
Escherichia coli. In this issue, Michael Green and Joseph Sambrook discuss methods to transform E. coli with plasmid DNA (doi:10.1101/pdb.top101170). The image was adapted from an illustration from TogoTV (https://doi.org/10.7875/togopic.2012.12; ©2016 DBCLS TogoTV / CC-BY-4.0; accessed September 20, 2021).