Mycobacterium tuberculosis

Mycobacterium tuberculosis is an obligate aerobic acid resistant rod-shaped bacterium which causes most of the cases of tuberculosis. The term Mycobacterium tuberculosis complex includes closely related bacteria causing the same clinical symptoms – M. tuberculosis, M. bovis, M. africanum, M. microti and M. canetti. Tuberculosis still remains a serious infectious disease, namely because of the rising occurrence of antituberculosis drug resistance and because of the increasing proportion of immunocompromised individuals in the human population, although a sophisticated system of inoculation and prevention exists.

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gb SG PCR Master Mix

gb SG PCR Master Mix falls into a group of Real-Time PCR Master Mixes to provide Dye-based qPCR. The product consists of hot-start Taq DNA polymerase, reaction buffer, dNTP, MgCl2, sybrgreen and additives that prevent PCR inhibition. Taq polymerase is chemically modified DNA polymerase from Thermus aquaticus. This polymerase is completely inactive at room temperature but it is rapidly activated during the initial denaturation step of PCR.

Alternative dyes for oligonucleotides/probes labeling

Why choose alternative dyes instead of "genuine" dyes? First, they are cheaper, and second, they can give the same results. Another reason is that the number of suppliers who can provide modified oligonucleotides is restricted - only a patent or a licence owner is usually allowed to produce them.

CRO case studies

Yeast Production Strain Cell Line Authentication by RFLP analysis

Background Probiotics are defined as live microorganisms which, when administered in adequate amounts, confer a health benefit on the host. For instance, probiotics can be used in the treatment and prevention of infections and chronic inflammatory disorders of the gastrointestinal tract. Due to their health attributes, probiotics generate considerable interest in the area of functional

CRO case studies

Quality Control Check of Avermectin Batches for Presence of Residual DNA

The avermectins compose a class of polycyclic lactones that are used to treat parasitic worms and insect pests. They are naturally occurring compounds generated in a fermentation process by a soil actinomycete Streptomyces avermitilis.

CRO case studies

GLP-compliant Biodistribution Study of Vaccinia Virus in Mice by qPCR

Biodistribution (BD) studies are critical components when assessing the preclinical safety evaluation of cell and gene therapy molecules. BD analysis is generally conducted at the molecular level using a methodology that provides high sensitivity.