Aerobic Gram Positive Bacilli
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29 Terms
What GPR forms spores?
Bacillus species
What GPR is this?
Bacillus species
What GPR has large, flat, feathery colonies that are usually beta hemolytic?
Bacillus species
What is the catalase and motility results of Bacillus species?
catalase +
motile
What GPR is found in meat, poultry, and fried rice and can cause food poisoning?
Bacillus cereus
What is the catalase and motility results of Bacillus cereus?
catalase +
motile
What GPR has a “bamboo like” appearance when stained, colonies with a “Medusa head” appearance, and is usually gamma hemolytic?
Bacillus anthracis
What GPR is shown in the Gram stain?
Bacillus anthracis
What GPR causes disease in cattle and blackened dead tissue in humans?
Bacillus anthracis
What is the catalase and motility results of Bacillus anthracis?
catalase +
nonmotile
What GPR genus is a very small “coccobacillus” and may resemble GPC when Gram stained?
Listeria monocytogenes
What GPR has very small translucent gray colonies with a narrow zone of beta hemolysis and resembles Group B Strep?
Listeria monocytogenes
What is the catalase and motility results of Listeria monocytogenes?
catalase +
motile (best at 25C)
What GPR causes meningitis in immunocompromised patients?
Listeria monocytogenes
What GPR exhibits “tumbling motility” and has umbrella/arrow shaped growth?
Listeria monocytogenes
What GPR genus is fount in deli meats and hot dogs and can cause serious complications in pregnant women and circling disease in animals?
Listeria monocytogenes
What GPR genus is described as “clubs” or “diphtheroid” and form “L,” V,” and “Y” shapes when Gram stained?
Corynebacterium species
What GPR forms small, white/gray, gamma hemolytic colonies resembling CoNS on SBA?
Corynebacterium species
What is the catalase and motility results of Corynebacterium species?
catalase +
nonmotile
What GPR genus is commensal flora of our skin and mucous membranes?
Corynebacterium species
What species of Corynebacterium has a beaded appearance when stained?
Corynebacterium diphtheriae
The selective media: ________ and the nonselective media: __________ are both used to culture Corynebacterium diphtheriae.
Tinsdale
Loeffler’s
C. diphtheriae will have what appearance on the Tinsdale and Tellurite agars?
black colonies
What organism has long thin chaining GPRs?
Lactobacillus species
What GPR has tiny alpha hemolytic colonies on SBA and is catalase -?
Lactobacillus species
What is the catalase and motility results of Lactobacillus species?
catalase -
nonmotile
What GPR genus is a branching GPR and is partially acid-fast?
Nocardia
What GPR has chalky, dry, crumbly colonies on SBA?
Nocardia
What GPR genus causes pulmonary infections and cutaneous bone infections known as mycetoma?
Nocardia