Survival of Bifidobacterium longum immobilized in calcium alginate beads in simulated gastric juices and bile salt solution

Article Abstract:

Research describes a mathematical model incorporating parameters of cell adsorption that influence the survival of bifidobacteria after exposure to gastic and intestinal fluids. Data show that cell death rate in the beads decreases in relation to alginate concentration and the bead size.

United States, North Korea, Statistical Data Included, Bacteria, Bacterial adhesion, Molecular biology, Cell adhesion, Bile acids

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Bifidobacterium longum endogalactanase liberates galactotriose from type I galactans

Article Abstract:

A putative endogalactanase gene classified into glycoside hydrolase family 53 was revealed from the genome sequence of Bifidobacterium longum strain NCC2705. The deduced amino acid sequence suggested that this enzyme was located extracellularly and anchored to the cell membrane.

Genetic aspects, Amino acid sequence, Amino acid sequencing, Glycosides, Chemical properties

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Characterization of a Bifidobacterium longum BORI dipeptidase belonging to the U34 family

Article Abstract:

The report presents the characterization of a Bifidobacterium longum BORI dipeptidase belonging to the U34 family, which can hydrolyze a large number of dipeptides. The results prove that the dipeptidase can easily be activated by the technique of auoproteolytic processing.

Analysis, Enzymes, Hydrolases

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