Pseudomonas aeruginosa : Morphology,Diagnosis and Cultural characteristics

Pseudomonas aeruginosa : Morphology,Diagnosis and Cultural characteristics

Pseudomonas is a bacteria mostly saprophytic in nature, found in soil, water and other moist environments. It has emerged as an important cause of associated health care and opportunistic infections.Most Pseudomonas clinical isolates are resistant…

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Kligler iron slant MLTGEEKS

Kligler Iron Agar principles,composition and slants interpretation

Kligler Iron Agar abbreviated KIA is a growth media recommended for the differential identification of gram-negative enteric bacilli from clinical and non clinical samples based on the fermentation  sugars that is dextrose, lactose and the…

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Brain heart infusion agar MLTGEEKS

Brain infusion Broth and Agar Principle and composition and growth response

Brain heart infusion (BHI) is a nutritious growth medium used to culture a variety of fastidious organisms associated with blood culture work and allied pathological investigations. This nutritious medium has been used to culture pathogenic…

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Egg Yolk base agar MLTGEEKS

Egg Yolk Agar Base Selective and Differential Medium for the Isolation of Clostridium perfringens

There are some bacteria (Clostridium perfringens) can produce enzymes (lipases) that hydrolyze lipids like fats, steroids,oils, lecithins, glycerol etc especially in food. The enzyme lipases is used by these bacteria for the hydrolysis of phospholipid…

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staphylococcus aureus on TSA

tryptone soya agar (soybean casein digest agar) Principles,composition and growth characteristics

Soyabean Casein Digest Agar also know as Tryptone Soya Agar or broth  (TSA) is a general purpose growth media used for the culture of a wide variety of microorganisms including fastidious organism like Neisseria species,Brucella,Haemophilus…

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triple-sugar-iron-agar-test

Triple Sugar Iron Agar Principles,composition and colony characteristics

Triple Sugar Iron Agar  was originally proposed by Sulkin and Willett and modified by Hajna for the identification of  Enterobacteriaceae.It is selective growth media recommended for identification of gram-negative enteric bacilli on the basis of…

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Simmon-citrate-agar-A-Green-No-growth-B-GreenPositive-Growth

Simmons’ citrate agar Principles,composition and colony characteristics

Simmons’ citrate agar is differential growth media recommended for  gram-negative bacteria or members Enterobacteriaceae  on the basis of citrate utilization.That is,useful for organisms that uses citrate as a carbon and source of energy. It is…

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culture-media-prac-microbiology-24-638

Selenite Fluid Broth Principles,composition and colony characteristics

originated by Leifson,Selenite  Broth is recommended as an enrichment medium for the isolation of Salmonella species from clinical and non clinical specimens such as faeces, urine or other pathological materials Principle of Selenite Fluid Broth…

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Mueller-Hinton-agar-media-with-antibiotic-sensitivity-disc-showing-Oxacillin-sensitive

Müller-Hinton agar principle and antimicrobial susceptibility testing

Müller-Hinton agar formulation was originally developed as a simple, transparent agar medium for the growth of pathogenic Neisseria species by John Howard Mueller and Jane Hinton at Harvard.It is now used as a test medium…

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Oxford_Agar MLTGEEKS

Listeria Oxford Agar Principle, Composition, Preparation and Colonies Characteristics

Listeria monocytogenes is responsible for an estimated 1,600 illnesses and 260 deaths in the United States (U.S.) annually and is ranks third in total number of deaths among food borne bacterial pathogens, with fatality rates…

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