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All cocci are gram (+) except Neisseria, Branhamella, Moraxella and Veilonella. All bacilli are gram (-) except Mycobacterium, Corynebacterium, Lactobacillus, Listeria, Clostridium, Bacillus, Erysipelothrix, and Nocardia. All spirals are gram (-)
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What bacterial staining technique is it when a basic dye is utilized to stain bacterial cells?
A basic dye used in gram staining is crystal violet.
Are there endospores in pseudomonas aeruginosa gram staining?
yes
What are four possible results of a gram stain?
The four possible results after Gram staining are Gram positive, Gram negative, Gram variable and Gram in-determinant.
Why gram staining is classified as differential staining?
Differential staining is the procedure that are used to distinguish organism based on their staining properties. Use of gram stain divide bacteria into two classes - gram positive which retain crystal violet stain purple colour, gram negative which lose their crystal violet and give pink colour. By this method we can differentiate two different types of bacteria having different cell wall composition that is the reason gram staining used widely as differential staining
What common sources of gram staining errors?
improper fixing
Is gram staining related to flagella?
No. It is a staining on the cell itself.
Who developed Gram staining?
Gram staining was devised by Hans Christian Gram of Denmark in the 1800s. (1853-1938)
Why gram staining classified as differential staining?
Differential staining is the procedure that are used to distinguish organism based on their staining properties. Use of gram stain divide bacteria into two classes - gram positive which retain crystal violet stain purple colour, gram negative which lose their crystal violet and give pink colour. By this method we can differentiate two different types of bacteria having different cell wall composition that is the reason gram staining used widely as differential staining
Why is Gram staining classified as differential staining?
Differential staining is the procedure that are used to distinguish organism based on their staining properties. Use of gram stain divide bacteria into two classes - gram positive which retain crystal violet stain purple colour, gram negative which lose their crystal violet and give pink colour. By this method we can differentiate two different types of bacteria having different cell wall composition that is the reason gram staining used widely as differential staining
Why is gram staining important?
It tells the microbiologist/clinician facts about the cell wall construction of the bacterium. This then indicates which antibiotics to prescribe if you are trying to get rid of a bacterial infection.
Why is safrinin used in gram staining?
as a couterstain
What is staining for candida albicans?
gram positive
What are the colony characteristics and Gram staining of bacillus circulans?
Gram Positive Rods
Is gram staining special staining?
yes it is a special staining like other types....its importance is that one can identify the type of bacteria........
What bacterial staining technique is it when a basic dye is utilized to stain bacterial cells?
A basic dye used in gram staining is crystal violet.
Does giardia show up on gram stain?
no, it's eukaryotic. Gram staining is for bacteria.
What is the staining process for separating bacteria?
This is known as a gram test.
