E.coil bacteria is belong to family of Enterobacteriaceae . Its live in the environment with or without oxygen.They also present in the intestine of healthy person and warm blooded animals.
The quantity of lactate produce by pathogenic E-coli was significantly higher than produced by non -E-coli.These enzymes were produced by lactose but represent by glucose and galactose.
E-coli used as disaccharide lactose as source of metabolic energy.Fermentation of lactose , glucose and galactose using E-coli bacteria.And lactose is produced by bacteria living in the intestinal tract of animals .It is an energy source and E-coli use use glucose as an energy source.
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