Tween 80 is the trade name of the detergent polyethylene derivative of sorbitan mono-oleate. Some Mycobacterium species possess an enzyme-lipase, that splits the compound and releases oleic acid and...
Month: February 2015
Japanese Encephalitis (JE) Virus: Life Cycle, Pathogenesis, Diagnosis
Fig: Geographic distribution of Japanese encephalitis virus Japanese Encephalitis (JE) virus was initially isolated in Japan in 1935. It is a leading cause of vaccine-preventable encephalitis...
A group of researcher published an article in “Nature” reporting the discovery of a new cell wall inhibitor, teixobactin, from a screen of uncultured bacteria grown in diffusion chambers in situ...
O-Nitrophenyl-β-D-galactopyranoside (ONPG) is structurally similar to lactose (i.e. O-Nitrophenyl-β-D-galactopyranoside is an analog of lactose), except that orthonitrophenyl has been substituted...
Transport media are solutions of buffers with carbohydrates, peptones, and other nutrients (excluding growth factors) designed to preserve the viability of bacteria during transport without allowing...
Leucine Aminopeptidase (LAP) Test: Principle, Procedure, Results
Leucine Aminopeptidase (LAP) test is used to identify catalase-negative gram-positive cocci. Specifically, it differentiates Aerococcus and Leuconostoc from Streptococcus, Enterococcus, Lactococcus,...