Targeted deletion of genes for eukaryotic RNA-binding proteins, Rbp1 and Rbp2, in the cyanobacterium Synechococcus sp. strain PCC7942: Rbp1 is indispensable for cell growth at low temperaturesChieko Sugita; Michinori Mutsuda; Masahiro Sugiura; Mamoru Sugita · 1999