Habitat Alternaria alternata is mainly an outdoor fungus Alternaria alternata is mainly an outdoor fungus whose spores disseminates in warm, dry air, so in temperate climates and found at higher concentration in dry windy conditions. It may also be found in damp, insufficiently ventilated houses. … Read more
Habitat Histoplasma capsulatum is a dimorphic ascomycete that grows in its hyphal form in soil and bird and bat guano. The natural habitat of capsulatum is the soil and has also been recovered most frequently from soil material contaminated with bird or bat droppings. Unlike … Read more
Habitat Cryptococcus neoformans is a ubiquitous environmental encapsulated fungus. The fungus abundantly inhabits the soil and is found in bird droppings. In nature, neoformans var. gattii (serotypes B and C) has been isolated from decaying wood in the red gum group of eucalyptus trees. neoformans … Read more
Bird Seed Agar is a solid medium used for selective and differential isolation of Cryptococcus neoformans from clinical specimens. Cryptococcus neoformans is an encapsulated yeast that produces the enzyme phenoloxidase, an enzyme necessary in melanin synthesis. The brown pigmented colonies of Cryptococcus neoformans were observed by … Read more
S.N. Characteristics Mold Yeast 1 Habitat Typically found in damp, dark or steam-filled areas. Very common. Can be found on fruit and berries, in the stomach of mammals and on skin, among other places. 2 Cell Multicellular (multiple celled) Unicellular (one cell) 3 Shape Filamentous … Read more
Sabouraud Dextrose Agar (SDA) is used for the isolation, cultivation, and maintenance of non-pathogenic and pathogenic species of fungi and yeasts. SDA was formulated by Sabouraud in 1892 for culturing dermatophytes. The pH is adjusted to approximately 5.6 in order to enhance the growth of fungi, especially dermatophytes, … Read more
Potato Dextrose Agar (PDA) is used for the cultivation of fungi. Potato Dextrose Agar (PDA) is a general purpose medium for yeasts and molds that can be supplemented with acid or antibiotics to inhibit bacterial growth. It is recommended for plate count methods for foods, … Read more
Germ Tube Test is a screening test which is used to differentiate Candida albicans from other yeast. Germ tube (GT) formation was first reported by Reynolds and Braude in 1956. When Candida is grown in human or sheep serum at 37°C for 3 hours, they … Read more