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Introduction of ASO Test ASO stands for Antistreptococcal O and it is an antibody targeted against streptolysin O, a toxic enzyme produced by group A Streptococcus bacterium. ASO and anti -DNase are the most common of several antibodies that are produced by the body's immune system in response to a strep infection with group A Streptococcus. This test measures the amount of ASO in the blood.  The toxin of S. pyogenes (hemolysin) is of further two types and they are streptolysin O and streptolysin S. Streptolysin O:  It...

Introduction of Tinsdale Agar Tinsdale Agar is used for selective isolation and differentiation of Corynebacterium diphtheriae and it is Gram-positive, facultatively anaerobic, non-motile bacteria that exhibit a fermentative metabolism (carbohydrates to lactic acid) under certain conditions. Most species of genus Corynebacterium are normal flora of humans present virtually at all anatomic sites. Corynebacterium diptheriae is the causative agent of Diphtheria. Tinsdale Agar was developed by Tinsdale for the selective isolation and differentiation of Corynebacterium diphtheriae from diphtheroids and...

Introduction of Tellurite Blood Agar Tellurite Blood Agar is applied for the selective isolation and cultivation of Corynebacterium species and they are Gram-positive, facultatively anaerobic, non-motile bacteria that exhibit a fermentative metabolism (carbohydrates to lactic acid) under certain conditions. Most species are normal flora of humans present virtually at all anatomic sites. Tellurite Blood Agar is a selective medium used for the isolation and cultivation of Corynebacterium species. It is selective due to the presence of...