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which of these tests would positively identify Corynebacterium pseudodiphtheriticum lipase, protease, catalase, h2s, no3 reduction indole,...

which of these tests would positively identify Corynebacterium pseudodiphtheriticum
lipase, protease, catalase, h2s, no3 reduction indole, amylase, citrate, glucose fermentation, lactose fermentation or sucrose fermentation?
what would a positive and negative result would be for that test?

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Answer #1

Corynebacterium pseudodiphtheriticum is a pathogenic gram positive bacteria and have following response against test as mentioned below:

POSITIVE TEST

Catalase: Positive

Lipase: Positive

Protease: Positive

Hydrogen Sulfide: Positive due to breakdown of sulfur containing amino acids

Nitrate reduction: Positive

Amylase: Positive (express blue color in presence of starch)

Glucose fermentation: Positive

NEGATIVE TEST

Citrate test: Negative

Lactose fermentation: Negative

Sucrose fermentation: Negative

Indole: Negative

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