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Microbiology

Image: Electron micrograph of influenza viruses (Photo courtesy of University of Saskatchewan).

Immune Signature Predicts Poor Outcome in Influenza Patients

A signature immune response has been identified that might help doctors identify which newly diagnosed influenza patients are most likely to develop severe symptoms and suffer poor outcomes.  More...
27 Feb 2014
Image: Scanning electron micrograph of human immunodeficiency viruses attached to a human CD4 T-cell (Photo courtesy of Thomas Deerinck).

Novel Method Tracks T-Cells in HIV Patients

The determination of the precise lifespan of a human T-cell is challenging due to inability of standard techniques to distinguish between dividing and dying cells.  More...
24 Feb 2014
Image: Nomarski interference contrast photomicrographs of Cryptosporidium muris from the feces of an HIV-positive human. Scale bars = five micrometers (Photo courtesy of the CDC – [US] Centers for Disease Control and Prevention).

Rapid DNA Amplification Assay Detects Cryptosporidium in Stool Samples

A newly developed RPA lateral flow assay rapidly and accurately detected the parasite Cryptosporidium in stool samples.  More...
19 Feb 2014
Image: University of Iowa researchers have created a noninvasive probe that can detect a common strain of staph bacteria in the body. The staph bacteria are located via a light-emitting molecule (green), which is released when a bacterial enzyme (in orange) slices and separates the probe (shown in blue), shown in the illustration above (Photo courtesy of McNamara lab, University of Iowa).

Molecular Probe Lights Up Staph Infections

A novel chemical probe comprising a self-quenching fluorescently labeled oligonucleotide allows for the rapid, noninvasive detection of staphylococcal infections.   More...
17 Feb 2014
Image: Scanning electron micrograph of Campylobacter jejuni (Photo courtesy of Jonas Waldenström).

Rapid Commercial Test for Campylobacter Evaluated

The effectiveness of a new rapid immunochromatographic test for the qualitative detection of Campylobacter antigens in pathologic feces has been evaluated.   More...
13 Feb 2014
Image: Photomicrograph of Bordetella bronchiseptica using Leifson flagella stain (Photo courtesy of William A. Clark).

Molecular Assays Developed to Differentiate Bordetella Species

Bordetella parapertussis is a causative agent of whooping cough or pertussis in humans and B. bronchiseptica causes a wide variety of respiratory infections in mammals including humans, and a specific diagnostic assay would be useful for routine use or for use in reference laboratories.  More...
12 Feb 2014
Image: Larva of the nematode parasite Strongyloides stercoralis (Photo courtesy of Centers of Disease Control and Prevention).

Serologic Tests for Threadworm Infection Compared for Accuracy

The diagnosis of Strongyloides stercoralis or threadworm infection is hampered by the suboptimal sensitivity of fecal-based tests.  More...
10 Feb 2014
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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.