What is the gram stain and shape of the most common probiotic, which is normal microbiota of mouth, gut, vagina
Gr +
Rod
Non-endospore former
This is lactobacillus
Lactic acid is the major fermentation product of this bacteria, but it can also be involved in the progression of ______, and sometimes also affecting the heart causing _____
Dental caries (progression, NOT initiation)
Endocarditis
This is lactobacillus
When I say pleomorphic, no cell wall, you think:
Mycoplasmas
T/F: most common form of mycoplasma is mycoplasma genitalium
False; it’s the pneumonia one: mycoplasma pneumoniae
Urogenital mycoplasma organisms:
Mycoplasma genitalium
Mycoplasma hominis
Ureaplasma urealyticum/ ureaplasma parvum
T/F: mycoplasma lack cell membrane
False; they lack cell WALL, making them pleomorphic. They have cell membrane, and it contains sterols
Mycoplasma cell membranes contains ____, making it hard for them to survive outside of us
Sterols
Mycoplasma lack _____, making them ______ to penicillin and cephalosporin
Cell wall
Resistant
T/F: Ureaplasma is urease-positive, but mycoplasma is not
True
Beta hemolytic, anaerobe, gram variable rod with thin wall:
Gardnerella vaginalis
Gardnerella exists planktonically as _____
Biofilms in vagina
Bacterial vaginosis discharge consistency is _____, and the amine odor whiff test _____
Thin white, gray discharge
Fishy smell
What are clue cells?
Vaginal epithelial cells that are heavily coated with Gardnerella vaginalis
