Gram stain: Gram positive diplococci
BAP-small, translucent, glistening, umbilicate, alpha-hemolytic
CHOC-small, flat, grey, glistening
MAC-no growth
Catalase-negative
Bile Solubility-positive
PYR-positive
ONPG-negative
Urease-negative
Optochin-sensitive
Mannitol-negative
Bile Esculin-negative
NaCl-positive
Raffinose-positive
VP-positive
Erythromycin-resistant
Clindamycin-sensitive
ID:__________________
ID : Streptococcus pneumoniae
It causes Pneumonia, a major lower respiratory tract infection. They are Gram positive diplococci. During Incubation it shows Alpha haemolysis on Blood agar or Chocolate agar and are Optochin sensitive, catalase negative.
Culture site: Sputum Gram stain: Gram positive diplococci BAP-small, translucent, glistening, umbilicate, alpha-hemolytic CHOC-small, flat, grey,...
Culture site: impetigo white, small sized translucent, colony beta hemolytic catalase – negative coagulase – negative A disk – positive CAMP test – negative Bile esculin – negative NaCl – negative Optochin disk – negative Bile solubility – negative PYR – positive Id this organism
f. Culture site: stitch abscess White-grey, small sized colony beta hemolytic catalase – -negative coagulase – negative A disk – negative CAMP test – negative Bile esculin – positive NaCl – negative Optochin disk – negative Bile solubility – negative PYR – negative ID: __________
Culture site: wound White to golden, medium sized colony beta hemolytic catalase – positive coagulase latex – positive coagulase tube-negative A disk – negative CAMP test – negative Bile esculin – positive NaCl – positive Optochin disk – negative Bile solubility – negative PYR – positive ID: _____________