Characterisation of an Escherichia coli line that completely lacks ribonucleotide reduction yields insights into the evolution of parasitism and endosymbiosis oleh Samantha DM Arras, Nellie Sibaeva, Ryan J Catchpole, Nobuyuki Horinouchi, Dayong Si, Alannah M Rickerby, Kengo Deguchi, Makoto Hibi, Koichi Tanaka, Michiki Takeuchi, Jun Ogawa, Anthony M Poole