This is commonly found in Escherichia Coli (E.coli) and especially in uropathogenic E.coli (UPEC) where it is present in the urinary tract and kidney. This pilus is encoded by the pap gene cluster. This cluster has both a regulatory and a biosynthesis role for the fimbrial sub units
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bladder‚ which allow irritants in the urine to leak through the coating of the bladder into the interstitium where all the nerves and nerve endings are located. Cystitis is a common type of urinary tract infection (UTI) caused by bacteria call Escherichia coli usually it occurs when then urethra and bladder become infected the area becomes irritated and inflamed. Cystitis is common in both sexes and all ages. More commonly found in females than males. Cystitis most commonly develops in the bladder
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Extended Experimental Investigation Year 11‚ Microbiology BYRNES‚ Olivia Extended Experimental Investigation Year 11‚ Microbiology BYRNES‚ Olivia Abstract The following report discusses whether the bacteria E.coli K12 are able to gain resistance to nickel and aluminium over generations. It discusses the importance of bacteria and how it is used throughout everyday life. It discusses that some bacteria is used for human applications and shows how it can be helpful in certain situations
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Dr. GEORGE ROMBO Cholera This is an infection of the small intestine caused by bacterium vibrio cholera. Transmission is mostly from the fecal contamination of food and water that is caused by poor sanitation Susceptibility About 100 million bacteria must typically be ingested to cause cholera in a normal healthy adult. Children are also more susceptible with 2- 4 year old having the highest rates of infection Individual susceptibility to cholera is also affected by their blood type with
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The Shiga toxin comprises a family of related protein toxins produced by bacteria Shigella dysenteriae. The bacteria S. dysenteriae was discovered by Japanese bacteriologist Kiyoshi Shiga in 1898. Shiga studied 36 patients at the Institute for Infectious Diseases (Tokyo‚ Japan) and isolated a bacterium from the intestinal tissue of dysentery patient. Bacterial isolates were cultured and fed to dogs; that resulted in dysenteric disease (Shiga‚ 1898). Shigella belongs to enterobacteriaceae bacterial
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called the lac operon‚ found within E. coli is responsible for creating enzyme that catabolize lactose. Since lactose is a disaccharide‚ monosaccharides are produced from this catabolic reaction and used for immediate energy within the cell. 1 Escherichia coli ‚ abbreviated E. coli ‚ is a Gram negative‚ anaerobic‚ bacterium‚ that is commonly found in the lower intestine of warm blooded organisms. “E. coli and related bacteria possess the ability to transfer DNA via bacterial conjugation
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Factory Farming: Feast or Famine J.R. Phillips DeVry University Throughout history‚ human beings have grouped themselves together in communities. The concept of communities offered two major benefits; first‚ defense against enemies that might threaten the community. And second‚ the ability to sustain a constant food source to subsist on year-round. The need for a constant food supply became a major factor in early farming practices (Pollan‚ 2006) through animal husbandry
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The Effects of Antibiotics on Bacterial Growth Biology II 1996 Bacteria are the most common and ancient microorganisms on earth. Most bacteria are microscopic‚ measuring 1 micron in length. However‚ colonies of bacteria grown in a laboratory petri dish can be seen with the unaided eye. There are many divisions and classifications of bacteria that assist in identifying them. The first two types of bacteria are archaebacteria and eubacteria. Both groups have common ancestors dating to more
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Staining and Gram Staining Techniques by observing E. Coli and S. Pyogenes under the Compound Light Microscope INTRODUCTION: A German bacteriologist‚ Dr. Theodore von Escherich‚ was the first man in 1885 who discovered the bacterium named Escherichia coli‚ which are gram negative and appears in rod shaped. Most kind of bacteria E. Coli does not cause diseases and some strains indeed are beneficial in helping the process of food breaking down in the intestines. However‚ “the most infamous strain
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Quantification of Microbes in Milk and Water Naomi Hall 10/20/14 BSC 381L H003 Group: Megan Baker‚ Katie Coe and Meagan Williams Abstract Coliforms are gram negative bacteria commonly found in the intestines of birds and mammals and are the most widely utilized indicators of fecal contamination. The purpose of this experiment was to test various water and milk samples for the presence of coliforms‚ specifically fecal coliforms. It was expected that fecal coliforms would be found in all
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