Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoichi Nakahira and Atsushi Ogawa and Hiroyuki Asano,Theophylline-Dependent Riboswitch as a Novel Genetic Tool for Strict Regulation of Protein Expression in Cyanobacterium Synechococcus elongatus PCC 7942,Plant and cell physiology,00320781,Kyoto : Japanese Society of Plant Physiologists,2013-10,54,10,1724-1735,https://cir.nii.ac.jp/crid/1523951030690900352,