Microbio1 Flashcards
What bacteria is gram negative but has no LPS?
Mycoplasma pneumoniae
Which bacteria are gram negative? (13)
S. Typhii, e.coli, shigella dysenteriae, y pestis, v cholerae, rickettsia rickettsii, r.prowazekii, r.typhii, o.tsutsugamushi, chlamydia trachmomatis, c.pneumoniae, c.psittaci, mycoplasma pneumoniae
Which bacteria use AB toxins?(4/6)
Cornyebacterium diptheriae, clostridium tetani, c.botulinum, bacillus antracis (also shigella, v.cholerae)
Which rickettsial microbe is worst? What does it cause?
Rickettsia prowazekii, causes epidemic typhus (accidental human reservoir)
What microbes cause purulent infections?
N. Meningiditis and gonnorrhoeae, strep pyogenes, staph aureus
Which microbes have a capsule?
Strep pneumoniae, staph aureus, staph epidermidis, y.pestis, nmeningiditis, b anthracis
What does it mean that m. Tuberculosis is “acid-fast staining”?
Cells remain stained even after extended acid-alcohol wash
Which microbe requires host cell amino acids?
Rickettsia
Which microbe requires host ATP/NADH?
Chlamydia
Which microbe requires host sterols?
Mycoplasma
Cutaneous mycoses are caused by what dermatophytes? (3)
Tricophyton, epidermophyton, micosporum
What are the five types of tinea?
Pedis, capitis, corporis, cruris, unguium
What are four types of opportunistic fungi?
Candida, aspergillus, cryptococcus, pneumocystis
What are the four types of candida?
C. Albicans, c.kefyr, c.krusei, c.glabrata
What are three targets for antifungals?
Forming pores in ergosterol membranes, inhibiting ergosterol synthesis, or targeting the rigid cell walls
