Leaf Starch Test: Principle, Procedure, Results, Uses
Starch in a leaf can be easily detected in a lab with the help of iodine solution. This test is called the ‘Leaf Starch Test’ or ‘Iodine Test for Starch’. … Read more
Prashant Dahal
Cocci vs. Bacilli: 5 Major Differences with Examples
Bacteria may be a domain of minuscule, microscopic, unicellular beings, but they are amazingly diverse among themselves. There are multiple classification schemes used to classify bacteria; among them classification based … Read more
Sulfur Reduction Test: Principle, Procedure, Results, Uses
Elemental sulfur and sulfur-containing compounds – both organic and inorganic compounds – can be metabolically reduced by some microorganisms to obtain metabolic energy. Such microorganisms are called sulfur-reducing microorganisms. Several … Read more
TSIA Test: Principle, Media, Procedure, Results, Uses
When it comes to the biochemical activities and enzyme systems, each bacterial genus has its unique characteristics. These unique characteristics are the basis for differentiating and identifying bacteria based on … Read more
VP Test: Principle, Reagents, Procedure, Results, Uses
Although most bacteria are able to ferment (metabolize) glucose, the end product of glucose metabolism by different bacteria might not always be the same. Following glycolysis, some follow the mixed … Read more
Satellitism Test: Principle, Media, Procedure, Results, Uses
Haemophilus spp. requires either or both of the X-factor (hemin or protoporphyrin IX) and V-factor (nicotinamide adenine dinucleotide (NAD)) for their growth and survival. Haemophilus spp. can be distinguished down … Read more
Spot Indole Test: Principle, Procedure, Results, Uses
Spot indole test method is a rapid indole detection method where bacteria cultivated in the tryptophan-rich medium are directly exposed to an Indole Reagent for detection of indole production. The … Read more
What are Viruses?- A Complete Study Note and Guide
‘The simpler it is, the harder it is to understand.’ This idiom fits viruses. Viruses are the most astonishing creation of nature. Despite their simple physical and molecular structure, they … Read more
Transport Media: Principle, Uses, Types, Examples
Culture media are solid, semisolid, or liquid preparations containing essential nutrients and minerals vital for microorganisms’ survival and growth. They are also called growth media. They provide nutritional requirements and … Read more
Vibrio vulnificus: An Overview
Vibrio vulnificus is a Gram-negative, facultative anaerobic, curved rod-shaped, motile, Gammaproteobacteria of the Vibrio genus in the Vibrionaceae family. It is one human pathogenic species of the Vibrio genus together … Read more