Morphologic Features of Yeast Colonies
Yeast will grow on bacteriological media (sheep blood agar and chocolate agar). They may appear as small, creamy or white colonies that are somewhat more raised than staphylococcal ...
Haemophilus influenzae diagnosis using Satellite Test
Haemophilus spp does not grow on 5% Sheep Blood Agar, which contains hemin (factor X) but lacks NAD (factor V).
Haemophilus influenzae will grow in the hemolytic zone of ...
Haemophilus influenzae
Haemophilus influenzae is a non-motile Gram-negative, coccobacillary, facultatively anaerobic bacterium, and it’s Oxidase and Catalase postive.
It was mistakenly considered ...
Chocolate agar (CHOC) or chocolate blood agar (CBA)
Chocolate agar is a non-selective, enriched growth medium.
It is a variant of the blood agar plate, containing red blood cells that have been lysed by slowly heating to 80 °C.
Chocolate ...
Haemophilus influenzae
– GRAM-NEGATIVE RODS
– NON-MOTILE
– NON-SPOREFORMING
– CATALASE: POSITIVE
– OXIDASE : POSITIVE
– FACULTATIVE ANAEROBIC
BASIC TESTS FOR IDENTIFICATION:
requirement ...
GRAM-NEGATIVE RODS of Haemophilus influenzae
GRAM-NEGATIVE RODS
NONMOTILE
NONSPOREFORMING
CATALASE: POSITIVE
OXIDASE: NEGATIVE
FACULTATIVELY
ANAEROBIC
requirement of X+V factor in cultivation media
X = hematin
V = nicotinamide ...
