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last updated: January 18, 2021
Gina Misra is a science writer at the Blue Marble Space Institute of Science and holds an MS in Cell and Molecular Biology.
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Your DNA sequence can be put to good use fairly easily with Blast and Mega software. These programs can help in phylogenetic tree construction. You can ask questions like what is the evolutionary relationship between a set of sequences from different species? Or how have certain microbial strains arisen? Blast As any bioscientist probably knows,…
Epigenetics is the most rapidly expanding field in biology. In the second article in this series, I discussed which experimental techniques have been crucial in gaining insight into epigenetic processes. I will now shed light on what those and other methods have taught us. As described in the first article, it has been long understood…
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…
Size Selection via Gel Electrophoresis Whether you are using NGS for whole genome sequencing, SNP variant analysis, HLA typing, HLA matching, or even transcriptome or miRNA analysis by RNA-seq, size selection is an extremely important consideration for optimum results. Precise size selection can increase sequencing efficiency, save money and improve genome assemblies, as well as…
Genomic Science has come a long way since the early days of Sanger sequencing in the 1970’s. Today, there are jazzy new sequencing technologies that include fragment analysis, epigenetic sequencing, RNA/transcriptome sequencing and Next Generation Sequencing (NGS). Increasingly these technologies are becoming more accessible, but they still require highly specialized (read: expensive) equipment. Unless your…
Nanopore is a relatively new sequencing platform and researchers are still trying to optimize the protocol for their own specific applications. In our lab, we work primarily with metagenomic samples and use the 1D sequencing kits. Over the past year, we have optimized this technique. To check the quality of the Nanopore library preparation we…
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