Saturday, November 26, 2016

E. Coli Bacterium Under Microscope

E. Coli Bacterium Under Microscope

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E. coli or Escherichia coli, named after German discoverer Theodor Escherich in 1885, is bacterium that is part of the normal flora of the gut. Some strains of this bacterium can cause food poisoning like serotype O157:H7. But most strains are part of a good flora of the gut that helps to fight against pathogenic bacterias. The most common way to get infection of E. coli is by eating contaminated food or over hands contact. The symptoms of E. coli infection, which usually starts 7 days after infection, are watery diarrhea and cramps. Illness do not need some special treatment but you should get a lot of water to prevent dehydration.

e coli bacteria E. Coli Bacterium Under Microscope

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2 Comments to “E. Coli Bacterium Under Microscope”

  • [...] When E. coli are in a high solute, hypertonic environment, their life is instantly endangered by diffusion’s closest relative: osmosis.  Osmosis is the movement of water from an area of higher free energy to an area of lower free energy (Saupe, 2013).  Solutes (dissolved molecules) affect this process by affecting the free energy of the water the same way that rush hour traffic decreases the kinetic energy of a freeway—the more traffic in the solution (presence of solutes), the less available free energy.  If the solutes from the E. coli’s environment diffuse across its membrane through its pores, osmosis might destroy and kill the cell because freely permeable water will pass across the membrane until the free energy inside the cell is equal to that outside.  If the presence of solutes is dense enough, the E. coli will explode and die. E. coli organismscredit: http://artsonearth.com/2011/05/e-coli-bacterium-under-microscope.html [...]

  • This is helpful information! Thank you for this web page~

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