⭐️ Unveiling the Cell’s "Attendance Guard"

Surviving in extreme environments is no easy feat. To conserve precious energy under stress, archaea have evolved the ability to enter hibernation rapidly. Deploying a multidisciplinary approach, our team investigated the mechanism behind this process and identified the regulatory player hiding inside the cell—the ARC (Archaeal Ribosome regulatory Complex).

We found that this dual-factor complex, composed of ARC-A and ARC-P, acts as a precise "cellular energy monitor." Leveraging its CBS domain, it senses the cell’s ATP status. The moment energy levels drop, it helps molecularly lock the ribosome—the cellular protein-manufacturing machinery. By triggering this protective shut-down mode, it ensures that cells can remain resilient during tough times.

⭐️ A Delightful Coincidence: Sharing the Global Stage with a Mentor

An exciting surprise came on the very same day our preprint went live. The team of Professor Jamie Doudna Cate at UC Berkeley—who happens to be our PI's former postdoc mentor!—simultaneously posted their own elegant findings on a brand-new hibernation factor.

This coincidence of mentor and protégé sharing their work on the exact same day across the ocean highlights just how vibrant the field of ribosome hibernation is right now. Joining this friendly, cutting-edge academic dialogue with top-tier teams is perhaps one of the finest experiences in scientific research.

⭐️ Last but Not Least: The Team Behind the Scenes

A big shout-out to our incredible crew []~(￣▽￣)~* :

• Lingfan (our highly reliable senior), Keqin (famously known in the lab as Zero bar), and Fairy Shengjie contributed equally as co-first authors!

• Other dedicated teammates (Chuansen, Qinqin, Xingchen, and Huan) provided excellent support throughout the ARC project.

• Our solid foundation and collaboration came from Professor Jie Li's team at the Institute of Microbiology, CAS, and Professor Chaomin Sun's team at the Institute of Oceanology, CAS!

Kudos to all our wonderful collaborators who co-led and co-authored this paper—thank you for the strong team effort o(￣▽￣)o!

Paper Links:

https://www.biorxiv.org/content/10.64898/2026.01.19.700304v1

https://www.biorxiv.org/content/10.64898/2026.01.19.700200v1