Anaerobes

Question 1

What are the features of bacteroides fragilis?

Answer 1

most common gram - rod anearobe, B-lactamse positive, coon, abscesses, metroniazide or clindamycin

Question 2

What are the features of fusobacterium nucleatum?

Answer 2

gram - rod, anaerobe, pointed ends, colon and oral, abscesses, penicillin G

Question 3

What are the features of prevotella/porphyromonas?

Answer 3

gram - rod, anaerobe, black-pigmented, oral and colon, abcesses, penicillin G

Question 4

What are the features of peptostreptococcus?

Answer 4

gram + cocci, anaerobe, all sites, abscesses, penicillin G

Question 5

What are the feature of mobiluncus?

Answer 5

gram variable, bacterial vaginosis, anaerobe, no inflammatory response, decrease in lactobacilli, mixed infection with facultatives, fishy smell, frothy green, yellow or white discharge, pain and itching, clue cells, pH >4.5, whiff test, metronidazole

Question 6

What are the features of propionibacterium?

Answer 6

skin, acne, bacterial endocarditis (rare), prosthetic joint infection

Question 7

What are the features of lactobacillus?

Answer 7

rare human pathogen, normal flora, vagina, dec. in lactobacilli due to AB, decreased estrogen, use of iud and douching, intestine: probiotic