Gram Negative Bacteria Flashcards
What species is the only pathogenic gram-negative cocci?
Neisseria
What are the two Neisseria species that causes disease in humans?
N. gonorrhoeae + N. meningitidis
What species causes the second most common STD?
Neisseria gonorrhea Neisseria meningitidis Shigella dysenteriae Klebsiella pneumoniae Salmonella typhi Vibrio parahaemolyticus Campylobacter jejuni Helicobacter pylori Bacteroides fragilis Chlamydia trachomatis Treponema pallidum Borrelia burgdorferi Legionella pneumonphila
Neisseria gonorrhea
Neisseria gonorrhea (has/does not have) a capsule
doesnt have a capsule
Neisseria meningitidis (has/does not have) a capsule
does have a capsule
What species has invasins, which invades outer membrane protein porins?
Neisseria gonorrhea Neisseria meningitidis Shigella dysenteriae Klebsiella pneumoniae Salmonella typhi Vibrio parahaemolyticus Campylobacter jejuni Helicobacter pylori Bacteroides fragilis Chlamydia trachomatis Treponema pallidum Borrelia burgdorferi Legionella pneumonphila
Neisseria gonorrhea
How would you treat N. gonorrhea?
Rocephin
What are some issues with N. gonorrhea treatment?
- Antibiotic resistance
2. Reporting and ping-pong infections
How would you diagnose Meningococcal diseases?
Gram stain + culture of blood, spinal fluid, or rash
How would you treat Meningococcal diseases?
Pen G. or Rocephin; close contact = Rifampin or Cipro
How are Meningococcal diseases spread?
Respiratory route
Who are the high risk groups for meningococcal disease?
Infants, army recruits, and college freshmen
Enterics have certain antigenic classification, what is the O antigen?
Carb portion of LPS
Enterics have certain antigenic classification, what is the K antigen?
Capsule that covers O antigen
Enterics have certain antigenic classification, what is the H antigen?
Subunit of flagella
