterse, B. (author), Quirijns, E.J. (author), Schuren, F.H.J. (author), van der Werf, M.J. (author), TNO Kwaliteit van Leven (author)Background: Clone-based microarrays, on which each spot represents a random genomic fragment, are a good alternative to open reading frame-based microarrays, especially for microorganisms for which the complete genome sequence is not available. Since the generation of a genomic DNA library is a random process, it is beforehand uncertain which...article 2005
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Pieterse, B. (author), Leer, R.J. (author), Schuren, F.H.J. (author), van der Werf, M.J. (author), TNO Kwaliteit van Leven (author)The organic acid lactate is the predominant fermentation product of Lactobacillus plantarum. The undissociated form of this organic acid is a strong growth inhibitor for the organism. Different theories have been postulated to explain the inhibitory effects of lactic acid: (i) toxicity arising from the dissipation of the membrane potential, (ii)...article 2005
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Brul, S. (author), Klis, F.M. (author), Oomes, S.J.C.M. (author), Montijn, R.C. (author), Schuren, F.H.J. (author), Coote, P. (author), Hellingwerf, K.J. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)The food processing industry is faced with an ever-increasing demand for safe and minimally processed wholesome foods. In order to come to a knowledge-based rather than a mainly empirical combination of appropriate preservation hurdles, we will introduce the application of the recently booming genomics technology in food processing. Two examples...article 2002
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- Schuren, F.H.J. (author), TNO Voeding (author) bookPart 2002