New Strain of Bacteria Found on China’s Tiangong Space Station
- Chinese researchers discovered a new bacterial strain named Niallia tiangongensis aboard the Tiangong space station in 2023.
- The discovery emerged from an ongoing program that continuously monitors microbial changes throughout the extended operation of the China Space Station’s living quarters.
- Researchers used surface swabs collected by the Shenzhou-15 crew, analyzed with genome sequencing, imaging, and metabolic profiling to identify the Gram-positive, spore-forming, rod-shaped strain.
- The strain exhibits distinct structural and functional variations in the BshB1 and SplA proteins, which likely contribute to improved biofilm development, resilience against oxidative stress, and repair of radiation-induced damage, thereby supporting its ability to survive in the space environment.
- This finding suggests potential applications for targeted microbial control in aerospace, agriculture, medicine, and sustainable waste conversion both in orbit and on Earth.
35 Articles
35 Articles
Unknown Species of Bacteria Discovered in China's Space Station
Swabs from China's Tiangong space station reveal traces of a bacterium unseen on Earth, with characteristics that may help it function under stressful environmental conditions hundreds of kilometers above the planet's surface.
Towards estimating the number of strains that make up a natural bacterial population
What a strain is and how many strains make up a natural bacterial population remain elusive concepts despite their apparent importance for assessing the role of intra-population diversity in disease emergence or response to environmental perturbations. To advance these concepts, we sequenced 138 randomly selected Salinibacter ruber isolates from two solar salterns and assessed these genomes against companion short-read metagenomes from the same …
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