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Some diseases are leprosy ( M. leprae), tuberculosis (M. tuberculosis), and nocardiosis ( N. brasiliensis, N. asteroides). The acid fast stain is important in identifying bacteria in the genus Mycobacterium and Nocardia.
M. tuberculosis
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Is Proteus Vulgaris acid-fast?
It is Gram- Negative so it is not acid- fast
Acid fast sputum?
Acid fast rods seen in sputum are diagnostic of tuberculosis.
Function of the counterstain in acid-fast?
The function of a counterstain in acid-fast stains is to dye the non acid-fast bacteria cells a different color than the acid-fast cells. With two different colors present on a slide, the contrast between the two types (acid-fast and non acid-fast) is more distinct. The more distinct view of cells will assist in observations of a slide.
Is mordant used in acid fast stain?
The heat is the mordant for an acid-fast stain
Is the mycobacterium smegmatis positive to acid-fast?
NO, s. epidermidis does not show up positive in an acid fast stain. The acid fast stain is a differential stain that differentiates cells with mycolic acids in their cells walls with those who do not. cells with mycolic acid are therefore acid fast. s epidermidis does not contain this waxy substance in their cell wall so it doesnt fall into this category.
What disease is an acid-fast bacilli smear?
Mycobacterial, tuberculosis
What disease condition is characterized by acid-fast bacilli infection of the lungs?
Pulmonary tuberculosis is caused by acid fast bacilli infection of the lungs.
Why is mycobacterium tuberculosis considered acid fast?
Saprophytic mycobacteria are acid fast and do not cause serious disease.
Do acid-fast organisms always suggest serious disease?
Not always. Saprophytic Mycobacteria are acid-fast positive and don't cause disease. The kinds of acid-fast organisms that do cause disease, like Mycobacterium tuberculosis, are more difficult to treat with antibiotics because of the large amounts of lipids in their cell walls so they do cause serious disease.
What disease is an acid-fast bacilli smear used for diagnosis?
Acid-fast staining is used in determining tuberculosis. It can also track the progress of antibiotic therapy and determine how contagious a person is. Yay A&M microbiology lab!
Are endospores acid fast?
No, endospores are not acid fast because they are not cells. Endospores will stain with the acid fast stain and look fuchsia but they are not positive for acid fast.
Is staphylococcus aureus acid fast?
No. in comparison to M. smegmatis which is acid fast positive. e. coli will appear blue when tested with the Zeihl-Neelsen acid fast stain
Does presence of acid fast organisms in a clinical specimen always suggest serious clinical disease?
Acid fast organism in sputum suggest that the patient is having the pulmonary tuberculosis. This is potentially treatable condition. When this organism is found in skin scrapping, it indicates that the person may have leprosy. This is mild disease of low virulence. In both the cases you have to take treatment for long period.
Is Proteus Vulgaris acid-fast?
It is Gram- Negative so it is not acid- fast
What color is Brilliant green K in Acid fast cell?
Acid-fast bacteria stain pink. Non acid-fast bacteria stain green.
What is the decolorizing agent in the acid fast stain?
The decolorizing agent in the acid fast stain is acid alcohol. The decolorizing agent in the gram stain is ethanol.
Acid fast sputum?
Acid fast rods seen in sputum are diagnostic of tuberculosis.
