What type of bacteria is this likely to be given that: - Gram positive -More lik

Question

What type of bacteria is this likely to be given that:

- Gram positive

-More likely a rod, but possibly a cocci

-Acid fast negative

-No motility

-I beleive it doesnt produce spores, but the stain came out poorly

-Ferments glucose with acid end, no gas produced though

-Undergoes oxidation and fermentation, or F' of glucose

-Fements lactose with acid and gas end

-Ferments mannitol with acid end, no gas

-Indole negative

-MR positive

-VP negative

-Citrate positive

-does not reduce sulfur

-Protein catabolized aerobically with alkaline products

-Starch hydrolysis negative

-Caesin hydrolysis positive

-Gelatin hydrolysis positive

-Catalase negative

-Oxidase negative

-Nitrate reduction to Nitrite

-Urease negative

-Phynalanine deaminase negative

-Lipase negative

-DNase positive

-poor growth on mannitol salt agar and MacConkey agar

-good growth on EMB agar

Thank you for your help!

Explanation / Answer

It might be Streptococcus agalactiae, Streptococcus pneumoniae, or Aerococcus viridans, which are catalase- negative, Oxidase nagative, gram-positive coccobacilli.

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