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Genetic variants are critical to fields like evolution, diagnostics, and medicine—but they’re complex. This article breaks them down.
Whether your experiment relies upon a reference-based genome assembly or mapping reads to a reference genome to identify variants, you need to choose a human reference genome assembly. But wait! You go to the FTP site of NCBI’s refseq and click on the Homo sapiens folder. There you are presented with two choices. Which one…
The technology for DNA sequencing was developed back in 1977 thanks to Frederick Sanger. It took a bit longer before it was possible to sequence a complete genome. This is because we needed an appropriate mathematical model and massive computational power to assemble millions or billions of small reads to a larger complete genome. Today’s…
A disruptive sequencing technology Every new generation, a new concept is born and can completely reshape the landscape of biomedical research. Nanopore sequencing technology, although still at its infancy, is beginning to look like a “game-changer.” It’s a revolutionary concept in sequencing in which strands of nucleic acids are fed through a tiny pore (nanopore)…
I’ve never run a sequencing gel in my life, but people around me did, and they spent a lot of time on getting it just right. Although the principle described by Sanger in 1975 sounds straightforward (1), sequencing gels are very long and very thin – less than a millimeter thick! They were easy to…
The age of sequencing is undoubtedly upon us. From improving cancer diagnostics to pinning down elephant poaching hotspots, DNA sequencing is revolutionizing the world around us from the ground up. The latest video from Thermo Fisher Scientific’s “Behind the Bench” blog, 10 moments in DNA sequencing gives fascinating insights into the amazing advances being made…
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