内部“时钟”设定细菌细胞分裂的时间  

研究人员发现了一种控制细菌细胞分裂的“时钟”机制。他们报告了一个小的信号分子是如何启动“时钟”的，它告诉细胞正确的分裂时间。

Inner 'clockwork' sets the time for cell division in bacteria

https://www.sciencedaily.com/releases/2020/02/200210112324.htm

Journal References:

1. Andreas Kaczmarczyk, Antje M. Hempel, Christoph von Arx, Raphael Böhm, Badri N. Dubey, Jutta Nesper, Tilman Schirmer, Sebastian Hiller, Urs Jenal. Precise timing of transcription by c-di-GMP coordinates cell cycle and morphogenesis in Caulobacter. Nature Communications, 2020; 11 (1) DOI: 10.1038/s41467-020-14585-6

2. Badri N. Dubey, Elia Agustoni, Raphael Böhm, Andreas Kaczmarczyk, Francesca Mangia, Christoph von Arx, Urs Jenal, Sebastian Hiller, Iván Plaza-Menacho, Tilman Schirmer. Hybrid histidine kinase activation by cyclic di-GMP–mediated domain liberation. Proceedings of the National Academy of Sciences, 2020; 117 (2): 1000 DOI: 10.1073/pnas.1911427117