This site is fully related to medical laboratory information for public and health care professionals.
Introduction of Yeasts and Molds Yeasts are small round or oval in shape, eukaryotic, single-celled microbes classified as members of the fungus kingdom. The first yeast emerged hundreds of millions of years ago, and at least 1,500 species are presently recognized. They are estimated to …
Introduction of Gram-Positive and Gram-Negative Bacteria ‘Gram-Positive Bacilli (GPB)‘ is also called Gram-Positive Rods (GPR) bacteria which retain crystal violet dye and stain blue or purple on Gram’s staining. The most common medically important bacteria of GPR are Mycobacterium tuberculosis, Mycobacterium leprae, Listeria monocytogenes, Nocardia asteroides, Actinomyces israelii, Bacillus anthracis, Bacillus cereus, Bifidobacterium species, Corynebacterium …
Introduction Enterococcus faecalis (previously identified as Streptococcus faecalis) is a Gram-positive coccus in singles, pairs, and even short chains which is a commensal member of the gut microbiota of a wide range of microbes. With the advent of antibiotic therapy, it has emerged as a …
Introduction of Agar Art with Living Microbes Agar art or microbial art or agar art with living microbes and germ art are the synonyms in which artwork is created by culturing microbes in certain patterns. The microorganisms used can be bacteria, yeast fungi, or protists …
Introduction of Giemsa Stain Giemsa stain is a type Romanowsky stain that stains nuclei and cells. It was initially designed for the detection of malarial parasites in blood smears, but it is also used in histology for routine examination of blood smears. This technique uses for …
Introduction of Bacteria and Virus Bacteria are member of a large group of living unicellular microbes having size of cocci 0.5-1.0 µm while bacilli 1-10 µm×3-10µm which have cell walls but lacking an organized nucleus, including some that can cause disease like pneumonia, tuberculosis, food …
Introduction of VTM VTM stands for viral transport medium. It is the medium for the storage and transportation of viruses. It does not only preserve viral infectivity within the specimen but also prevents the specimen from drying as well as prevents the growth of other …
Introduction of Virus Replication Virus replication is s a complex process and totally depends on the host cell due to the lack of an enzyme system. Single replication of virus completes in 15-30 hours. Steps in Virus Replications Virus replication steps are as follows- Adsorption …