Výsledky vyhledávání - "Markus Boger"

Structural Identity of Galactooligosaccharide Molecules Selectively Utilized by Single Cultures of Probiotic Bacterial Strains

Autor: Alicia Lammerts van Bueren, Sander S. van Leeuwen, Markus Boger, Lubbert Dijkhuizen

Publikováno v: Journal of Agricultural and Food Chemistry, 67(50), 13969-13977. AMER CHEMICAL SOC
Journal of Agricultural and Food Chemistry

Various beta-galactosidase enzymes catalyze the trans-glycosylation reaction with lactose. The resulting galactooligosaccharide (GOS) mixtures are widely used in infant nutrition to stimulate growth of beneficial gut bacteria. GOS consists mainly of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a96a3f58c4906f97d716dfd7124f3e63
https://hdl.handle.net/11370/7eee3a6e-ccda-4cae-92f4-7255496a10a1

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Stimulatory effects of novel glucosylated lactose derivatives GL34 on growth of selected gut bacteria

Autor: Sander S. van Leeuwen, Hien Pham, Markus Boger, Lubbert Dijkhuizen

Publikováno v: Applied Microbiology and Biotechnology, 103(2), 707-718. SPRINGER
Applied Microbiology and Biotechnology

Previously we structurally characterized five glucosylated lactose derivatives (F1–F5) with a degree of polymerization (DP) of 3–4 (GL34), products of Lactobacillus reuteri glucansucrases, with lactose and sucrose as substrates. Here, we show tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::111117e33a8bfdb85930b1ee55114b3b
https://hdl.handle.net/11370/c4110a17-ad17-42ad-b7f7-f3f51e168935

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Cross-Feeding among Probiotic Bacterial Strains on Prebiotic Inulin Involves the Extracellular exo-Inulinase of Lactobacillus paracasei Strain W20

Autor: Markus Boger, Alicia Lammerts van Bueren, Lubbert Dijkhuizen

Publikováno v: Applied and environmental microbiology, 84(21):e01539-18. AMER SOC MICROBIOLOGY

Probiotic gut bacteria employ specific metabolic pathways to degrade dietary carbohydrates beyond the capabilities of their human host. Here, we report how individual commercial probiotic strains degrade prebiotic (inulin type) fructans. First, a str

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a8212b2a234ec3417ba60289a15db34
https://research.rug.nl/en/publications/3e655298-a82c-4445-b147-f2509b5eaf15

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Structural and functional characterization of a family GH53 β-1,4-galactanase from Bacteroides thetaiotaomicron that facilitates degradation of prebiotic galactooligosaccharides

Autor: Lubbert Dijkhuizen, Markus Boger, Sander S. van Leeuwen, Johan Hekelaar, Alicia Lammerts van Bueren

Publikováno v: Journal of Structural Biology, 205(1):j.jsb.2018.12.002, 1-10. ACADEMIC PRESS INC ELSEVIER SCIENCE

Galactooligosaccharides (GOS) are prebiotic compounds synthesized from lactose using bacterial enzymes and are known to stimulate growth of beneficial bifidobacteria in the human colon. Bacteroides thetaiotaomicron is a prominent human colon commensa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cf8659a9553a0a6a94849a32948a2a8
https://pubmed.ncbi.nlm.nih.gov/30553858

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A pressure-based treatment for the direct numerical simulation of compressible multi-phase flow using multiple pressure variables

Autor: Markus Boger, Bernhard Weigand, Claus-Dieter Munz, Felix Jaegle

Publikováno v: Computers & Fluids. 96:338-349

In this paper we present a pressure-based numerical scheme for the direct numerical simulation of compressible two-phase flows using the stiffened gas equation of state. While for many technical applications, two-phase flows can be treated as incompr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de20bd5ecf2be385e55e754aa1b3ce58
https://doi.org/10.1016/j.compfluid.2014.01.029

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Coupling of compressible and incompressible flow regions using the multiple pressure variables approach

Autor: Markus Boger, Rupert Klein, Felix Jaegle, Claus-Dieter Munz

Publikováno v: Mathematical Methods in the Applied Sciences. 38:458-477

In many cases, multiphase flows are simulated on the basis of the incompressible Navier–Stokes equations. This assumption is valid as long as the density changes in the gas phase can be neglected. Yet, for certain technical applications such as fue

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d7c1892c7f3959434b85c9dcd1fe651
https://doi.org/10.1002/mma.3081

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Lactobacillus reuteri Strains Convert Starch and Maltodextrins into Homoexopolysaccharides Using an Extracellular and Cell-Associated 4,6-α-Glucanotransferase

Autor: Sander S. van Leeuwen, Rachel M. van der Kaaij, Albert J. J. Woortman, Lubbert Dijkhuizen, Alicia Lammerts van Bueren, Tjaard Pijning, Yuxiang Bai, Markus Boger

Publikováno v: Journal of Agricultural and Food Chemistry, 64(14), 2941-2952. AMER CHEMICAL SOC

Exopolysaccharides (EPS) of lactic acid bacteria (LAB) are of interest for food applications. LAB are well-known to produce α-glucan from sucrose by extracellular glucansucrases. Various Lactobacillus reuteri strains also possess 4,6-α-glucanotrans

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4bdcb83b7bbbc79be34518ea4a99398f
https://pubmed.ncbi.nlm.nih.gov/26996545

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Crystal Structure of Inulosucrase from Lactobacillus: Insights into the Substrate Specificity and Product Specificity of GH68 Fructansucrases

Autor: Markus Boger, Slavko Kralj, Hans Leemhuis, Munir A. Anwar, Justyna M. Dobruchowska, Tjaard Pijning, Bauke W. Dijkstra, Lubbert Dijkhuizen

Publikováno v: Journal of Molecular Biology, 412(1), 80-93. Academic Press

Fructansucrases (FSs) catalyze a transfructosylation reaction with sucrose as substrate to produce fructo-oligosaccharides and fructan polymers that contain either beta-2,1 glycosidic linkages (inulin) or beta-2,6 linkages (levan). Levan-synthesizing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::011178d7aa72422383cf828350a2e8d1
https://doi.org/10.1016/j.jmb.2011.07.031

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DNS of Rising Bubbles Using VOF and Balanced Force Surface Tension

Autor: Hendrik Weking, Claus-Dieter Munz, Markus Boger, Bernhard Weigand, Jan Schlottke, Philipp Rauschenberger

Publikováno v: High Performance Computing on Vector Systems 2010 ISBN: 9783642118500

The rise behavior of small bubbles in a quiescent environment has been investigated by direct numerical simulation (DNS) using the Volume of Fluid (VOF) method and surface tension modeling based on the balanced force approach. The origin of spurious

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aab3fc4b5b771ef3af6b6b0b375e6554
https://doi.org/10.1007/978-3-642-11851-7_13

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On the coupling of compressible and incompressible regions

Autor: Rupert Klein, Claus-Dieter Munz, Markus Boger, Felix Jaegle

Publikováno v: PAMM. 12:527-528

This contribution deals with the coupling of compressible to incompressible flow regions in one space dimension. Iterative coupling procedures based on jump conditions across the interface have been derived. They couple the solution of a half Riemann

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9578618636b16a399c6a974dea0454a4
https://doi.org/10.1002/pamm.201210252

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