Biochemical Test and Identification of Bacillus anthracis 4.54/5 (13)

Biochemical Test and Identification of Bacillus anthracis

Biochemical Test and Identification of Bacillus anthracis ­Basic Characteristics Properties (Bacillus anthracis) Capsule Capsulated Catalase Positive (+ve) Gas Negative (-ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Positive (+ve) Hemolysis Negative (-ve) Indole Positive (+ve) Motility Negative (-ve) Nitrate Reduction Positive (+ve) Oxidase Negative (-ve) Pigment Negative (-ve) Shape Rods Spore Positive (+ve) Urease Negative (-ve) […]

Biochemical Test and Identification of Bacillus cereus 4.26/5 (31)

Biochemical Test and Identification of Bacillus cereus

Biochemical Test and Identification of Bacillus cereus ­Basic Characteristics Properties (Bacillus cereus) Catalase Positive (+ve) Citrate Positive (+ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Positive (+ve) Growth in KCN Positive (+ve) Hemolysis Positive (+ve) Indole Negative (-ve) Motility Positive (+ve) MR (Methyl Red) Negative (-ve) Nitrate Reduction Variable Oxidase Negative (-ve) Pigment Negative (-ve) Shape […]

Difference between Innate and Adaptive Immunity 4.71/5 (86)

Difference between Innate and Adaptive Immunity

Difference between Innate and Adaptive Immunity S.N. Characteristics Innate Immunity Adaptive immunity 1. Presence Innate immunity is something already present in the body. Adaptive immunity is created in response to exposure to a foreign substance. 2. Specificity Non-Specific Specific 3. Response Fights any foreign invader Fight only specific infection 4. Response Rapid Slow (1-2 weeks) […]

Biochemical Test and Identification of Bacillus subtilis 4.21/5 (28)

Biochemical Test and Identification of Bacillus subtilis

Biochemical Test and Identification of Bacillus subtilis ­Basic Characteristics Properties (Bacillus subtilis) Catalase Positive (+ve) Citrate Positive (+ve) Flagella Flagellated Gas Negative (-ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Gram Positive (+ve) Indole Negative (-ve) Motility Positive (+ve) MR (Methyl Red) Negative (-ve) Nitrate Reduction Positive (+ve) Oxidase Variable Pigment Negative (-ve) Shape Rods Spore […]

Difference between Replication and Transcription 4.26/5 (19)

Difference between Replication and Transcription

Difference between Replication and Transcription S.N. Characteristics Replication Transcription 1. Definition DNA replication is the process of making two daughter strand where each daughter strand contains half of the original DNA double helix. Transcription is the process of synthesis of RNA using DNA as a template. 2. Purpose To conserve the entire genome for next […]

Spread Plate Technique- Principle, Procedure and Uses 4.35/5 (20)

Spread Plate Technique- Principle, Procedure and Uses

Spread Plate Technique- Principle, Procedure and Uses Spread plate technique is the method of isolation and enumeration of microorganisms in a mixed culture and distributing it evenly. The technique makes it easier to quantify bacteria in a solution. Principle of Spread Plate Technique The spread plate technique involves using a sterilized spreader with a smooth […]

Scrub Typhus- Etiology, Epidemiology, Symptoms, Pathogenesis, Diagnosis and Treatment 4.5/5 (8)

Scrub Typhus- Etiology, Epidemiology, Symptoms, Pathogenesis, Diagnosis and Treatment

Scrub Typhus- Etiology, Epidemiology, Symptoms, Pathogenesis, Diagnosis and Treatment Scrub Typhus is an acute febrile illness which is caused by an obligate intracellular pathogen called Orientia tsutsugamushi, which is transmitted by the bite of infected larval stage trombiculid mite, Leptotrombidium spp. (Chiggers). The name scrub typhus was applied after discovery of increased frequency of the […]

Mannitol Salt Agar for the isolation of Staphylococcus aureus 4.88/5 (8)

Mannitol Salt Agar for the isolation of Staphylococcus aureus

Mannitol Salt Agar for the isolation of Staphylococcus aureus Mannitol Salt Agar (MSA) is used as a selective and differential medium for the isolation and identification of Staphylococcus aureus from clinical and non-clinical specimens. It encourages the growth of a group of certain bacteria while inhibiting the growth of others. It is a selective medium […]

Bird Seed Agar for the isolation of Cryptococcus neoformans 5/5 (5)

Bird Seed Agar for the isolation of Cryptococcus neoformans

Bird Seed Agar for the isolation of Cryptococcus neoformans 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 Staib […]

PYR Test- Principle, Uses, Procedure and Result Interpretation 5/5 (7)

Result Interpretation of PYR Test

PYR Test- Principle, Uses, Procedure and Result Interpretation PYR (Pyrrolidonyl Aminopeptidase) Test is used for the detection of pyrolidonyl arylamidase (also called pyrrolidonyl aminopeptidase) activity in Streptococcus pyogenes (group A strep), Enterococcus spp., some coagulase-negative staphylococci, and some Enterobacteriaceae. It is also known as PYR (L-pyrrolidonyl-β-naphthylamide) which serve as a substrate for the detection of […]

Bile Solubility Test- Principle, Reagents, Procedure and Result Interpretation 4.89/5 (9)

Bile Solubility Test- Principle, Reagents, Procedure and Result Interpretation

Bile Solubility Test- Principle, Reagents, Procedure and Result Interpretation Bile Solubility Test is the test which differentiate Streptococcus pneumoniae (positive- soluble) from alpha-hemolytic streptococci (negative- insoluble). Streptococcus pneumoniae is bile soluble whereas all other alpha-hemolytic streptococci are bile resistant. Principle of Bile Solubility Test S. pneumoniae has an autolytic enzyme which can be demonstrated by […]

Salmonella Shigella (SS) Agar- Composition, Principle, Uses, Preparation and Result Interpretation 4.43/5 (21)

Result Interpretation on Salmonella Shigella Agar

Salmonella Shigella (SS) Agar- Composition, Principle, Uses, Preparation and Result Interpretation Salmonella Shigella (SS) Agar is moderately selective and differential medium for the isolation, cultivation and differentiation of Salmonella spp. and some strains of Shigella spp. SS Agar is a modification of the Desoxycholate Citrate Agar. It is recommended for testing clinical specimens and food […]

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