True about legionella –
Correct Answer: BCYE is selective medium
Description: Ans. is 'c' i.e., BCYE is selective medium Legionellao Legionella is gram-negative, noncapsulated coccobacillus which is motile by polar or subpolar flagella.o It is best visualized by direct flurescent antibody (DFA).o Most common species infecting man is L pneumophila (most common serogroup 1). Other important species is L. micdadei (Pittsburgh pneumonia agent) which is partial acid fast.o At least 14 serogroups of L. pneumophila have been identifiedo L. pneumophila serogroup l (SG 1) accounts nearly all severe infections.o L. pneumophila serogroup 6 is more commonly involved in hospital - acquired legionnaire's disease.Cultureo Strict aerobeo Has fastidious requirements and grow on complex media such as buffered charcol, yeast extract (BCYE) agar.
Category:
Microbiology
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