Sagar Aryal, PhD 
DNA replication and transcription are fundamental genetic processes that are essential for cell growth and division. Both DNA replication and transcription processes involve the generation of a new molecule of … Read more
In 1984, Bolton et al. stated charcoal might efficiently substitute blood in a culture medium for isolating Campylobacter spp. Endtz et al. later confirmed there is a higher isolation rate … Read more
Thayer and Martin reported an improvement of the Chocolate Agar formulation that contained antimicrobics vancomycin, colistin and nystatin have been added to minimize overgrowth by contaminants, suppress the growth of … Read more
MHC Class I and Class II differences (mhc i vs mhc ii) The major differences are: S.N. Characteristics MHC-I molecule MHC -II molecule 1. Distribution Present on almost all nucleated … Read more
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 is recommended for the detection and … Read more
Amies Transport Medium is an improved transport medium, containing charcoal to prolong the viability of pathogenic organisms. It is a semisolid media recommended for use in qualitative procedures for the … Read more
Simmons citrate agar is a selective and differential medium that tests for an organism’s ability to use citrate as a sole carbon source and ammonium ions as the sole nitrogen … Read more
Yeasts are unicellular eukaryotes and extensively studied model organism in molecular genetics. They are chemoorganotrophs as they utilize organic compounds as a source of energy. Yeast extract peptone dextrose (YPD … Read more
What is Mueller Hinton Agar (MHA)? Mueller and Hinton developed Mueller Hinton Agar (MHA) in 1941 for the isolation of pathogenic Neisseria species. Mueller Hinton agar is a microbiological growth medium that is commonly used for antibiotic … Read more
Peptone Yeast Extract Broth Based Media are enriched nonselective media that are supplemented with hemin and vitamin K to facilitate the recovery of the more fastidious organisms such as Prevotella spp, … Read more
