It is gramm negative and a rod shaped bacterium. it is usually found in lower intestines of warm blooded organisms and helps in digestion and absorption of food. However, variations of this bacteria can cause food poisoning. It produces vitamin K2 and can live in a wide variety of substrates.
STAPHLOCOCCUS EPIDERMIS
It is gram positive and a cocci shaped bacterium. It is found of our skin. This bacteria aids the skin by releasing certain toxins to defend us from micro organisms. They do this by taking up the space pathogenic bacteria would occupy. They are nonmotile and are also faculative anaerobes, they grow either by aerobic respiration or fermentation.
LACTOBACILLUS ACIDPHILUS
This bacteria occurs naturally in humans, animal intestines, vagina, and mouth. it is used in dairy products. It has an optimal temperture of 37 degress celsius. Certain strains of this bacteria decreases the chance of having diarhhea. It is resistent to bile, a low ph and intestinal enzymes. It is mainly used for improvement of symptoms of discomfort from lactose inteolerant.
REFERENCES:
Google images
http://web.uconn.edu/mcbstaff/graf/Student%20presentations/S%20epidermidis/sepidermidis.html
http://www.mayoclinic.com/health/lactobacillus/NS_patient-acidophilus
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC426879/pdf/pnas00134-0120.pdf
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