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microbiology

Terms

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Bacillus anthracis
Anthrax, Soil, Non-motile, Tissue damage and Edema
Acinetobacter
Pneumonia, Sepsis, UTIs, NOSOCOMIAL
virulence
the relative severity of pathogenesis
Escherichia coli
most abundant facultative anaerobe, ferments lactose, OHK antigens, UT Bladder and Kidney Infections, Septicemia, Pneumonia, Meningitis, Diarrhea, Dysentery, Hemolytic Urea Syndrome
Camphylobacter jejuni
urease negative, enterocolitis (foul smelling water stool, bloody stool, abdominal pain, fever), unpasteurized milk
Bacteroides fragilis
Anaerobic, Non-spore forming, Colon, Intra-abdominal infections
Septic Shock
Sepsis with development of hypotension
Mycoplasma hominis
PID (infrequently)
Strep. pyogenes
M protein (Group A), Pharyngitis, Impetigo, Erisypelas, Pneumonia, Cellulitis, Rheumatic Fever, Glomerulonephritis, Scarlet Fever, Toxic Shock Syndrome, Necrotizing Fasciitis
Klebsiella pneumonia, Enterobacter, Serratia marsescens
Nosocomial pathogens, UTIs, pneumonia, thick, bloody sputum (one species)
pathogens
microorganisms that initiate and spread disease
Enterobacteriaceae
Facultative anaerobes, Ferment glucose, Oxidase negative, Colon, Endotoxin, Gram -
Bordetella pertussis
Whooping cough, Major toxin, Kills ciliated cells
Proteus vulgaris and mirabilis, Providencia rettgeri, Morganelli morganii
UTIs, urease +, highly motile
Heliobacter pylori
gastric and duodenal ulcers, gastritis, stomach cancer risk, urease
Clostridium tetani
Anaerobic, Toxin releases inhibitory transmitters at synapse, Contraction
colonization
ability of microorganism to remain at a particular site and multiply
Vibrio parahaemolyticus
diarrhea after eating shellfish
Enteropathogenic E. coli
Infant diarrhea (at birth), alter microvilli, watery diarrhea
Staphylococcus aureus
Boils, Impetigo, Cellulitis, Osteomyelitis, Septic Arthritis, Necrotizing Pneumonia, Endocarditis, Sepsis, Gastroenteritis, Toxic Shock Syndrome, Scalded Skin Syndrome
Chlamydophila trachomatis
urethritis, cervicitis, salpingitis (PID), prostatitis, proctitis, clear/watery discharge,lymphogranuloma venereum (genital lesions), trachoma (eye infection - leading cause of blindness), Intracellular (Cell lysis to release bacteria)
Bacillus cereus
Food Poisoning, Emetic and Diarrheal forms
Neisseria gonorrheae
LPS (Fever and Shock), Pilli bind mucosal surfaces, Urethritis, Cervicitis, Proctitis, Pharyngitis, Conjunctivitis, Pyogenic Infection, Septic Arthritis, most women asymptomatic
Chlamydophia psittaci
pneumonia, bird feces
Mycoplasma pneumoniae
Lower respiratory tract infection w/ headache, fever, and cough, Atypical pneumonia, necrosis of epithelium
Legionella pneumophila
Facultative aerobe, intracellular parasite, Legionairre's disease, inhalation of water vapor, Atypical pneumonia
Moraxella catarrhalis
Bronchitis, Sinusitis, Otitis media, Bronchopneumonia
Enteroinvasive E. coli
Epithelial of large intestine, dysentery
Bacteremia
Bacteria in Blood
Clostridium perfringens
Gas gangrene (war wounds), Food poisoning, Hyperbaric treatment
Staphylococcus epidermidis
Prosthetic infections (forms biofilm), Capsule
Mycoplasma
No cell wall, cholesterol (from host cell)
Enterotoxigenic E. coli
