Pneumocystis carinii is a fungus because
Fugus - possess rigid cell wall containing chitin mannan and other polysaccharides. The cytoplasmic membrane containing sterols. Cytoplasm contains true nuclei with nuclear membrane, mitochondria and endoplasmic reticulum. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition
rRNA, mitochondrial protein gene sequence and presence of thymidylate synthase
Cell wall contains glucans
Angifungals are effective against P. Carini
Commonest infection in AIDS
mycology