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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
Can E coli be spread by ice cream?
I believe yes, it could travel from the infected cow to its nipples, then made into ice-cream from the infected milk that the cow produces.
I think what you mean by "E Coli H0157" is the bacterium that is the best known serotype of "Enterohemorrhagic E. Coli" and known by its more formal scientific name of Escherichia coli 0157:H7. Transmitted from undercooked hamburger meat and raw milk, it releases verotoxin, which causes inflammation of the lower gastrointestinal tract, often resulting in bloody bowel movements, potentially several other illnesses and/or death. It is mainly with cattle meat, i.e beefburger.
Why does E-coli grow in nutrient broth better than in thio-glycolate broth?
The purpose of the thio-glycolate broth, which, if memory serves, is a semi-solid agar, is to determine oxygen requirements. E. coli is a facultative anaerobe which means it prefers aerobic conditions but can grow (to a lesser extent) anaerobically. So you will see growth at the top of the thio-glycolate tube mainly where there is oxygen, perhaps some just along the shallow stab line from inoculation. It will not permeate throughout the medium since it prefers aerobic respiration and oxygen is available at the top.
Does cold temperature kill e coli?
No, however it does is slow down it's growth. Heat up to temperatures of at least 255o F to ensure any possibilities of the bacteria are destroyed. To ensure that surfaces are clean and bacteria free wash surfaces with a clean cloth in hot soapy water, although it my be better to use products on the market that have now been designed to destroy the bacteria. The use of such products should be carefully considered when using on surfaces that are being used for the preparation of food but products are available and have been designed for use on food surfaces.
What is the minimum temperature for E. coli?
The growth of Escherichia coli cells is impaired at temperatures below 21 degrees C and stops at 7.5 degrees C; however, growth of a transgenic strain producing the cold-adapted chaperones Cpn60 and Cpn10 from the psychrophilic bacterium Oleispira antarctica is good at low temperatures. The E. coli cpn(+) transgene offers a novel opportunity for examining the essential protein for cell viability at low temperatures.
Can you wash clothes with e-coli in water?
You can however, whilst the body has a very small trace of E. Coli in the gut to actually immerse yourself in contaminated what would certainly result in infection
What is the natural habitat of E. coli?
The E. coli was first identified in the colon region of large intestine and so it was given the name "coli" (found in colon) they are coliforms. It luxuriously grows in our large intestine and it is an important normal microflora of human. Most strains won't do any harm when present in the intestine. If they enter the blood or other sites of the body, the bacteria can cause infections, including urinary tract infection. E. coli lives inside you! It is found in your intestines and also your feces. This is why E. coli is a problem in places with poor water sanitation. The fecal material gets into the water and contaminates it.
E. coli infection occurs when a person ingests Shiga toxin (Stx)-producing E. coli (e.g., E. coli O157:H7) after exposure to contaminated food, beverages, water, animals, or other persons. After ingestion, E. coli bacteria rapidly multiply in the large intestine and bind tightly to cells in the intestinal lining. This snug attachment facilitates absorption of the toxin into the small capillaries within the bowel wall, where it attaches to globotriaosylceramide (Gb3) receptors.
Inflammation caused by the toxins is believed to be the cause of hemorrhagic colitis, the first symptom of E. coli infection, which is characterized by the sudden onset of abdominal pain and severe cramps, followed within 24 hours by diarrhea (Boyce, Swerdlow, & Griffin, 1995; Tarr, 1995). Hemorrhagic colitis typically occurs within 2 to 5 days of ingestion of E. coli, but the incubation period, or time between the ingestion of E. coli bacteria and the onset of illness, may be as broad as 1 to 10 days.
As the infection progresses, diarrhea becomes watery and then may become grossly bloody, that is, bloody to the naked eye. E. coli symptoms also may include vomiting and fever, although fever is an uncommon symptom.
