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Ancient pathogens are microorganisms, now extinct, that in the past centuries caused several epidemics and deaths worldwide. Their genome, referred to as ancient DNA (aDNA), is isolated from the burial's remains (bones and teeth) of victims of the pandemics caused by these pathogens. The analysis of the genomic features of ancient pathogen ...
DNA extraction. The first isolation of deoxyribonucleic acid (DNA) was done in 1869 by Friedrich Miescher. [1] DNA extraction is the process of isolating DNA from the cells of an organism isolated from a sample, typically a biological sample such as blood, saliva, or tissue. It involves breaking open the cells, removing proteins and other ...
Promega Corporation was founded by Bill Linton in 1978 to provide restriction enzymes for biotechnology. [2] The company now offers more than 4,000 life science products used by scientists, researchers and life science and pharmaceutical companies. Promega has 1,601 employees. Revenue is approaching $450 million (USD) in 2019.
A genomic library is a collection of overlapping DNA fragments that together make up the total genomic DNA of a single organism. The DNA is stored in a population of identical vectors, each containing a different insert of DNA. In order to construct a genomic library, the organism's DNA is extracted from cells and then digested with a ...
The plant cells are subjected to a strongly alkaline solution containing a detergent (usually a zwitterionic or nonionic detergent such as Tween 20), and the mixture is incubated at high temperature. This method is not used as often due to the sodium hydroxide's tendency to damage genetic material, reducing DNA fragment size.
The company developed enzyme-based reagent kits made by Promega Corporation, and in the new field of bioinformatics, licensed with TRW Inc. Also, joint marketing began with Perkin-Elmer Corporation and Cetus Corporation (formerly of instruments and reagents for DNA replication , the fastest growing segment in biotechnology.
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