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E coli research paper--academic scope .com
Negative gram bacteria types
E coli research paper--academic scope .com
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Escherichia coli are a bacterium that is a part of the Enterobacteriaceae family and it is in the Gamma Proteobacteria class. Escherichia coli are gram negative and have a straight rod shape. According to the Centers for Disease Control and Prevention, Escherichia coli are important for the health of the human intestinal tract (Escherichia coli, 2013)2. Even though Escherichia coli are important for the intestines it can also cause illness. Escherichia coli (2013)2 states there are certain types of Escherichia coli that causes diarrhea which most likely comes from contaminated food or water. While diarrhea is the most common illness that Escherichia coli can cause it is not the only illness that people can get from Escherichia coli. …show more content…
The researchers compared the stools of the patients to see if Escherichia coli could be the cause of all three infections. The researchers also wanted to see if Escherichia coli infected patients who were in remission who previously had ulcerative colitis. The researchers placed samples of Escherichia coli with the stools of the patients and let them sit in the incubator to assess the growth of bacteria (Axon and Burke, 1988)1. Axon and Burke (1988) found that while Escherichia coli can be the cause of diarrhea it wasn’t the cause of the different infections that some of the patients had. The researchers found that there had to be other factors that lead to the cause of the three different infections that were tested with Escherichia …show more content…
Escherichia coli are very common bacteria that are known to cause diarrhea in humans and animals. All of the studies that were reviewed were sort of alike because they all were trying to find treatments to help reduce the infections from Escherichia coli. The main difference in the studies was the methods the researchers used to treat Escherichia coli. Escherichia coli were an interesting topic to research because of all the different strains that can cause more or less severe health problems. In the end it is important to know the effects of Escherichia coli because it can be found in the foods people eat and cause illness if
E. Coli 0157, written by Mary Heersink, is a nerve-racking, adrenaline-filled story of a mother's experience with a then unknown deadly bacteria. The book brings up many reactions in its readers, especially the questioning of the practice of doctors in hospitals. The reader's knowledge base of scientific procedures in emergency centers was widened as well as the knowledge of how to the human body reacts to different agents in its system.
ABSTRACT: Water samples from local ponds and lakes and snow runoff were collected and tested for coliform as well as Escherichia coli. Humans as well as animals come into contact with these areas, some are used for recreational activities such as swimming and some are a source of drinking water for both animals and humans The main goal of this experiment was to see which lakes, snow run off and ponds tested positive for coliform or Escherichia coli and to come up with some reasoning as to why. It was found that the more remote pond with less contact contained the most Escherichia coli. However, another lake that many swim in and use as their drinking water indeed tested positive for a small amount of Escherichia coli. The two samples from the snow showed negative results for both coliform and Escherichia coli and the two more public ponds that aren’t as commonly used as a source of human drinking water but animal drinking water tested in the higher range for coliforms but in the little to no Escherichia coli range. It was concluded that the remote pond should be avoided as it’s not a safe source of drinking water for humans or animals. Other than that, the the other ponds are likely to be safe from Escherichia coli, but coliforms are a risk factor.
4. Although iron is a critical nutrient, and can be beneficial to your body, too much iron can allow infections to develop quicker. When Dr. Weinberg tested tetracycline by adding a bit of it to Petri dishes with bacteria and various other nutrients, Dr. Weinberg concluded that the dish that contained iron, even though the antibiotic was present, fostered an extreme amount of development of bacteria. The control variable in this experiment would be just the ...
The SMART goal for the patient’s diagnosis of diarrhea is that the patient will defecate formed, soft stool every 1 to 3 days and will express relief of cramping with little or no diarrhea. The intervention to meet this smart goal is the administration of fidaxomicin, a narrow spectrum antibiotic, to treat the infection of Clostridium difficile (Sears, 2013). Another nursing intervention for the treatment of diarrhea is assessing the patient for sodium and potassium loss, as well as explaining the prevention methods to avoid the spread of excessive diarrhea (Mitchell, 2014). The nurse must also provide proper skin integrity care to the peritoneal are and make the environment safe and easy for access to the bathroom. The SMART goal for the patient’s diagnosis of acute pain is that the patient will state relief of pain in abdominal area after treatment with opioids in a 24hr period. The nursing intervention for acute pain is the administration of opioids as well as positioning to keep patient in as much comfort as possible and take pressure off of the abdominal area. The nurse must also assess the patient’s vital signs and pain level
Nestle, Marion. Safe Food: Bacteria, Biotechnology, and Bioterrorism. Berkeley, CA: University of California Press, 2003.
