Microbiology - Gram reaction, shape, MR, VP

Microbiology

Using the photo that shows results of various biochemical tests determine the answer to the following questions by inputting the answers in order in the ten boxes below:

Gram reaction

shape

MR

VP

PAD

sulfur

indole

motility

citrate

Genus and species (put this in the last box)

Using the table identify the Genus and species of the unknown bacteria:

Organism             Gram     Shape   Arrangement     MR         VP          PAD       H2S        indole   motility citrate

Staphylococcus aureus  +             circle      clusters                +             +             -              -              -              -             

Bacillus megaterium       +             rod         chains   +             -              -              -              -              +             +

Bacillus cereus   +             rod         chains   -              +             -              -              -              +             +

Micrococcus luteus         +             circle      tetrad   -              -              -              -              -              -             

                                                                                                                                                                 

Moraxella catarrhalis      -              cocci      diplococci            -              -              -              -              -              -              +

Enterobacter aerogenes               -              rod         single    -              +             -              -              -              +             +

Proteus vulgaris                -              rod         pairs, chains       +             -              +             +             -              +             -

Providencia stuartii         -              rod         coccobaccilli        +             -              +             -              +             +             +

Alcaligenes faecalis         -              rod         single, pairs        -              -              -              -              -              +             +

Citrobacter freundii        -              rod         pairs, chains       +             -              -              +             -              +             +

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