Lactic acid bacteria

Intestinal lactic acid bacteria from Muscovy duck as potential probiotics that alter adhesion factor gene expression

Z. L. Xie, Bai, D. P., Xie, L. N., Zhang, W. N., Huang, X. H., and Huang, Y. F., “Intestinal lactic acid bacteria from Muscovy duck as potential probiotics that alter adhesion factor gene expression”, vol. 14, pp. 12262-12275, 2015.

The purpose of this study was to assess the suitability of lactic acid bacteria (LABs) isolated from Muscovy duck as a potential probiotic. Isolates were identified by targeted polymerase chain reaction and assessed in vitro for probiotic characteristics such as autoaggregation; surface-charge; hydrophobicity; tolerance to acidic pH, bile salts and protease; and expression of genes involved in Caco-2 cell adhesion.

Lactic acid bacteria protect human intestinal epithelial cells from Staphylococcus aureus and Pseudomonas aeruginosa infections

S. Affhan, Dachang, W., Xin, Y., and Shang, D., “Lactic acid bacteria protect human intestinal epithelial cells from Staphylococcus aureus and Pseudomonas aeruginosa infections”, vol. 14, pp. 17044-17058, 2015.

Staphylococcus aureus and Pseudomonas aeruginosa are opportunistic pathogens that cause nosocomial and food-borne infections. They promote intestinal diseases. Gastrointestinal colonization by S. aureus and P. aeruginosa has rarely been researched. These organisms spread to extra gastrointestinal niches, resulting in increasingly progressive infections. Lactic acid bacteria are Gram-positive bacteria that produce lactic acid as the major end-product of carbohydrate fermentation.

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