Household bacteria have always been a problem. Millions of people each year get some sort of sickness from bacteria in their kitchen, bathroom, living room, etc. What if there were bacteria in your kitchen that could be deadly? This bacterium is called Escherichia coli. According to Oregon health Authority: “By one estimate, 10,000 to 20,000 E coli. Infections occur in the United States each year.” Many of us use disinfectants such as Clorox and Bleach every day but are these disinfe...
From these experiment many questions and future studies are brought to the table. Some questions about the experiment may include the reliability of the test suspects. Due to the different lifestyles and conditions of each test subject it could have and affect on the results of the experiment. Also the article states that there could have been a mistake in the values of PD__AMP. A future study similar to this may be hookworm’s effect on other disease like issues in the immune system. It would relate to the past two studies because in both of the previously done studies it tested the hookworm’s effect on issues with the immune system. The future studies could be improved by making the test suspects in the most similar conditions and lifestyles as possible. Also they could use a larger number of test subjects to have more accurate results.
Hats off to bacteria! This article summarizes that bacteria are good for our body and help us function a lot better. Bacteria live in our guts, in our mouths, and on our skin. Overuse of antibiotics has disturbed the bacterial ecosystem, possibly so much that it is irreversible. In 1999 Lawrence Brandt a professor of medicine and surgery at the Albert Einstein College of medicine had success when trying to help a patient combat diarrhea induced by clostridium difficile. A patient developed diarrhea after taking a course of antibiotics for sinusitis; nothing could shake her C.difficile infection. Brandt reasoned the initial antibiotic treatment had killed gut bacteria that promote digestive health; not knowing which strain to replace, he transplanted stool form her husband. That night she reported marked improvement- for the first time in six months. This procedure has helped patients, but hopefully in the future doctors will be able to administer the particular strain of bacteria that is needed. 99% of the bacteria we harbor are resistant to culture in the lab. It was this impossible to study bacteria until the last decade or so, when DNA sequencing techniques allowed researchers to obtain gene sequences from as little as one bacterial cell. With this researchers found that bacteria cells in our bodies outnumber our human cells. Bacterial exposure throughout our lifetime is needed for our wellbeing, thinking, and functioning, contributing to conditions such as diabetes, obesity, allergies, asthma, and atherosclerosis, as well as to anxiety and mood and cognition disorders. These conditions have become more prominent because of our obsession with sanitation has eliminated the exposure to bacteria humans used to routinely get throu...
However, health concerned organizations want to ban the use of these products due to the increasing fears that they can cause harm to the consumers. For over 50 years, antibiotics have been added to the food of animals such as poultry, cattle and pigs. The main purpose for doing so is to lower the risk of disease in animals. Farm animals are housed together in overcrowded areas, which are very dirty. The hygiene level can get to such a poor state that they are often in contact with their own excreta as well as excreta of the other animals they are housed with and because of tight single air space they share, the likelihood of catching diseases from one another is further increased and very often a whole heard can be infected at one time.
Salmonella are gram-negative bacteria that have been one of the major causes of food poisoning for many years. There are only two species of Salmonella; Salmonella bongori and Salmonella enterica. Salmonella has two phospholipid membranes and the peptidoglycan layer is located between the two membranes. There is an inner plasma membrane and an outer membrane. The space in between these membranes is the periplasm. The periplasm contains proteins that use electron transport chains and concentration gradients to gain energy. The outer membrane of salmonella contains lipopolysaccharide. Salmonella is rod shaped and it has flagella all around the cell body. This is called peritrichous flagella. The DNA of Salmonella is primarily found on one chromosome, and depending on the subspecies of Salmonella they also harbor one or two plasmids.
