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2013-08-01
Hu, Y., Ketabi, A., Buchko, A., Gänzle, Michael G.
Commercial isomalto‐oligosaccharides (IMO) are functional food ingredients. They are composed of α(1→6)‐ and α(1→4)‐linked oligosaccharides. IMO are partially indigestible, and dietary IMO stimulate beneficial members of intestinal microbiota, including lactobacilli and bifidobacteria. However,...
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2012
Follador, Rainer, Gänzle, Michael G.
Oligosaccharides, compounds that are composed of 2–10 monosaccharide residues, are major carbohydrate sources in habitats populated by lactobacilli. Moreover, oligosaccharide metabolism is essential for ecological fitness of lactobacilli. Disaccharide metabolism by lactobacilli is well...
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2019-01-01
Ripari, Valery, Bai, Yunpeng, Gänzle, Michael G.
This work aimed to study the phenolic acid metabolism of sourdough lactic acid bacteria (LAB) in laboratory media, and in sourdough fermentation with single cultures and in co-fermentations. Lactobacilli were selected from isolates obtained from 35 sourdough samples. Isolates (114 strains) were...
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Metabolism of phenolic compounds by Lactobacillus spp. during fermentation of cherry juice and broccoli puree
Download2015-04-01
Filannino, Pasquale, Bai, Yunpeng, Di Cagno, Raffaela, Gobbetti, Marco, Gänzle, Michael G.
This study aimed to investigate the metabolism of phenolic acids and flavonoids during lactic acid fermentation of cherry juice and broccoli puree for potential food and pharmaceutical purposes. When fermenting cherry juice and broccoli puree, Lactobacillus spp. exhibited strain-specific...
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Microbial ecology of sorghum sourdoughs: Effect of substrate supply and phenolic compounds on composition of fermentation microbiota
Download2012-10-15
Sekwati-Monang, Bonno, Valcheva, Rosica, Gänzle, Michael G.
The choice of the cereal substrate determines sourdough microbiota, however, the substrate-associated ecological factors for this phenomenon have not been elucidated. This study investigated the competitiveness of Lactobacillus sanfranciscensis LTH 2590, a wheat sourdough isolate, and four...
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Novel two-component regulatory systems play a role in biofilm formation of Lactobacillus reuteri rodent isolate 100-23
Download2014-01-01
Su, Marcia Shu-Wei, Gänzle, Michael G.
his study characterized the two-component regulatory systems encoded by bfrKRT and cemAKR, and assessed their influence on biofilm formation by Lactobacillus reuteri 100-23. A method for deletion of multiple genes was employed to disrupt the genetic loci of two-component systems. The operons...
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Prebiotics, FODMAPs and dietary fiber - conflicting concepts in development of functional food products?
Download2018-01-01
Yan, Ya Lu, Hu, Ying, Gänzle, Michael G.
The term prebiotic relates to beneficial modulation of intestinal microbiota by dietary carbohydrates, however, uncertainties of the differentiation of the term 'prebiotics' from dietary fiber as well as FODMAPs impede development of functional foods containing prebiotics. This communication...
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2016-01-01
Lv, Mengyuan, Hu, Ying, Gänzle, Michael G., Lin, Jianguo, Wang, Changgao, Cai, Jun
This study aimed to develop an enzymatic method for conversion of chitin from fungal waste mycelia to chitooligosaccharides. The recombinant chitinase LlChi18A from Lactococcus lactis was over-expressed by Escherichia coli BL21 (DE3) and purified by affinity chromatography. The enzymatic...
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2023-01-25
Kennedy, Katherine M., de Goffau, Marcus C., Perez-Muñoz, Maria Elisa, Arrieta, Marie-Claire, Bäckhed, Fredrik, Bork, Peer, Braun, Thorsten, Bushman, Frederic D., Dore, Joel, de Vos, Willem M., Earl, Ashlee M., Eisen, Jonathan A., Elovitz, Michal A., Ganal-Vonarburg, Stephanie C., Gänzle, Michael G., Garrett, Wendy S., Hall, Lindsay J., Hornef, Mathias W., Huttenhower, Curtis, Konnikova, Liza, Lebeer, Sarah, Macpherson, Andrew J., Massey, Ruth C., McHardy, Carolyn, Koren, Omry, Lawley, Trevor D., Ley, Ruth E., O'Mahony, Liam, O'Toole, Paul W., Pamer Eric G., Parkhill, Julian, Raes, Jeroen, Rattei, Thomas, Salonen, Anne, Segal, Eran, Segata, Nicola, Shanahan, Fergus, Sloboda, Deborah M., Smith, Gordon C. S., Sokol, Harry, Spector, Tim D., Surette, Michael G., Tannock, Gerald W., Walker, Alan W., Yassour, Moran, Walter, Jens
Whether the human fetus and the prenatal intrauterine environment (amniotic fluid and placenta) are stably colonized by microbial communities in a healthy pregnancy remains a subject of debate. Here we evaluate recent studies that characterized microbial populations in human fetuses from the...
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Resistance of biofilm- and pellicle-embedded strains of Escherichia coli encoding the transmissible locus of stress tolerance (tLST) to oxidative sanitation chemicals
Download2021-12-02
Xu, Zhaohui S., Yang, Xianqin, Gänzle, Michael G.
Biofilm formation in food processing plants reduces the efficacy of sanitation. The presence of transmissible locus of stress tolerance (tLST) also enhances resistance of planktonic cells of Escherichia coli to sanitation chemicals but the role of tLST in resistance of biofilm-embedded cells...