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Introduction of culture media Media is plural while medium singular. Culture  media require to grow  the organisms from infected material  to identify the causative agent. They are of different types on the basis using purposes. Nutrient agar(NA) uses for cultivation  non-fastidious bacteria like Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa where as 5% sheep blood agar (BAP) needs for Streptococcus species, Neisseria species. Chocolate agar(CHOC) is useful for culture of Haemophilus influenzae. MacConkey agar (MAC) is a selective, differential and...

Normal flora: Definition, Types, its presence in our body sites, beneficial and harmful effects Normal Flora In the normal, healthy person the gut flora is a balanced community of different organisms(Cambridge  English Dictionary). Normal flora refers to the population of microorganisms that inhabit  skin and mucous membranes of normal body. A healthy fetus in-utero is free from microorganisms. During birth the infant exposes  to vaginal flora. Within few hours of birth, oral and nasopharyngeal flora develops...

Scedosporium: Introduction, disease causing, lab diagnosis and treatment Introduction Scedosporium apiospermum is an emerging opportunistic filamentous fungus.It is notorious for its high levels of antifungal-resistance and fast growing. Colonies are greyish -white, suede-like to downy with a greyish-black reverse. Numerous single-celled, pale brown, broadly clavate to ovoid conidia, 4-9x 6-10 µm. Conidia arises singly or in small groups on elongate, simple or branched conidiophores or laterally on hyphae as shown above picture. Two species i.e. Scedosporium apiospermum  and are of...