The Bacteria That Made Life Possible Is Now Killing Us

published 3 months ago by Neptune Studios

Aquatic cyanobacteria first oxygenated earth’s air, making human life possible; now, due to our actions, cyanobacteria are madly blooming once more, poisoning our coasts in the process   Thanks also to our Patreon patrons and our YouTube members.   ___________________________________________   To learn more, start your googling with these keywords:  Cyanobacteria: aquatic photosynthesizing bacteria often erroneously call blue-green algaeBlue-green algae: incorrect name often used for cyanobacteria because they are blue-green in appearance and can be confused with algae    Dead zone: coastal area where cyanobacteria blooms lead to anaerobic conditions, killing fish and other organismsMycrosystins: a class of toxic compounds released by certain cyanobacteria ___________________________________________ Subscribe to MinuteEarth on YouTube: Support us on Patreon: And visit our website:   Say hello on Facebook: And Twitter:   And download our videos on itunes:  ___________________________________________   Credits (and Twitter handles): Script Writer: Peter Reich Script Editor: David Goldenberg (@dgoldenberg) Video Illustrator: Sarah Berman (@sarahjberman) Video Director: David Goldenberg (@dgoldenberg) Video Narrator: Julián Gómez (@ittakesii) With Contributions From: Henry Reich, Alex Reich, Kate Yoshida, Ever Salazar, Julián Gómez, Arcadi Garcia Rius  Music by: Nathaniel Schroeder: ___________________________________________   References:   Bargu S et al.  Mississippi River diversions and phytoplankton dynamics in deltaic Gulf of Mexico estuaries: A review. Estuarine, Coastal and Shelf Science 221:39-52 (2019). Berman-Frank I, Lundgren P, Falkowski P. Nitrogen fixation and photosynthetic oxygen evolution in cyanobacteria. Research in Microbiology 154, 157–164 (2003)Carey CC et al. Eco-physiological adaptations that favour freshwater cyanobacteria in a changing climate. Water Research  46, 1394-1407 (2012)Garcia AK et al.  Reconstructed ancestral enzymes suggest long-term cooling of Earth’s photic zone since the Archean. Proc Natl Acad Sci 114:4619-4624 (2017)Glass JB, Wolfe-Simon F, Anbar AD.  Coevolution of metal availability and nitrogen assimilation in cyanobacteria and algae. Geobiology 7, 100-123 (2009).Lyons TW, CT Reinhard, NJ Planavsky. The rise of oxygen in Earth’s early ocean and atmosphere Nature 506, 307–315 (2014). Planavsky NJ et al.  The evolution of the marine phosphate reservoir. Nature 467, 1088-1090 (2010)Soo RM et al. On the origins of oxygenic photosynthesis and aerobic respiration in Cyanobacteria. Science 355, 1436–1440 (2017) Tromas N et al. Characterising and predicting cyanobacterial blooms in an 8-year amplicon sequencing time course. ISME J 11:1746-1763 (2017)

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