Gram Positive Cocci
A 60 yrs elderly male with presented with complaints of mild chest pain, and cough with expectoration since 15 days. The sputum culture on blood agar yielded gram-positive cocci. Which of the following would be the most useful test to identify the organism? (AIPG 2012)
|A||Bile solubility test|
a. Bile solubility test. (Ref. Textbook of Microbiology Ananthanarayan 6th /pg. 185, 371)
b. This 60 yr old man with complaints of mild chest pain, and cough with expectoration since 15 days, has pneumonia wherein the sputum culture on blood agar has yielded gram-positive cocci.
c. So the pathogenic organism is likely to be streptococcus pneumonae *(Pneumococcus), for which bile solubility is best diagnostic test.