Read-counting for PGT-A

Introductory article about Pre-Implantation "Genetic Testing for Aneuploidy" using sequencing-based read-counting.

RNA-Seq data quality scores

There are different ways to encode the quality scores in FASTQ files from Next-generation sequencing machines. This is important to find out before using the data and to convert between formats if…

Determining Coverage for NGS Data

One of the most common question after your Next-Generation Sequencing (NGS) run is: "What is the coverage I achieved?" Unfortunately there a different definitions available for the term "coverage".

Command-line NGS data munging

Notes about working with fasta / fastq files on the Unix command line.

A DNA Sequencing History

Some of the landmarks in the history of DNA sequencing and molecular biology.