The genus Serratia currently contains >15 recognized species, seven of which have been isolated from human clinical specimens. S. marcescens is the most important member of the genus. Recognized...
Year: 2021
Mucormycosis: Pathogenesis, Clinical Features, and Treatment
Mucormycosis, previously called ‘zygomycosis’, also known as ‘black fungus disease ‘in online or print media after its epidemic in India during the COVID-19 pandemic, is a...
The cycle threshold (Ct) can be defined as the thermal cycle number needed to amplify viral RNA at which the fluorescent signal exceeds that of the background and thus passes the threshold for...
The enzyme carbapenemase can be detected by various phenotypic and molecular methods. Phenotypic methods for carbapenemases detection are preferred over molecular techniques because they are rapid,...
Phenylethyl alcohol agar (PEA) is a selective medium used to cultivate Gram-positive organisms, particularly cocci, from a sample containing a mixture of pathogens. The active ingredient, phenylethyl...
Demonstration of Treponema pallidum Using Dark-Field Microscopy
Treponema pallidum is a thin, delicate, tightly wound spirochaete that cannot be seen in Gram-stained smears. So, dark-field microscopy is used to demonstrate the presence of motile Treponema...