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Drinking Kefir May Help Fight Disease-Causing Bacteria

Recent research, conducted by scientists from Ben-Gurion University of the Negev (BGU) in Be’er Sheva, Israel, finds that a type of yeast in kefir called Kluyveromyces marxianus secretes a molecule that disrupts bacterial communication allowing to combat disease-causing bacteria.Drinking Kefir May Help Fight Disease-Causing Bacteria

With the help of lab cultures, the researchers discovered that tryptophol acetate had an inhibitory effect over quorum sensing in several disease-causing bacteria, including such Gram-negative bacteria as Pseudomonas aeruginosa, which causes pneumonia when it infects the lungs; S. enterica, which is responsible for food poisoning; Staphylococcus aureus, which can trigger sepsis, among other life threatening infections; and V. cholerae, which causes cholera.

The lead researchers of the study Orit Malka, a Ph.D. student, says: “These results are notable since this is the first demonstration that virulence of human pathogenic bacteria can be mitigated by molecules secreted in probiotic milk products, such as yogurt or kefir.”

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