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Answered 2008-05-04 00:56:38

gram positive

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Which bacilli are gram positive oxidase negative and catalase positive?

staphylococcus aureus


Is staphylococcus aureus gram positive?

yes


Is impetigo gram positive rods?

No. Impetigo is usually caused by Staphylococcus aureus, gram positive cocci.


Staphylococus aureus gram positive or gram negative?

Gram Positive


Is Staphylococcus epidermidis gram negative or gram positive?

It is gram-positive


Is staphylococcus epidermitis gram positive or negative?

Gram positive.


Is staphylococcus aureus a spore forming bacteria?

No, Staphylococcus Aureus is a gram positive facultative anaerobe. It has a cell wall surrounding a peptidoglycan layer, however does not produce an endospore like many other gram positive bacteria. Staphylococcus Aureus is a cocci shaped bacteria with pyogenic properties.


Is staphylococcus gram negative or gram postive?

gram positive


What are 3 identifying characteristics of staphylococcus aureus?

gram-positive, catalase-positive, and coagulase-positive cocci


What are E coli and Staphylococcus aureus classified as?

E. coli is a gram-negative bacteria.S. aureus is a gram-positive coccus. It is a coccus because its shape is round (from the Greek kokkos=grain).


What is the color of staphylococcus aureus after gram staining?

Post ID Special:Contributionssaid: "blue-violet.....because it is a gram-negative bacteria"Wrong...the color is correct, but S. aureus is gram-POSITIVE.


Staphylococcus aureus morphology?

Learn to use wikipedia.Gram positive cocci in clusters.


What can staphylococcus aureus grow on?

Staphylococcus aureus is a coccal bacterium that is Gram-positive. It is part of the natural microflora of humans and can grow on sores, pimples and other open wounds.


Is Staphylococcus saprophyticus gram positive or negative?

Staphlococcus saprphyticus is a gram positive bacteria


Methicillin-resistant Staphylococcus aureus gram stain?

Would be gram-positive because of the cell wall of the Staphylococci.


Difference between staphylococcus aureus and E Coli?

E.coli is a gram negative rod mostly isolated from urine while staph is a gram positive cocci. You can differentiate them by color. E. Coli is Pink which is negative while Staph is Purple with is positive.


What are three identifying characteristics of Staphylococcus aureus?

Gram + coccus. Positive methanol test. Yellow on agar.


What is the cell arrangement of staphylococcus aureus?

Staphylococcus aureus is a Gram-positive bacteria. it has a perfect spherical cell with a diameter of one micrometer. The cell cluster looks like grapes under a microscope.


Is staphylococcus arueus of upper resp gram positive or gram negative?

S. arureus is a gram posotive cocciScientific classificationDomain:BacteriaKingdom:EubacteriaPhylum:FirmicutesClass:BacilliOrder:BacillalesFamily:StaphylococcaceaeGenus:StaphylococcusSpecies:S. aureus


SEPTIC shock due to gram-positive bacteria is caused by?

MRSA-- methicillin resistant staphylococcus aureus


Can staphylococcus aureus grow on MacConkey agar?

MacConkey agar is designed to grow Gram-negative bacteria and also contains crystal violet dye which inhibits the growth of Gram-positive bacteria. Since S. aureus is Gram-positive it should not grow on MacConkey agar. No. MacConkey agar inhibits MOST of the Gram-positive bacteria. There are some Gram-positive bacteria that can tolerate bile-salt are able to grow in MacConkey agar. Enterococcus and some species of Staphylococcus are able to grow in MacConkey. (lack citation though)


What is importance of Gram staining in medical setting?

To determine which pathogen you are dealing with. Bacteria with a thick peptidoglycan layer stain gram positive (like staphylococcus aureus) while bacteria with a thin layer stain gram negative (like escherichia coli)


Will staphylococcus grow on methylene blue agar plates?

No, it will not. Methylene blue agar is used to identify gram negative bacteria, staphylococcus is gram positive.


What is Gram positive rod cocci?

Gram positive organisms are either rods or cocci. Rods, or bacilli, include Bacillus anthracis, which causes anthrax, while cocci include Staphylococcus aureus.


Is staphylococcus aureus indole test positive?

S.aureus is a positive gram. Indole test is a part the biochemistry test to determinate a bacteria negative gram. indole test used to determine S.aureus, the result is negative. That is improve which S.aureus haven't trytophanase enzym (please see indole test principle)bcb


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