Key bacteria Flashcards
What gram is chlamydia?
Gram negative
Chlamydia is an obligate what?
Obligate intracellular pathogen
Describe the two life stages of chalmydia
Elementary bodies – metabolically ad reproductively inactive; enter epithelial cell
Reticulare bodies - active, reproduce inside cell
What diseases can chlamydia cause?
- Conjunctivitis / trachoma – common cause of blindness in developing world
- Dysuria, Urethritis, epididymitis, PID - though
asymptomatic in up to half of cases
How is chlamydia transmitted?
Sexually
Fomites - towels, clothing, flies
How is chalmydia treated?
Antibiotics
Discus pseudomonas aeruginosa’s metabolism
Strictly aerobic, nonfermentinc, highly motile
Gram negative
Very able to form biofilms
What problems does pseudomonas aeruginosa commonly cause?
Chronic UTIs, wound infections , respiratory infections
Who is particularly at risk from pseudomonas aeruginosa infections?
Burn victims, cystic fibrosis
/ COPD patients with vulnerable airways
Basic facts about S. Epididermis
Gram positive Facultative aerobe Nonmotile Halotolerant Coagulase negative Forms biofilms Found ubiquitously on skin
How can we differentiate staph. epididermis and staph. aureus?
Staph. epididermis = tests negative on mannitol sugar culture
Basic facts about enterococcus faecalis
Gram positive, coagulase negative
Common results of enterococcus faecalis?
Bacteremia Endocarditis Peridontitis UTIs wound infections
