Kanazawa University In order to introduce the wide range of research conducted by the researchers of the "KOKOKARA" (The Innovation Begins Here), we will introduce the research of each researcher under the theme of "Innovation Begins Here" to a wider audience. In the 50th issue, we will introduce the research of Yukako Fujinaga Professor of Institute of Medical, Pharmaceutical and Health Sciences Faculty of Medicine under the title of "The World of Bacteria.