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Microbiology

Image: High magnification (15,549 x) scanning electron micrograph (SEM) showing a number of Gram-positive Mycobacterium tuberculosis bacteria (Photo courtesy of the CDC – US Centers for Disease Control and Prevention).

PCR-Based Blood Test Accurately Diagnoses Active Tuberculosis

A panel of three genes has been established that accurately distinguishes individuals with active tuberculosis from healthy individuals or from patients with chronic TB or AIDS.  More...
06 Mar 2016
Image: The human T-cell (blue) under attack by human immunodeficiency viruses (yellow) (Photo courtesy of the US National Institute of Health).

Screening Tests Compared to Detect Acute HIV Infection

Although acute human immunodeficiency virus infection contributes disproportionately to onward HIV transmission, HIV testing has not routinely included screening for acute HIV infection  More...
02 Mar 2016
Image: Legionella sp. colonies growing on an agar plate and illuminated using ultraviolet light to increase contrast (Photo courtesy of CDC/James Gathany).

New Protocol Rapidly Detects Three Legionella Species

An innovative protocol has been developed for the detection of the three most prevalent Legionella species, enabling the source of the infection to be located in just eight hours.  More...
01 Mar 2016
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Rapid New Test Detects Chlamydia Infection

A novel system DNA probes with bespoke electrochemical tags attached to accurately detect for infectious diseases and this system has significant benefits over existing diagnostic tests, allowing for faster results.   More...
29 Feb 2016
Image: Immunohistochemistry showing in situ hybridization positive for human papilloma virus HPV16/18 in this anal carcinoma histology specimen (Photo courtesy of International Agency for Cancer Research).

Human Papillomavirus Infection Connected to Anal Cancer

The prevalence of abnormal anal cytology and high-risk human papillomavirus among women with a history of HPV-related genital neoplasia with women without a history of HPV-related genital neoplasia has been compared.   More...
29 Feb 2016
Image: High-throughput loop-mediated isothermal amplification (HtLAMP) color change associated with hydroxynaphtholblue (HNB); left clear, purple color is negative and right cloudy, blue color positive for Plasmodium vivax (Photo courtesy of QIMR Berghofer Medical Research Institute).

High-Throughput LAMP Assay Targets Benign Tertian Malaria

Diagnostic tools for Plasmodium vivax infection, also known as benign tertian malaria, in non-reference laboratory settings are limited to microscopy and rapid diagnostic tests (RDT) but these are unreliable at low parasitemia.  More...
28 Feb 2016
Image: Automated colony-scoring of chromogenic media agar plates for the detection of MRSA using the WASPLab image analysis software (Photo courtesy of COPAN Group/PRNewsFoto).

Automated Image Analysis Software Reliably Identifies Positive MRSA

In a unique-in-its-class digital microbiology study of almost 60,000 samples, new WASPLab software developed for automated colony-scoring of chromegenic media plates provided superior detection of methicillin-resistant Staphylococcus aureus. More...
24 Feb 2016
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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.