Sagar Aryal, PhD 
Bacterial systematics has undergone several changes and is continuously in a state of flux as our knowledge of microorganisms is far from complete and new information is being added every … Read more
Structure of Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV) They are enveloped viruses with round and sometimes pleiomorphic virions of approximately 80 to 120 nm in diameter. It contains positive-strand RNA, with … Read more
Biochemical Test of Staphylococcus aureus ÂBasic Characteristics Properties (Staphylococcus aureus) Capsule Non-Capsulated Catalase Positive (+ve) Citrate Positive (+ve) Coagulase Positive (+ve) Gas Negative (-ve) Gelatin Hydrolysis Positive (+ve) Gram Staining … Read more
Biochemical Test of Proteus mirabilis ÂBasic Characteristics Properties ( Proteus mirabilis ) Capsule Negative (-ve) Catalase Positive (+ve) Citrate Positive (+ve) Flagella Positive (+ve) Gas from Glucose Positive (+ve) Gelatin … Read more
Biochemical Test of Streptococcus pneumoniae Basic Characteristics Properties (Streptococcus pneumoniae) Bile Solubility Positive (+ve) Catalase Negative (-ve) Gram Staining Positive (+ve) Hemolysis Alfa Hemolysis Motility Non-motile OF (Oxidative-Fermentative) Facultative anaerobes … Read more
Classification of Fungi Fungi are eukaryotic microorganisms. They can occur as yeasts, molds, or as a combination of both forms. Some fungi are capable of causing superficial, cutaneous, subcutaneous, systemic … Read more
Microfilaments Definition Microfilaments, also called actin filaments, are polymers of the protein actin that are part of a cell’s cytoskeleton. They are long chains of G-actin formed into two parallel … Read more
Microbiology is one of the most applied of all the biological sciences which did not exist as a true science before the later part of 19th century. It is defined … Read more
Laboratory diagnosis of Legionella pneumophila Specimen: Respiratory secretions (sputum, bronchial aspirate or washings), as well as pleural fluid, lung biopsy or autopsy material. Microscopy Legionellae in clinical specimens stain poorly … Read more
When a broth culture is inoculated with a small bacterial inoculum, the population size of the bacteria increases showing a classical pattern. When plotted on a graph, a distinct curve is … Read more
