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Microbiology

Image: A photomicrograph of a dendritic cell (green) infected by Toxoplasma gondii (red) (Photo courtesy of The Wenner-Gren Institute).

Researchers Decode Toxoplasmosis’ Control of Immune Cells

The infection toxoplasmosis is caused by the parasite Toxoplasma gondii and is widely spread. It is estimated that 30%-50% of the global human population are carriers. Cats are the parasites' main host, but the infection is also spread among other animals, including humans. More...
20 Dec 2017
Image: The Mastercycler Nexus thermal cycler (Photo courtesy of Eppendorf).

Multiplexed Amplification Evaluated for Viral Hemorrhagic Fever Diagnostics

Viral hemorrhagic fever is a severe and potentially lethal disease, characterized by fever, malaise, vomiting, mucosal and gastrointestinal bleeding, and hypotension, in which multiple organ systems are affected. More...
14 Dec 2017
Image: A histopathology of active hepatitis C viral infection of the liver (Photo courtesy of California Pacific Medical Center).

Hepatitis C Screening Recommended During Pregnancy

The estimated prevalence of antenatal Hepatitis C (HCV) infection is low in the USA, about 1%-2.5%, although some have suggested that it’s as high as 4% and some have recommended against screening all pregnant women for HCV, citing a lack of data on the cost-effectiveness of universal screening. More...
13 Dec 2017
Image: A colored scanning electron micrograph (SEM) of the periodontal pathogen Porphyromonas gingivalis (Photo courtesy of the Forsyth Institute).

Oral Microbiome Composition Reflects Risk for Esophageal Cancers

Esophageal cancer is the eighth most common cancer and the sixth leading cause of cancer death worldwide. Because the disease is often not discovered until it has reached an advanced stage, five-year survival rates range from about 15% to 25% worldwide. More...
12 Dec 2017

Second Test Helps Prevent Incorrect HIV Diagnosis

The specificity of nucleic acid amplification tests (NAATs) used for early infant diagnosis (EID) of human immunodeficiency virus (HIV) infection is less than 100%, leading some HIV-uninfected infants to be incorrectly identified as HIV-infected. More...
06 Dec 2017
Image: The BACTEC mycobacterial growth indicator tubes (Photo courtesy of Becton, Dickinson and Company).

TB Culture Methods Determine Relapse and Cure

Tuberculosis (TB) kills more people than any other infectious disease, and new regimens are essential. The primary endpoint for confirmatory phase III trials for new regimens is a composite outcome that includes bacteriological treatment failure and relapse. More...
04 Dec 2017
Image: Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry apparatus (Photo courtesy of Maciej Kotlinski).

Rapid Detection of Antibiotic Resistance Uses MALDI-TOF MS

A universal phenotypic method has been targeted which would allow easy and rapid antimicrobial susceptibility testing independently of underlying resistance mechanism. More...
30 Nov 2017
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The LabMedica Microbiology channel provides the latest news in the fields of epidemiology, bacteriology, virology, and parasitology, all viewed from the unique perspective of Laboratory Medicine.