On rare occasions, E. coli infection can cause bowel necrosis (tissue death) and perforation without progressing to hemolytic uremic syndrome (HUS)-a complication of E. coliinfection that is now recognized as the most common cause of acute kidney failure in infants and young children. In about 10 percent of E. coli cases, the Shiga toxin attachment to Gb3 receptors results in HUS.
HUS had been recognized in the medical community since at least the mid-1950's; however, the syndrome first caught the public's attention in 1993 following a large E. coli outbreak in Washington State that was linked to the consumption of contaminated hamburgers served at a fast-food chain. A total of 501 E. coli cases were reported; 151 were hospitalized (31 percent), 45 persons (mostly children) developed HUS (9 percent), and three died (Bell, et al., 1994).
During HUS, the majority of the toxin gains access to the systemic circulation where it becomes attached to weak receptors on white blood cells (WBC) thus allowing the toxin to "ride piggyback" to the kidneys where it is transferred to numerous strong Gb3 receptors that grasp and hold on to the toxin.
Organ injury is primarily a function of Gb3 receptor location and density. These receptors are probably always in the gut wall and kidneys, but heterogeneously distributed in the other major body organs. This may be the reason that some patients develop injury in other vital organs (e.g., brain, etc). Once Stx attaches to receptors, it moves into the cells' cytoplasm where it shuts down the cells' protein machinery resulting in cellular injury or death, and subsequent damage to vital organs such as the kidney, pancreas, and brain.
Is E coli is good or bad for human?
E. Coli is found in your intestines. It's a bacteria that's good in small amounts because it helps your body function normally.
It's bad because if you get too much of it it can make you seriously ill.
Methylene blue stained E. coli?
Methylene blue can be used to stain E. coli so you can look at it under a microscope. As an alternative, you could try gram staining.
Can you come down with ecoli being around someone with ecoli?
It is possible to give E.coli to someone. The E. coli bacteria can spread to another person if proper hygiene is not practiced. For instance, a person who did not wash their hands after a bowel movement can spread E. coli to another human if their hands came in contact with one another.
Can ecoli be dangerous when you have it in your urine?
E Coli is dangerous in the urine if it is not treated. Left untreated, it can result in sickness and even death.
Yes, dogs can get both E. coli and Giardia. E. coli is a bacterial infection, typically in the gastrointestinal tract although urinary tract infections and skin infections are not unheard of. Giardia is a protozoal parasite that can be found in water; infections are typically limited to the gastrointestinal tract.
Can e.coli transferred from one person to another?
Escherichia coli is a gram negative coliform bacterium found in the intestines. The bacterium is spread by non-hygienic handling of foods. Any method of handling food that allows them to come in contact with fecal material is a route of transfer. Tying off the rectum so as to retain the intestinal contents during slaughtering/field dressing is one method of avoiding transfer. So are washing the hands and wearing disposable gloves and sanitizing all food handling tools and surfaces. A recent E. colirelated food recall was attributed to using irrigation water that had been contaminated by wild/feral pigs. The fecal coliform count is a method used to describe water quality. It is considered unhealthy to swim in water with a count higher than 1000. There are four classes of enterovirulent E. coli. You can read more about them in the FDA Bad Bug Book. See Related Links.
How do antibiotics work to kill e coli?
To kill E.coli, antibiotics destroy its molecular coating, which allows the body's immune system to kill the bacteria.
What conditions do e Coli live in?
E. coli thrive in warm-blooded animals, including humans, and prefer environments with temperatures around 37°C (98.6°F), which is the average body temperature. They are facultative anaerobes, meaning they can survive in both oxygen-rich and oxygen-poor conditions. E. coli also require moisture and typically inhabit the intestines, where they benefit from nutrient-rich conditions. Outside the host, they can survive for varying periods in water, soil, and on surfaces, depending on environmental factors.
What characteristics does Enterotoxigenic E. coli have?
Methods for detection of this type of bacteria are under development, including culture growth media selective for this organism. Immunomagnetic separation and specific ELISA, latex agglutination tests, colony immunoblot assays.
