中国空间站发现微生物新物种“天宫尼尔菌” 天宫尼尔菌：适应空间环境的“六边形战士”

Core Insights - The discovery of a new microorganism species named "Tiangong Nier Bacteria" was announced by the China Manned Space Engineering Office, marking a significant achievement in space research [1] - The research was conducted during the Shenzhou 15 mission, where astronauts collected microbial samples from the space station [1][2] - The study utilized various scientific methods including morphological observation, genome sequencing, phylogenetic analysis, and metabolic analysis to confirm the unique species [1] Group 1 - The Tiangong Nier Bacteria is a Gram-positive spore-forming bacterium belonging to the genus Nier, demonstrating exceptional adaptability to space environments [3] - It exhibits remarkable "pressure resistance" by regulating the biosynthesis of bacterial thiols, effectively responding to oxidative stress in space [3] - The bacterium also shows unique characteristics in biofilm formation and radiation damage repair, making it a versatile organism capable of thriving in extreme conditions [3]