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Category: Bacteriology

link to Bile Solubility Test: Principle, Procedure, Results

Bile Solubility Test: Principle, Procedure, Results

The bile (sodium deoxycholate) solubility test distinguishes Streptococcus pneumoniae from all other alpha-hemolytic streptococci.  Streptococcus pneumoniae is bile soluble, whereas all other...

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link to Citrate Utilization Test: Principle, Procedure, Results

Citrate Utilization Test: Principle, Procedure, Results

The citrate utilization test is commonly employed as part of a group of tests, the IMViC (Indole, Methyl Red, VP, and Citrate) tests, that distinguish between members of the Enterobacteriaceae...

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link to Bacitracin Test: Principle, Procedure, Results

Bacitracin Test: Principle, Procedure, Results

Bacitracin is a bactericidal drug that is useful in treating superficial skin infections but is too toxic for systemic use. Bacitracin is a polypeptide antibiotic produced by Bacillus subtilis....

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link to Streptococcus pneumoniae: Properties, Pathogenesis, and Diagnosis

Streptococcus pneumoniae: Properties, Pathogenesis, and Diagnosis

Streptococcus pneumoniae (pneumococci) is a part of the normal nasopharyngeal and oropharyngeal flora. It is an important etiological agent of upper and lower respiratory tract infections (URTI...

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link to Biosafety level 1 (BSL1) guidelines for teaching laboratories

Biosafety level 1 (BSL1) guidelines for teaching laboratories

Preamble: Educators need to be aware of the risks inherent in using microorganisms in the laboratory and must use best practices to minimize the risk to students and the community. The following...

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link to Biochemical Tests for Bacterial Identification

Biochemical Tests for Bacterial Identification

In this blog post, I am sharing information about the standard, conventional biochemical tests and their primary uses in the Microbiology laboratory for identifying pathogens of interest. Some of the...

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Microbeonline.com is an online guidebook on Microbiology, precisely speaking, Medical Microbiology. This blog shares information and resources about pathogenic bacteria, viruses, fungi, and parasites.  We are trying our best to make this site user-friendly and resourceful with timely/updated information about each pathogen, disease caused by them, pathogenesis, and laboratory diagnosis.

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