Montezuma's revenge and infant diarrhea, Heat Labile toxin (Hypersecretion of Electrolytes)
Pasteurella multocida
Dog and cat bites, spreading cellulitis
Strep. mutans
Viridans group, Dental Caries, Endocarditis, Bacteremia
Vibrio cholerae
rice-water stool, massive fluid and electrolyte loss, Toxin activates adenylate cylcase increasing cAMP
Strep bovis
Nosocomial UTIs, Enocarditis
Septic Shock Activators
LOS, Lipoproteins, teichoic acid and peptidoglycan (gram + cell wall components)
Refractory Septic Shock
Hypotension of sepsis not pharmacologically treatable
Salmonella
produce H2S, Multiple flagella, intracellular parasite, Endotoxin
Otitis media*
Strep. pneumoniae and Haemophilus influenzae
infection
colonization of host, may lead to pathogenesis
Enterohemorrhagic E coli
O157:H7, Hemorrhagic colitis, verotoxin =>Shiga toxin, bloody diarrhea, Zoonotic origins
Disseminated Intravascular Coagulation (DIC)
body's attempt to isolate toxin
Catalase +
Staphylococcus NOT Streptococcus
Brucella
Undulant fever, Endotoxin
Strep. pneumoniae
Meningitis, Acute Pneumonia, Otitis media, Capsule
Salmonella typhi
Typhoid fever=>bacteremia, fever, 1 serotype
Bartonella henselae
Facultative, intracellular gram - rod, Cat bites and scratches, Lymphadenopathy, Fever, Vascular Lesions (Kaposi's Sarcoma)
Bacillus
Endospores
Salmonella enterica
Gasteroenteritis, Nausea, Diarrhea, Vomiting, 1500 serotypes
Staphylococcus saprophyticus
UTI, Gram +, Pyogenic Infections only, NO exotoxins
Gram - Cocci
Neisseria, Moraxella, Acinetobacter
Strep.agalactiae
Group B, Meningitis, Pneumonia, Bateremia in neonates
Bacillus subtilis
Opportunistic Infection
Listeria monocytogenes
Intracellular Pathogen, Motile, NO spores, Meningitis in immunocompromised, Abortions, Bacteremia and Endocarditis
Ureaplasma urealyticum
non-gonococcal urethritis
Neisseria meningitidis
LOS, Capsule, Meningitis in Neonates and dorms, pneumonia, arthritis
Clostridium botulinum
Toxin blocks release of transmitters into synapse, Flaccid paralysis, Floppy Baby Syndrome
Gram + Facultative Cocci
Staphylococcus, Streptococcus, Enterococcus
Clostridium difficile
Antibiotic-associated diarrheas, Nosocomial, Exotoxin, Pseudomembranous exudates
Francisella tularensis
Tularemia, ID 50 = 10, Rabbits, deer, rodents, Ulceration, Granulomas
Chlamydophila pneumoniae
Atypical pneumonia, bronchitis, gradual onset of cough
Corynebacterium diphtheriae
Diptheria (pseudomembrane), AB toxin interrupts EF-2, DPT vaccine
Coagulase +
Staph. epidermidis NOT Staph. saprophyticus
Systemic Inflammatory Response Syndrome (SIRS)
inflammatory response to infection; results in sepsis
Gram + Bacilli
Corynebacterium, Bacillus, Listeria
Pseudomona aeruginosa
Aerobe, NO glucose fermentation, Oxidase +, fruity color, motile, Nosocomial UTIs , pneumonia, grows in water, infects burns and wounds, infections of skin, eye and otitis externa
Shigella
Bloody diarrhea with mucous, abdominal cramping, ID 50 >100
Haemophilus influenzae
endotoxin and capsule, Otitis media, Sinusitis, Bronchitis and pneumonia, Meningitis, and Epiglottitis
Yersinia pestis
Buboes, flea vomit, Septic shock, Vascular necrosis, Purulent pneumonia
Lancefield Groups A-U
Streptococcus
Enterococcus faecalis and faecium
Colon, Nosocomial, UTIs, Bacteremia, Wound Infections, Endocarditis

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