Klebsiella pneumoniae is a Gram-negative, encapsulated, lactose-fermenting, non-motile, facultative rod in the genus Klebsiella and […]
Author: DrChika
PSEUDOMONAS AERUGINOSA
Pseudomonas aeruginosa is a non-enteric, oxidase positive, Gram-negative, motile; obligate aerobic straight or curved rod […]
Sterilization Techniques in Industrial Microbiology: Safeguarding Fermentation Integrity
Introduction Lactic acid bacteria (LAB) constitute a diverse and functionally significant group of Gram-positive, non-sporulating, […]
Lactic Acid Bacteria (LAB): Key Microorganisms in Fermentation and Food Biotechnology
Introduction Lactic acid bacteria (LAB) constitute a diverse and functionally significant group of Gram-positive, non-sporulating, […]
Factors that affect microbial population in the soil
The population of microorganisms in the soil are affected or influenced by many factors […]
Importance of microbial population in the soil
The soil is that part of the earth crust or earth that supports plant life. […]
STANDARD QUALITY CONTROL STRAINS FOR ANTIBIOGRAM
Quality control strains (or reference strains)are typed cultures of microorganisms with known antimicrobial susceptibility patterns […]
PREPARATION OF 0.5 McFARLAND TURBIDITY STANDARDS
McFarland Turbidity Standard is an important technique performed in the microbiology laboratory especially when carrying […]
ISONIAZID – anti-tuberculosis (TB) drug
Isoniazid or isonicotinyl hydrazine (INH) is a first-line antibiotic used for the treatment of tuberculosis […]
CHLORAMPHENICOL
Chloramphenicol is a protein synthesis inhibitor but the antibiotic unlike other drugs that interfere with […]
MECHANISMS OF TRANSFER OF RESISTANCE GENES IN BACTERIA
Below are some of the major ways through which bacteria pass on their antibiotic […]
GENETIC BASIS OF ANTIBIOTIC RESISTANCE
Genetic resistance of microbes to antibiotics is due to a chromosomal mutation in the bacterial […]
STEPS INVOLVED IN TRANSFORMING BACTERIAL CELLS
There are different types of steps involved in the transformation of a bacterial cell in […]
GENE CLONING
Cloning is a molecular biology technique which is used to make millions of copies of […]
GIARDIASIS
Giardiasis is a water-borne protozoal diarrheal-disease that is cause by parasites in the genus Giardia. […]
LEISHMANIASIS
Leishmaniasis is the parasitic disease caused by the protozoal organism, Leishmania. The disease affects the […]
UNDERSTANDING MBL MICROBIOLOGY
Metallo-beta-lactamases (MBLs) are beta-lactamase enzymes produced by pathogenic bacteria, and which hydrolyzes the carbapenems (e.g. […]
ESBL Positive – Understanding Extended spectrum beta-lactamases tests
What does it mean to be ESBL positive? Learn how to detect these antibiotic-resistant bacteria […]
The 3 Rs (Reduction, Refinement, Replacement): Guiding Principles in the Use of Animals For Biomedical/Scientific Research
The use of laboratory animals including mice, rats, rabbits and primates for scientific/biomedical research is […]
RATIONALE FOR THE CONTINUED USE OF ANIMALS FOR RESEARCH
Animals including (primates, dogs, cats, rabbits, mice) are still being used to conduct scientific/biomedical research […]
Issues Surrounding the Use of Animals in Scientific Research
Animals such as mice, rats, rabbits, monkeys and primates are used in biomedical research to […]
Advantages & disadvantages of cell culture techniques
ADVANTAGES OF CELL CULTURE TECHNIQUES DISADVANTAGES OF CELL CULTURE TECHNIQUES References Alberts B, Bray D, […]
SAFETY IN THE CELL CULTURE LABORATORY
Safety is paramount in any cell culture laboratory. It protects the researcher from possible contamination […]
APPLICATIONS OF CELL CULTURE TECHNIQUE
Cell culture technique is defined as the process by which prokaryotic, eukaryotic or plant cells […]
