Oceans represent a huge reservoir of microbial life, including bacteria, archaea, fungi, microalgae and viruses. The biodiversity and potential applications of marine microorganisms have attracted ever increasing attention in recent decades. Our laboratory studies the lifestyles of marine microorganisms, especially those of significant biological, ecological or commercial interest, at the molecular level, and harvests and exploits marine microbial resources, to advance the understanding of the biology and promote the biotechnological exploration of marine microorganisms.