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E Coli Infections
E. coli is and abbreviation for Escherichia coli. It is a drink and food borne pathogen that causes severe cramps and is the leading cause of bloody diarrhea, strains, symptoms, causes, diagnosis and treatments may be asked and answered here.
513 Questions
Is e coli prokaryotic or eukaryotic?
E coli is a type of bacteria that is present in the human gut and can cause food poisoning. E coli is prokaryotic and not eukaryotic.
Is e coli in urine contagious?
E coli is a major cause of urinary tract infections. Having e coli in your urine is not dangerous, however.
Should E. coli be in a urine sample?
No, it is not. It depends on how much but it means an infection in any case.
Why is E. coli acid fast negative?
Most acid-fast microorganisms belong to the genus Mycobacterium because organisms of this species have a unique property where they have a lipid rich mycolic acid exterior that prevents ordinary dyes from penetrating.
When decolorized and counterstained, they maintain the red of the carbolfushin, thus they are acid fast.
E. coli is affected by the decolorization by the acid achohol and counterstain by the methylene blue dye because they lack the mycolic acid layer, thus they are non-acid fast.
The independent variable in the student's experiment is the temperature at which the E. coli cultures are grown. This variable is manipulated to observe its effect on the dependent variable, which in this case would be the bacterial growth, typically measured by factors such as population size or growth rate.
DNA
Lactose uptake in E coli is an example of which type of transport?
it's an example of secondary active transport.
The best home remedy for E. coli is GSE (grapefruit seed extract). Follow package instructions, usually 10-15 drops every 2-4 hours. GSE is extremely bitter. My experience is that the best way to take it is to mix with a small amount of water (.5-1 oz.) then chase with carbonated water to remove the taste as soon as possible.
Drink plenty of water, including Smart Water or a similar electrolyte-infused water. Avoid Gatorade and other beverages that are high in sugar and sodium because they will worsen symptoms.
Do NOT use over the counter anti-diarrhea medicines because they may cause the bacteria to be absorbed into the bloodstream causing a much more serious infection.
Seek medical attention if dehydrated or pain management assistance is needed. Antibiotics are only used in the most severe cases because they are rarely effective against this bacteria in the digestive tract.
What would be the result when using e-coli in a sheep's blood agar plate?
Sheep blood agar inhibits gram negative bacteria. E. coli is gram negative.
How do you distinguish E. coli from pseudomonas?
E.coli is larger than pseudomonas and they have different motility
Bronchidius is a respiratory infection that takes place in the bronchi. The bronchi are two tubes that extend from the trachea, or windpipe. This infection makes you have a sore throat and a bad cough.
How are E. coli infections diagnosed?
The diagnosis of an E. coli infection is made through a stool culture. The culture must be taken within the first 48 hours after the start of the bloody diarrhea.
Can E. coli live in freezing temperatures?
Why is the E. coli O157:H7 bacterium of special concern in ground beef? E. coli O157:H7 can colonize in the intestines of animals, which could contaminate muscle meat at slaughter. O157:H7 is a strain of E. coli that produces large quantities of a potent toxin that forms in the intestine and causes severe damage to the lining of the intestine. The disease produced by the bacteria is called Hemorrhagic Colitis. E. coli O157:H7 survive refrigerator and freezer temperatures. Once they get in food, they can multiply very slowly at temperatures as low as 44 °F. The actual infectious dose is unknown, but most scientists believe it takes only a small number of this strain of E. coli to cause serious illness and even death, especially in children. It is killed by thorough cooking. Illnesses caused by E. coli O157:H7 have been linked with the consumption of undercooked ground beef. Raw milk, apple cider, dry cured sausage, and undercooked roast beef have also been implicated. http://www.fsis.usda.gov/Factsheets/Ground_Beef_and_Food_Safety/index.asp
n the Human Genome Project, pieces of human DNA are stored in E. coli or yeast. Discuss the purpose of this activity.
Does e coli produce hydrogen sulfide?
Yes ecoli does...by kenneth osafile uche...this h2s turn lead acetate paper black.
Why does streptomycin have a better effect on E-Coli than Staphylococcus Albus?
The structure of e.coli consists of a single cell wall that is not complicated while s.Albus has a cell wall of various poly peptide polymers. Therefore it can be concluded that s.albus may have a reduced effect in comparison to other bacteria.
Is E. coli a prokaryote or a eukaryote?
E.coli is a prokaryotic organism. It is a bacteria to be precise.
If infected by E. Coli how much blood would be in the stool?
There is quite a range, from no blood to grossly visible bright red blood in the stool.
The variability arises for a number of reasons. First is that E. coli infections lead to bloody stools because some strains of E. coli produce toxins that damage the lining of the bowel and lead to hemorrhage (bleeding). Not all strains of E. coli produce such toxins, so not all are associated with hemorrhagic diarrhea.
Another reason for the variability is that even if infected with a strain of E. coli that leads to bloody stools, the degree to which the toxin damages the lining of the bowel is variable. Some individuals are able to mount a successful immune response against the bacteria, so that it cannot damage the bowel lining enough to produce bloody stools. Others' immune responses may suppress E. coli's damage to the extent that stools are bloody, but not visibly so (this is called occult, or hidden, blood).
(By the way, all humans naturally contain E. coli in the colon; it is considered part of the normal flora of the colon. This relationship is considered colonization, not infection, and should not be thought of as a disease process. However, as we've seen above, there are different strains of E. coli out there. The strains found in the body are generally nonpathogenic strains, meaning they are not invasive and do not generally produce toxins.)
E. coli
Escherichia coli (commonly abbreviated E. coli) are bacteria that are commonly found in the lower intestine of warmblooded organisms. Most types of E. coli are harmless, but some can cause serious food poisoning in humans.
E. coli are not always confined to the intestine, and their ability to survive for brief periods outside the body makes them an ideal indicator organism to test environmental samples for fecal contamination.
How would the IMVic tests differentiate E. coli from Enterobacter aerogenes?
Indol Test ( Kovac's Reagent): E.a. = negative = yellow/gold ring at meniscus; as for E.c. = positive = red ring at meniscus (immediate change). Methyl Red Test (Methyl Red Reagent): E.a. = negative = yellow = pH > 7.0; as for E.c. = red color = pH < 5 (immediate change). Vogues-Proskauer Test (Napthol + KOH Reagent): E.a. = positive = reddish color (not immediate change); as for E.c. = negative = brown/yellow (straw color). Citrate (Bromothymol Blue Reagent - alkaline pH): E.a. = positive = blue color + growth; as for E.c. = negative = green color.
It usually come from uncooked meats. You usually do not run a fever wiith it. Bloody stools are ommon.
