Pyfastx: a robust Python package for fast random access to sequences from plain and gzipped FASTA/Q files. - Du, Lianming; Liu, Qin; Fan, Zhenxin; Tang, Jie; Zhang, Xiuyue; Price, Megan; Yue, Bisong; Zhao, Kelei (Briefings in Bioinformatics, 2021)