Introduction : in this lab we are trying to see what location makes bacteria grow faster and which one has the most . All bacteria reproduce and their DNA floats freely in cell . Eubacteria contains cell wall made of peptidoglycan, but archaebacterias cell wall isn't made of peptidoglycan. Eubacteria is found everywhere but archaebacteria is found in extreme hostile environments.
coli was first identified in 1975 but it was not until 1982 that the Center of Disease Control and Prevention knew what caused it. There are several different strains of E. coli. The one that I am going to focus on is Escherichia coli 0157:H7. This certain strain of E. coli is found in the intestines of cows. For every ten thousand people ate least three are affected. Which means that one percent of food poisoning cases is caused by E. coli. It is normally transmitted through food made from the animal itself. Things like raw milk or rare ground beef. E. coli symptoms appear slower than those of food-borne bacteria. The reason why is that the toxins of E. coli are produced in the large intestine. So you will start exhibiting symptoms normally in three days. You will have the cramps and diarrhea but after twenty-four hours’ blood may start to appear in your stool. This should last one to eight day. In some cases, E. coli victims can develop hemolytic- uremic syndrome, which will cause your kidneys to fail and then you will have to receive dialysis the rest of your
In April 2008 the In Vitro Consortium first met at the Norwegian Food Research Institute. The consortium is “an international alliance of environmentally concerned scientists striving to facilitate the establishment of a large scale process industry for the production of muscle tissue for human consumption through concerted R&D efforts and attraction of funding fuels to these efforts.”Meat in both its production and its consumption has a number of destructive effects on not only the environment and humans but also live stock. Some of these effects are antibiotic resistant bacteria due to the overuse of antibiotics in livestock, meat-borne pathogens (e. coli), and diseases associated with diets rich in animal fats (diabetes). Meat consumption all over the world is increasing making meat a global issue. As a result many researchers have been trying to create meat substitutes to minimize the impact of consumption. Substitutes, to date, have been made from soybeans, peas, or even from animal tissues grown in a culture.
Urinary Tract Infection, also known as UTI, occurs in two common locations, the bladder and kidneys. The kidneys are important organs that aid in filtering out waste products from blood and maintaining water distribution throughout the body. The waste products are filtered out via bladder, which is the reason of the bladder being the second site for the infection. A normal human being has two kidneys, one on left and right side, a bean shaped organ, and is located at the back of the abdomen. “Each kidney is about 11.5 cm long, 5-7.5 cm broad, 5 cm thick, and weight about 150 grams” (HealthInfoNet, Paragraph 2). Furthermore, a bacterium named Escherichia coli lives in both the kidneys and the GI tract. E. coli is part of the human body and produces
When antibiotics first began to see widespread American usage in the 1940’s, they were heralded as a miracle drug, a description that was not far from the mark considering the great number of debilitating or fatal illnesses that they could rapidly cure. In a time where bacterial diseases that today carry few serious health risks in healthy adults—such as strep throat, ear infections, syphilis, and wound infections—often led to serious debilitation or death, the invention of antibiotics was among the greatest single improvements in public health ever made. And today, more than three quarters of a century after Alexander Fleming discovered the antimicrobial properties of penicillin, antibiotics are as important as ever in maintaining a healthy population, from their ability to treat common infections to the safeguards they provide patients undergoing surgeries and other infection-prone procedures that could otherwise be too risky to perform. However, today many doctors and researchers are beginning to fear that this golden era of antibiotics may be coming to an end due to the ever-increasing threat of antibiotic resistance. There are a number of practices that contribute to increased antibiotic resistance, including the unnecessary prescription, improper dosage, and incorrect usage of antibiotic drugs by humans. But one of the major potential causes of antibiotic resistance does not involve human patients at all. Rather, many believe that the excessive use of antibiotics in food animals is among the leading threats to the future of human ability to fight bacterial infections.