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Microbiology

Image: In an outbreak of Legionnaires\' disease, finding the exact source as quickly as possible is essential to preventing further infections. Investigators have now developed a rapid test that identifies Legionella pneumophila in less than one hour. The photograph shows the use of the LegioTyper-chip with the MCR microarray analysis platform (Photo courtesy of Jonas Bemetz, Technical University of Munich).

Rapid Detection of Legionella Offered for Commercial Water Systems

A rapid (approximately one hour) DNA microarray-based assay is set to replace classical culture methods for identification of Legionella bacteria in commercial water systems. More...
02 Apr 2018
Image: Two Cholkit dipsticks showing characteristic negative (left image) and positive (right image) results after 15 minutes sample run (Photo courtesy of International Centre for Diarrhoeal Disease Research).

New Dipstick Rapidly Detects Cholera in Acute Diarrhea

Cholera is an acute watery diarrheal disease caused mainly by Vibrio cholerae serogroup O1 and less commonly by V. cholerae O139. Cholera can lead to severe diarrhea and death if untreated. More...
29 Mar 2018
Image: The Lab-on-a-Chip system used with Raman spectroscopy to identify antibiotic resistance (Photo courtesy of Leibniz-Institute of Photonic Technology).

New Rapid Test Reports Antibiotic Resistance in Two Hours

Resistant bacteria are spreading worldwide, which makes fast antibiotic susceptibility testing and determination of the minimal inhibitory concentration (MIC) urgently necessary to select appropriate antibiotic therapy in time. More...
28 Mar 2018
Image: The bacterium Salmonella enterica serovar Typhi in Pakistan have developed greater drug resistance by acquiring a DNA plasmid encoding further antibiotic resistance genes from another bacteria (Photo courtesy of Dave Goulding, Wellcome Sanger Institute).

Typhoid Fever Bacteria Sequencing Reveals Drug Resistance Genes

Antibiotic resistance is a major problem in Salmonella enterica serovar Typhi, the causative agent of typhoid. Multidrug-resistant (MDR) isolates are prevalent in parts of Asia and Africa and are often associated with the dominant H58 haplotype. More...
21 Mar 2018
Image: The H. pylori Ag test is a rapid test for the qualitative detection of Helicobacter pylori antigen in human fecal specimen (Photo courtesy of Standard Diagnostics).

Helicobacter Pylori Immunoassays Evaluated for Efficacy

Helicobacter pylori are curved gram negative bacilli and have been etiologically associated with several pathogenic conditions of the stomach ranging from gastritis to gastric cancer. Prevalence of H. pylori infection varies based on several factors globally and in developing countries more than 80% of the population is infected with H. pylori. More...
19 Mar 2018
Image: Liquid chromatography-mass spectrometry used for targeted profiling of plasma metabolites (Photo courtesy of McGill University).

Plasma Metabolite Profile and Gut Microbiota Connected to Obesity

A new link has been discovered between gut bacteria and obesity. It has been found that certain amino acids in the blood can be connected to both obesity and the composition of the gut microbiome. More...
14 Mar 2018
Image: A new technique that makes tuberculosis bacteria glow detects living Mycobacterium tuberculosis cells that have not been treated with drugs (left) but not those that have been treated (right) (Photo courtesy of Stanford University).

Solvatochromic Trehalose Probe Rapidly Detects TB

Despite its devastating toll on health, the bacteria causing tuberculosis (TB), Mycobacterium tuberculosis, can be hard to spot. Current tests rely on chemical stains and estimates put the sensitivity of these stains anywhere from 32% to 94%. More...
13 Mar 2018
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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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