TERMINOLOGIES USED IN EPIDEMIOLOGICAL STUDIES
Such drift or subtle changes in the antigenic surfaces of pathogens are a setback for […]
ANTIMICROBIAL PROPERTIES OF LICHEN SECONDARY METABOLITES
Lichens possess varying antimicrobial properties; and they have been shown to be active against a […]
MACROMOLECULES OF LIFE
Macromolecules are large biological molecules that are made up of repeating smaller biological units generally […]
MEIOSIS
Meiosis unlike mitosis is the type of cell division that occurs during the formation of […]
Application of genetically modified organisms (GMOs)
The field of medicine has in the past decades seen the production of many biotherapeutics […]
GENETICALLY MODIFIED ORGANISMS (GMOs)
Genetically modified organisms(GMOs) are living organisms including plants and microorganisms whose genetic material has been […]
MAJOR HISTOCOMPATIBILITY COMPLEX (MHC) MOLECULES
Major histocompatibility complex (MHC) moleculesalso known as human leukocyte antigens (HLA) complex are a large […]
IMMUNE SYSTEM CELLS AND THEIR FUNCTIONS
All the cells of the immune system inclusive of blood cells originate from the bone […]
POLYOMAVIRIDAE FAMILY
Polyomaviridae family contains DNA tumourviruses like the Papillomaviridae family. Polyomavirus is the only viral genera […]
PAPILLOMAVIRIDAE FAMILY
Theviral family Papillomaviridae comprises of papillomaviruses (abbreviated as PVs); and they were previously classified together […]
INCUBATION & STERILIZATION TECHNIQUE
Microorganisms are incubated in the incubator at different temperatures and time interval depending on the […]
CULTURING TECHNIQUE
Culturing technique is used for the propagation of microorganisms in the microbiology laboratory; and it […]
ESCHERICHIA COLI
Escherichia coli is a facultative, enteric, Gram-negative, motile/flagellated, and lactose-fermenting rod that occur in the […]
CLOSTRIDIUM BOTULINUM
Clostridium botulinum is a Gram-positive, strict-anaerobic, motile, pleomorphic, catalase-negative, endospore-forming bacillus (rod) that is ubiquitously […]
Saccharomyces cerevisiae: Morphology, Physiology, and Biotechnological Applications of an Ancient and Modern Yeast
Saccharomyces cerevisiae, commonly known as baker’s yeast or budding yeast, is a unicellular eukaryotic […]
Processes of Beer Production
Beer production is an ancient and intricate biochemical process that has evolved over thousands of […]
Use & care of the Incubator
Incubator is a piece of equipment which is used in the microbiology laboratory to provide […]
Use & care of the Biosafety Laminar Flow Cabinet
Biosafety laminar flow cabinet or hood is used to maintain a clean environment when performing […]
Materials from the iAMR team for teaching & illustrating AMR
Are you looking for more information about Antibiotic Resistance or antimicrobial resistance (AMR)? Do you […]
CELL DIVISION – MITOSIS
Cell division is simply defined as the general way in which a microbial cell or […]
BACTERIAL SPORES
Spores are the resistant inactive structures formed by some prokaryotic and eukaryotic organisms. Spore formation […]
SPECIFIC FUNCTIONS OF LICHEN ACIDS (SECONDARY METABOLITES)
Lichens produce two types of metabolites: primary metabolites (e.g. carbohydrates and amino acids) and secondary […]
LICHEN METABOLISM
All microorganisms carry out two modes of metabolism during their lifetime, and these are mainly […]
GRAM SMEAR OF CEREBROSPINAL FLUID (CSF) SAMPLE
AIM: To detect the presence of pus cells and bacteria in cerebrospinal fluid (CSF) specimen. […]
MICROSCOPY OF CEREBROSPINAL FLUID (CSF)
Cerebrospinal fluid (CSF) samples are obtained with extra precautions using a technique called lumbar puncture. […]
THE PLACE OF STATISTICS IN THE STUDY OF EPIDEMIOLOGY
Statistics is a branch of mathematics that is concerned with the proper method of collecting, […]