KNES 437 Lecture Notes - Lecture 7: Gut Flora, Bacteroidetes, Firmicutes

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It helps the body to digest certain foods that have escaped digestion. It helps with the production of some vitamins (b"s and k2): vitamin k is involved in blood clotting and bone absorption. It helps combat pathogenic bacterial growth (bad bacteria that shouldn"t be there) Commensal bacteria because we have a positive relationship with them and they benefit us. Immune dysfunction of the gut is associated with inflammatory diseases (e. g. , inflammatory bowel disease) & other illnesses. Infant birth weight; low birth weight = immature gut (can have an effect on the immune system of the babe. Infants have similar microbes to mother: predominance of bifidobacteria & bacteroidetes, microbiota diversity increases over time, less likely to be obese later in life, formula fed. Infants have more diverse microbiota (breast fed babies catch up later) Dysbiosis (microbial imbalance) mode of delivery: cesarean delivery (c-section), associated with increased susceptibility to:

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