Alcaligenes, Neisseria, and Acinetobacter Flashcards
_______ is a gram negative, obligate aerobe that can be found in a variety of clinical materials as well as the soil, water, and intestinal tract of vertebrates as a saphrophyte
Alcaligenes; idk there’s like two sentences on this one
What are the species of importance for Neisseria? (2)
Neisseria meningitidis
Neisseria gonorrhoeae
What do the two species of Neisseria cause and in what species?
meningococcal meningitis and gonorrhea in humans
Both species of Neisseria require _______ media for growth
iron-containing
Fatty acids enhance/inhibit the growth of Neisseria?
Inhibit
Neisseria ______ is the second leading cause of meningitis in humans
meningitidis
Neisseria meningitidis is more common in _____ countries and colonizes the _______ of humans
developing
nasopharynx
What are the two populations that have the highest risk of contracting Neisseria meningitidis?
Children 6-24 months old
Military recruits
_______ class antibodies can bind to Neisseria meningitidis and block the adherance of IgM and IgG
IgA
Majority of disease caused by Neisseria meningitidis is presented as having what?
septic shock and/or meningitis
__________ is the most common venerally transmitted disease in the US
Neisseria gonorrhoeae
What are the three toxins of Neisseria gonorrhoeae?What do they do?
Lipopolysaccharide: damages host cells
Peptidoglycan monomers: damaged ciliated epithelial cells
IgA protease: Produced by all strains of N. gonorrhoeae
What cells do Neisseria gonorrhoeae colonize?
mucosal surfaces lined with columnar epithelium cells
_______ is the species of Acinetobacter that accounts for most human infections
Acinetobacter baumannii
Acinetobacter can best be described as an ________
opportunist
