Thanks for the great collaboration with Prof. Hiro Ogata and Dr. Hisashi Endo at the Institute of Chemical Research of @kyotouniversity.bsky.social; Prof. @joshuasweitz.bsky.social at the @umaryland.edu; and our funders, The @simonsfoundation.org and the ICM at Kyoto University 🙏

We integrated mathematical modelling with in situ metagenomics using the TARA Oceans and TARA Arctic datasets, and we recapitulated virus presence and absence in the ocean through a model describing temperature-driven cell-based interactions between viruses and phytoplankton.

Japan w/ Hisashi Endo and Hiroyuki Ogata at ICR Kyoto Univ, USA w/ @joshuasweitz.bsky.social at Univ. of Maryland and France w/ @cnrsbiologie.bsky.social, @sorbonne-universite.fr, @sbroscoff.bsky.social, LBBM at OOB Banyuls and Tara Oceans Foundation.

Our results highlight that temperature-driven cellular mechanisms can drive the community dynamics and biogeography of marine viruses.

This multidisciplinary study has been possible through great collaborations involving 3 continents: (5/6)

We used a mathematical model describing the temperature-driven virus-host dynamics to predict MpV-s distribution. We found that viral abilities to lyse and infect were good predictors of MpV-s presence and absence. (4/6)

By reconstructing virus phylogeny, we found that MpV-s were clustered into cryophile groups, growing mainly at low temperature below 10°C, or cryo-mesophile groups, growing from cold to more than 20°C. (3/6)

We focused on prasnoviurses infecting Micromonas (MpV), a picoeukaryote genus distributed from poles to tropics. We explored the distribution of isolated MpV-s in Tara datasets and highlighted that temperature is the main descriptor of their community composition. (2/6)