Metabolic co-dependence drives the evolutionarily ancient Hydra-Chlorella symbiosis.

Hamada M, Schröder K, Bathia J, Kürn U, Fraune S, Khalturina M, Khalturin K, Shinzato C, Satoh N, Bosch TC. Metabolic co-dependence drives the evolutionarily ancient Hydra–Chlorella symbiosis. Elife. 2018 May 31;7:e35122. https://doi.org/10.7554/eLife.35122