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Microbiology

Image: The E.Z.N.A Stool Extraction Kit Isolates DNA from stool samples using spin columns (Photo courtesy of Omega Bio-tek).

Type 1 Diabetes Risk Reflected in Gut Microbiome

Type 1 diabetes mellitus (T1D) is an autoimmune disorder characterized by the destruction of insulin-producing ß-cells in the pancreas, resulting in a life-long dependence on exogenous insulin. T1D is an autoimmune condition that can develop at any age. More...
06 Sep 2019
Image: A collection of whole saliva by the Salivette (absorbent) method. (a) Saliva is collected by chewing a cotton wool swab. (b) The swab containing saliva is placed in the tube of Salivette. (c) Centrifugation of the assemblage. (d) Saliva is separated from the swab and is ready for analysis (Photo courtesy of Sarstedt).

Optimized Immunoassays Detect HBV in Oral Fluid Samples

It is estimated that there are 257 million chronic hepatitis B (HBV) carriers worldwide, which highlights the substantial health, social, and economic burden of HBV. Screening of infected, cured and vaccinated individuals is necessary to identify the presence of chronically infected reservoirs, immune and susceptible individuals. More...
05 Sep 2019
Image: Aspergillus (Photo courtesy of Kateryna Kon / Fotolia.com).

Novel ELISA Detects Invasive Aspergillosis

Aspergillus spp. is a ubiquitous sac fungus, which is found in soil or compost or on damp walls. Inhalation of spores can lead to severe infections in individuals with a weakened immune system. More...
05 Sep 2019
Image: The VERSANT HCV Genotype 2.0 Line Probe Assay (Photo courtesy of Siemens Healthcare Diagnostics).

Sequencing Methods for Hepatitis C Virus Genotyping Compared

Due to its high rate of mutation, hepatitis C virus (HCV) forms viral quasispecies, classified based on the highly variable regions in the envelope protein and nonstructural 5B protein (NS5B). As a result of this large genetic variability, seven genotypes and more than 67 subtypes have been identified. More...
04 Sep 2019
Image: The gut-infecting bacterium Clostridium difficile shown growing in a petri dish, and is evolving into two separate species with one group highly adapted to spread in hospitals (Photo courtesy of Anne Koerber/LSHTM).

C. Difficile Bacteria Adapted to Spread in Hospitals

Clostridioides difficile, also known as Clostridium difficile, bacteria can infect the gut and are the leading cause of antibiotic-associated diarrhea worldwide. While someone is healthy and not taking antibiotics, millions of 'good' bacteria in the gut keep the C. difficile under control. More...
29 Aug 2019
Image: The CFX96 Touch RT-PCR detection system (Photo courtesy of Bio-Rad Laboratories).

Enterovirus Antibodies Detected in Acute Flaccid Myelitis Patients

Neurotropic enteroviruses (EVs), such as poliovirus, have long been associated with paralytic disease. Acute flaccid myelitis (AFM) has caused motor paralysis in more than 560 children in the United States since 2014. More...
28 Aug 2019
Image: Allplex gastrointestinal full-panel assays for the detection and identification of 25 gastrointestinal pathogens (six viruses, 13 bacteria and six parasites) using One-step RT Real-time PCR (Photo courtesy of Seegene).

Molecular Assays Compared for Gastrointestinal Pathogens

Infectious gastroenteritis is caused by infection with bacteria, viruses, or parasites. It is a major public health problem, being a leading cause of morbidity and mortality worldwide. Despite public health efforts in food safety education and water treatment systems, pathogen-induced acute diarrheal disease is still a significant cause of morbidity and mortality globally. More...
27 Aug 2019
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Hepy Urease Test
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Alcohol Testing Device
Dräger Alcotest 7000


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.