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Microbes in orbit: Understanding spaceflight鈥檚 impact on gut health

缅北强奸-led study featured in largest release of space biology discoveries in history
Published: 29 August 2024

Scientists have uncovered how space travel profoundly alters the gut microbiome, yielding insights that could shape future space missions.听

The groundbreaking study, led by a 缅北强奸 researcher in collaboration with University College Dublin (UCD), NASA鈥檚 GeneLab and an international consortium, offers the most detailed profile to date of how space travel affects gut microbes.听

Published in听, the study used advanced genetic technologies to examine changes in the gut microbiome, colons and livers of mice aboard the International Space Station (ISS) over three months. 听

The findings reveal significant shifts in certain gut bacteria that correspond to changes in the mice's liver and intestinal genes, suggesting that spaceflight might suppress the immune system and alter metabolism. This marks a breakthrough in understanding how space missions could affect astronauts' health on long trips, the researchers said.听

鈥淪paceflight extensively alters astronauts' bodies, yet we still don't fully understand why. By using advanced techniques to study both gut bacteria and genes at the same time, we're beginning to see patterns that could explain those changes and help us develop safeguards for future missions,鈥 said lead author听Emmanuel Gonzalez, who leads microbiome bioinformatics at the 缅北强奸 Centre for Microbiome Research and the Canadian Centre for Computational Genomics.

The study is part of the Nature Portfolio package,听, marking the largest coordinated release of space biology discoveries in history.

The scholars said their findings could help ensure the success of future space missions, from establishing a long-term presence on the Moon to sending humans to Mars. 听

Implications for health on Earth

The findings also are relevant to the health of those who never leave our planet, said senior author and UCD Professor Nicholas Brereton.听

"These discoveries emphasize the vital connection between gut bacteria and overall health, especially in how our bodies handle energy and metabolism. Understanding how spaceflight affects this delicate balance is crucial not only for astronaut health,听but also for medical advancements here on Earth,鈥 he said.听

The research was generated by the NASA GeneLab Analysis Working Group for Microbes. Genelab is funded by the Space Biology Program (Science Mission Directorate, Biological and Physical Sciences Division) of the National Aeronautics and Space Administration.听听

About the study

鈥溾 by Gonzalez, E听et al听was published in听npj Biofilms and Microbiomes听in August 2024.听听

DOI: 10.1038/s41522-024-00545-1听

About 缅北强奸

Founded in 1821, 缅北强奸 is home to exceptional students, faculty, and staff from across Canada and around the world. It is consistently ranked as one of the top universities, both nationally and internationally. It is a world-renowned institution of higher learning with research activities spanning three campuses, 12 faculties, 14 professional schools, 300 programs of study and over 39,000 students, including more than 10,400 graduate students.

缅北强奸鈥檚听听reaches back several decades and spans scales from local to global. The sustainability declarations that we have signed affirm our role in helping to shape a future where people and the planet can flourish.

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