In this partnership between fungus and algae, the algae eventually take up residence inside their partner!
Microbe of the episode
Microbe of the episode: Erwinia tracheiphila
In this study, a fungus and an alga grow well together, exchanging carbon for nitrogen, similar to how lichens operate. But after a month or so of co-culture, the algae apparently enter the cells of the fungus somehow and live inside it, happily growing and dividing, turning the fungus green.
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