Panichkin Vladimir B, Arakawa-Kobayashi Satoko, Kanaseki Toku, Suzuki Iwane, Los Dmitry A, Shestakov Sergey V, Murata Norio
National Institute for Basic Biology, Myodaiji, Okazaki 444-8585, Japan.
J Bacteriol. 2006 Nov;188(21):7696-9. doi: 10.1128/JB.00838-06. Epub 2006 Aug 17.
Previous studies showed that a Ser/Thr protein kinase, SpkA, in Synechocystis sp. strain PCC 6803 is involved in cell motility. The present study, in which DNA microarray analysis and electron microscopy were used, demonstrated that SpkA regulates the expression of putative pilA9-pilA10-pilA11-slr2018, pilA5-pilA6, and pilA1-pilA2 operons and is essential for the formation of thick pili.
先前的研究表明,集胞藻6803株中的一种丝氨酸/苏氨酸蛋白激酶SpkA参与细胞运动。本研究使用了DNA微阵列分析和电子显微镜,结果表明SpkA调节假定的pilA9 - pilA10 - pilA11 - slr2018、pilA5 - pilA6和pilA1 - pilA2操纵子的表达,并且对粗菌毛的形成至关重要。