Global niche partitioning of purine and pyrimidine cross-feeding among ocean microbes
2025

Purine and Pyrimidine Exchange Among Ocean Microbes

publication 10 minutes Evidence: high

Author Information

Author(s): Braakman Rogier, Satinsky Brandon, O’Keefe Tyler J., Longnecker Krista, Hogle Shane L., Becker Jamie W., Li Robert C., Dooley Keven, Arellano Aldo, Kido Soule Melissa C., Kujawinski Elizabeth B., Chisholm Sallie W.

Primary Institution: Massachusetts Institute of Technology

Hypothesis

How do purine and pyrimidine cross-feeding networks function among ocean microbes?

Conclusion

The study reveals a complex network of purine and pyrimidine cross-feeding among ocean microbes, highlighting their roles in biogeochemical cycling.

Supporting Evidence

  • Prochlorococcus is a major source of organic carbon in ocean ecosystems.
  • Cross-feeding pathways are widespread among oceanic bacteria.
  • Different microbial groups specialize in using either purines or pyrimidines.

Takeaway

Ocean microbes share important nutrients with each other, helping them grow and thrive together. This study shows how they exchange building blocks for DNA.

Methodology

The study involved characterizing the production and consumption of purines and pyrimidines by Prochlorococcus and assessing their ecological roles.

Digital Object Identifier (DOI)

10.1126/sciadv.adp1949

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication