<< bacteria that live on single-cellular algae can cause programmed cell death. "It is the first documentation of true apoptosis via bacterial pathogens in microorganisms like algae," >> Rebecca Case.
Study shows first evidence bacterial-induced apoptosis in algae. University of Alberta. Mar 21, 2019.
https://m.phys.org/news/2019-03-evidence-bacterial-induced-apoptosis-algae.html
Anna R. Bramucci, Rebecca J. Case.
Phaeobacter inhibens induces apoptosis-like programmed cell death in calcifying Emiliania huxleyi. Scientific Reports. Volume 9, Article number: 5215 (2019) March 21.