Microbiology 3302 Spring 2013 – Getting Friendly with Bacteria

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  • #13265

    03/31/13

    To whom it may concern

    I, Staphylococcus intermedius, has a cell wall consists of a very thick peptidoglycan layer. I am a Gram positive member of the bacterial genus Staphylococcus consisting of clustered cocci. I am facultative anaerobes, but mainly grow by aerobic respiration, or fermentation that produces lactic acid. My Secretions are numerous, but include surface associated adhesins, endotoxins, exoenzymes, capsular polysaccharide. the capsule is responsible for enhanced virulence of a mucoid strain. I am a type of bacteria that causes skin infections in dogs. The Low levels of this bacteria that are normally present on the dog’s skin and mucus membranes, and generally do not cause a problem. However, all it takes is a small wound or irritation to make the dog lick a certain area of his skin repeatedly, transferring bacteria from the mouth to the skin. Once exposed to air, the bacteria take advantage of their new living conditions to begin reproducing out of control and cause an infection. Often these conditions include an immune related disease in the dog, malnutrition, injury or trauma or other change in the dog’s environment. Also, I am responsible for canine pyoderma, a widespread inflammatory skin disease. I am a very rare human pathogen; however, I am an animal pathogen, mostly dogs. I am known to carry many virulence factors. Strains of this species were originally isolated from the anterior nares of pigeons, dogs, mink, and horses. Many, but not all, of the isolated strains show coagulase activity. Clinical tests for detection of methicillin-resistant Staphylococcus aureus may produce false positives by detecting S. intermedius, as this species shares some phenotypic traits with methicillin-resistant S. aureus strains. I am also generate toxins and enzymes that can destroy both red and white blood cells. My family members are Staphylococcaceae, but also I do have a close relative named streptococci in which we have similar shape, they form chains because they divide only in one plane . My friends are S. pseudintermedius, S.delphini. I also have beautiful pictures of me and you will be able to see them below. However, I hope you would consider all the information I gave above and would be enough to convince that I am a famous disease in animals especially in dogs. If you need other information, please feel free to contact me at http://www.vetinfo.com/; http://en.wikipedia.org/wiki/Staphylococcus_intermedius; and http://medical-dictionary.thefreedictionary.com/Staphylococcus+intermedius. Thank you.

    #16782

    Ma
    Participant

    Hey Staphylococcus intermedius!!! I am Staphylococcus pyogenes. Nice to meet you here!!

    #16784

    it was a pleasure to meet you too, Staphylococcus pyogenes. please tell me what is your structure?

    #16787

    Ma
    Participant

    The cell surface structure of Group A streptococci is among the most studied of any bacteria. The cell wall is composed of repeating units of N-acetylglucosamine and N-acetylmuramic acid, the standard peptidoglycan. Historically, the definitive identification of streptococci has rested on the serologic reactivity of “cell wall” polysaccharide antigens as originally described by Rebecca Lancefield. Eighteen group-specific antigens (Lancefield groups) were established. The Group A polysaccharide is a polymer of N-acetylglucosamine and rhamnose. Some group antigens are shared by more than one species. This polysaccharide is also called the C substance or group carbohydrate antigen.

    #16959

    Andrew Wills
    Participant

    hey Staphylococcus Intermedius it is nice to meet you. would you like to be my friend?

    #16967

    It was a pleasure to meet you my friend!

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