David M. Needham, Susumu Yoshizawa et al.: A distinct lineage of giant viruses brings a rhodopsin photosystem to unicellular marine predators. In: Proceedings of the National Academy of Sciences. Band116, Nr.41, 23. September 2019, S.20574–20583, doi:10.1073/pnas.1907517116, PMC 6789865 (freier Volltext).
↑Farooq Azam, Alexandra Z. Worden: Microbes, Molecules, and Marine Ecosystems. In: Science. Band303, Nr.5664, 12. März 2004, S.1622–1624, doi:10.1126/science.1093892.