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Microbiology

Image: A colony of Aggregatibacter actinomycetemcomitans, showing the characteristic flower-like morphology (Photo courtesy of UCL Eastman Dental Institute).

Common Bacteria of Gum Disease Linked to Rheumatoid Arthritis

A bacterium known to cause chronic inflammatory periodontal infections may also triggers the inflammatory “autoimmune” response characteristic of chronic, joint-destroying rheumatoid arthritis (RA). More...
28 Dec 2016
Image: A cutaway showing a smartphone and the diagnostic attachment for antimicrobial susceptibility testing (Photo courtesy of Dr. Aydogan Ozcan, University of California, Los Angeles).

Modified Smartphone-based System Automatically Determines Antibiotic Resistance

Microbiology researchers have described a modified smartphone that functions as an automated diagnostic test reader for the determination of antimicrobial resistance. More...
27 Dec 2016
Image: A fluorescent micrograph of Streptococcus pneumoniae in spinal fluid (Photo courtesy of the CDC).

Pneumococcal Immune Status Accurately Determined in Saliva Samples

Measurement of levels of antibodies against 12 Streptococcus pneumoniae antigens in saliva was shown to provide as accurate an indication of immune status against this organism as was determination of antibody levels in blood serum. More...
27 Dec 2016
Image: The Kalazar Detect dipstick kit, a recombinant k39 antigen-based immunochromatographic strip to detect anti-Leishmania antibodies (Photo courtesy of InBios International).

DNA Microarray Detects 18 Important Human Blood Protozoan Species

Accurate detection of blood protozoa from clinical samples is important for diagnosis, treatment and control of related diseases and developing a rapid, simple, and convenient detection method for protozoan detection is an urgent need. More...
22 Dec 2016
Image: A photomicrograph of Onchocerca volvulus microfilarial larva from a skin snip biopsy stained with Giemsa (Photo courtesy of Dr. Lee Moore).

Isothermal DNA Amplification Method Detects Onchocerca in Skin Biopsies

Onchocerciasis, infection with the filarial nematode Onchocerca volvulus is a neglected tropical disease, which is best known as river blindness. Diagnostic procedures for the diagnosis of infection with this nematode parasite are currently based on the microscopic detection of microfilariae in skin biopsies. More...
20 Dec 2016
Image: Bacterial colonies of Staphylococcus aureus growing on horse blood agar (Photo courtesy of OMICS International).

Genomics Technique Accelerate Detection of Foodborne Bacterial Outbreaks

Diagnostic testing for foodborne pathogens relies on culture-based techniques that are not rapid enough for real-time disease surveillance and do not give a quantitative picture of pathogen abundance or the response of the natural microbiome. More...
15 Dec 2016
Image: An immunofluorescence of Escherichia coli K99 pili protein in human brains (Photo courtesy of University of California at Davis).

Gram-Negative Bacterial Molecules Associated with Alzheimer Disease Pathology

Scientists have known for some time that infections can increase the risk of Alzheimer's. However, now for the first time it has been found increased levels of Gram-negative bacteria antigens in Alzheimer's disease brains and bacterial molecules associated with the disease pathology. More...
15 Dec 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.
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