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Aeromonas hydrophila

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by Brianna Martz on 1 May 2013

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Transcript of Aeromonas hydrophila

By Bri Martz Aeromonas hydrophila Morphology Prevention and Treatment Commonly Found In Pathogenic Factors Diseases Continued... References and Questions Susceptible LipoPolySaccharides Fresh and Brackish Water Respiratory http://cid.oxfordjournals.org/content/38/8/1084.full.pdf Facultative Anaerobes Opportunistic Pathogens Rivers and Streams Rainwater Swimming Pools Seawater Tapwater Soil Lakes Springs More Common in Warm Climates but can Survive Refrigeration Blood-borne Skin and Soft-Tissue Oxidase Positive Diseases Polymicrobic - has been found w/ Sepsis/Septicemia Myonecrosis Cellulitus Necrotizing Fasciitis Choleric - rice water Dysenteric - blood and mucus Pneumonia Epiglottitis Empyema Lung Abscesses Intra-Abdominal Peritonitis Cholangitis Medicinal Leech Therapy Rods w/ Rounded Ends Polar Flagella Nonsporulating Indole Positive Gram Negative Gastroenteritis http://microbewiki.kenyon.edu/index.php/Aeromonas_Hydrophila http://cmr.asm.org/content/23/1/35.full#sec-13 http://iai.asm.org/content/68/5/2808.full http://www.ncbi.nlm.nih.gov/pubmed/3888508?dopt=Abstract&report=abstract http://www.ncbi.nlm.nih.gov/pubmed/10794154?log$=activity http://www.ncbi.nlm.nih.gov/pmc/articles/PMC97569/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC356039/ Lowest temp grown? Alpha or Beta hemolytic? TTSS, what does it do? S layer - resistant to complement lysis O antigens - immunodominant portion Capsule TTSS - Type 3 Secretion System uses a protein as sensory probe to find cells; secretes proteins to help infect cells Toxins hemolysins proteases enterotoxins acetylcholinesterase Use good hygienic techniques - especially with wound care Tetracyclines Quinolones Chloramphenicols Resistant Penicillins Cephalosporins most Aminoglycosides Different treatments are used for different infection sites debridement, amputation, skin grafting intubation, chest tube almost always includes antibiotic regimen surgical removal of infected tissue Fish and Amphibian Diseases Fin Rot Tail Rot Ulcers Red Leg Hemorrhagic Septicemia Scale Protrusion Disease Portals of Entry E. coli, K. pneumonia, S. aureus
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