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17 Cards in this Set

  • Front
  • Back

Gram positive non spore forming Bacilli

-Listeria monocytogenes


-Erysipelothrix rhusiopathiae- lactobacillus acidophilus Doderlain bacill-Genus Corynebacterium


- lactobacillus acidophilus Doderlain bacill


-Genus Corynebacterium


-Primary an animal pathogens


Anton test


-Culture on Mc Bride media


-narrow band of beta-hemolysis

Listeria monocytogenes

Disease listeria monocytogenes

- Listeriosis- food poisoning


-Septicemia- can infect blood


- Meningitis- in elderly and immunocompromised


Mode of transmission of listeria monocytogenes consumption of contaminated food,

Colleslaw, and soft cheese

As knows organism positive result block- type or shovel-type hemolysis

Rhodococcus egui

-H2S positive on TSI media


-Causes erysipeloid, a locatized skin infection an occupational hazard for the those handling meat and pouiltry and fish

Erysipelothrix rhusiopathiae

- Produce large amount of lactic acid, non pathogenic and has little clinical significance


-Can be seen in PAP stained smear since it is normal flora


Lactobacillus acidophilus/ Dodertain Bacilli

Culture media (Lactobacillus acidophilus/ Dodertain Bacilli)

TJA - tomato juice Agar

Corynebacterium diphtheriae aka Klebs Loeffers Bacillus


-Non Motile highly pleomorphic


-Typically swollen


- Babes Emst granules


On BAP


It is droplet infection characterized by low grade fever, mild sore throat are body weakness


Genus Corynebacterium

Enhances pleomorphism and granule formation can produce gray to black colony

PAI Coagulated egg medium

Modification of tinsdale meduim ( for primary isolation of C. Diphtheriae

Cystine Tellurite Blood agar

3 colony types ( Genus Corynebacterium)

Gravis


Mitis


Intermedius

Largest colony type dark grey colony with irrular edge 1-2mm in diameter

Gravis

Fried egg appearing organism BAP

Mitis

Small and black colonies 0.5 mm in diameter

Intermedius

It is toxigenicity test to determine whether the organism as a toxin produce or not

Modified ELEK test positive(+)

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