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Anaerobic Cocci

QuestionAnswer
Veilonella is a gram ____________ _____________ that causes disease usually associated with ______________________________________. negative diplococci; fractured jaws, gums or lung infections
List the Genera of anaerobic gram positive cocci covered in this unit and important species of each. Peptococcus niger Peptostreptococcus magnus, asaccharolyticus, indolicus Streptococcus intermedius
How do colonies of Peptococcus appear? Tiny, black pigmented, convex, shiny entire colonies
All species of Peptostreptococcus are catalase ____________ and produce _____________________ from PYG broth on GLC. negative; acetic acid
What antibiotic are all Peptostreptococcus species susceptible to? A. Metronidazole B. Penicillin C. Chloramphenicol D. SxT A. Metronidazole
Characteristic of Veilonella under long wave UV light. Red fluorescence
Which Genus of anaerobic cocci may act synergistically with Bacteroides or Staph aureus to produce tissue necrosis? Peptostreptococcus