CLOSTRIDIUM BOTULINUM

Clostridium botulinum is a Gram-positive, strict-anaerobic, motile, pleomorphic, catalase-negative, endospore-forming bacillus (rod) that is ubiquitously found in the soil. The endopores of C. botulinum are sub-terminally placed or located on the bacterium and they are oval in shape. C. botulinum is found in the genus Clostridium and class Clostridia; and members are known to cause […]

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Bacteriology,

SACCHAROMYCES CEREVISIAE

                 Saccharomyces cerevisiae is a unicellular yeast cell that is found in the Kingdom fungi (singular: fungus). S. cerevisiae is found in the genus Saccharomyces and family Saccharomycetaceae. Morphologically, the cells of S. cerevisiae are ellipsoidal or cylindrical; and they can be propagated in the laboratory on simple mycological media such as Sabouraud dextrose agar

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Biotechnology, Industrial Microbiology, , ,

PROCESSES OF BEER PRODUCTION

MALTING STAGE Malting is defined as a controlled partial germination of the cereal grain or barley. Malting helps to develop amylases and proteases in the barley. Malting is the first of the enzymatic process involved in beer production; and the enzymes that malting develops in the grains bring about the chemical conversions of all the

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Industrial Microbiology, Biotechnology, ,

Use & care of the Incubator

Incubator is a piece of equipment which is used in the microbiology laboratory to provide optimum temperature and oxygen concentration amongst other vital environmental factors required for the growth of microorganisms. It is generally used for growing microbial cultures inclusive of fungi and bacteria. The incubator supplies and maintains optimum growth physical and chemical conditions

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General Microbiology, ,

Use & care of the Biosafety Laminar Flow Cabinet

Biosafety laminar flow cabinet or hood is used to maintain a clean environment when performing microbiological investigations. The hood also protects the worker or scientist from a direct contamination with the organisms or materials they are working with. It provides the perfect environment for the handling of pathogenic microorganisms or infectious specimens; and the hood

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General Microbiology, ,

Materials from the iAMR team for teaching & illustrating AMR

Are you looking for more information about Antibiotic Resistance or antimicrobial resistance (AMR)? Do you need a video or graphic to illustrate AMR to your class or share to your social media followers? Check out some of the resources in the ever-growing AMR library curated by the iAMResponsible team, which is an affiliate of the

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Antibiotic Resistance / Antimicrobial Resistance (AMR), Pharmaceutical Microbiology, , , , , , ,

BACTERIAL SPORES

Spores are the resistant inactive structures formed by some prokaryotic and eukaryotic organisms. Spore formation is a unique characteristic of bacteria and fungi. They are formed by bacteria especially the Gram-positive organisms when their environmental becomes too harsh for survival such as the loss of nutrients or food scarcity in their normal habitat. In such

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Microbial Physiology & Metabolism, , ,

SPECIFIC FUNCTIONS OF LICHEN ACIDS (SECONDARY METABOLITES)

Lichens produce two types of metabolites: primary metabolites (e.g. carbohydrates and amino acids) and secondary metabolites (e.g. alkaloids and lichen acids). Primary metabolites (which are intracellularly secreted) are critical to the survival of the lichens while secondary metabolites are rarely involved in the metabolism or growth of the lichenized fungi. Secondary metabolites of lichens are

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Mycology, ,