{"page":"<link rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" />\n<link rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" />\n<div data-title='The Bacteria That Made Life Possible Are Now Killing Us' data-url='/boclips/videos/625f5d4f62b39c0f0b0e6902' data-video-url='/boclips/videos/625f5d4f62b39c0f0b0e6902' id='bo_player_modal'>\n<div class='boclips-resource-page modal-dialog panel-container'>\n<div class='react-notifications-root'></div>\n<div class='rp-header'>\n<div class='rp-type'>\n<i aria-hidden='true' class='fai fa-regular fa-circle-play'></i>\nVideo\n</div>\n<h1 class='rp-title' id='video-title'>\nThe Bacteria That Made Life Possible Are Now Killing Us\n</h1>\n<div class='rp-actions'>\n<div class='mr-1'>\n<a class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"><span><span>Get Free Access</span><span class=\"\"> for 10 Days</span><span>!</span></span></a>\n</div>\n</div>\n</div>\n<div class='rp-body'>\n<div class='rp-info'>\n<div aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'>&times;</div>\n<i aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'></i>\n<i aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'></i>\n<div class='rp-rating'>\n<span class='resource-pool'>\n<span class='pool-label'>Publisher:</span>\n<span class='pool-name'>\n<span class='text'><a data-publisher-id=\"30358007\" href=\"/search?publisher_ids%5B%5D=30358007\">MinuteEarth</a></span>\n</span>\n</span>\n</div>\n<div class='rp-description'>\n<span class='short-description'>Thanks to the St. Croix Watershed Research Station for sponsoring this video! To learn more about their work, visit Aquatic cyanobacteria first oxygenated earth’s air, making human life possible; now, due to our actions, cyanobacteria...</span>\n<span class='full-description hide'>Thanks to the St. Croix Watershed Research Station for sponsoring this video! To learn more about their work, <a href='https://www.smm.org/scwrs/.' target='_blank' rel='nofollow'>visit</a> 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 <a href='https://www.patreon.com/MinuteEarth' target='_blank' rel='nofollow'>patrons</a> and our YouTube members. ___________________________________________ To learn more, start your googling with these keywords: Cyanobacteria: aquatic photosynthesizing bacteria often erroneously call blue-green algae Blue-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 organisms Mycrosystins: a class of toxic compounds released by certain cyanobacteria ___________________________________________ Subscribe to MinuteEarth on <a href='http://goo.gl/EpIDGd' target='_blank' rel='nofollow'>YouTube</a> Support us on <a href='https://goo.gl/ZVgLQZ' target='_blank' rel='nofollow'>Patreon</a> And visit our <a href='https://www.minuteearth.com/' target='_blank' rel='nofollow'>website</a> Say hello on <a href='http://goo.gl/FpAvo6' target='_blank' rel='nofollow'>Facebook</a> And <a href='http://goo.gl/Y1aWVC' target='_blank' rel='nofollow'>Twitter</a> And download our videos on <a href='https://goo.gl/sfwS6n' target='_blank' rel='nofollow'>itunes</a> ___________________________________________ 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 (@thejuliangomez) With Contributions From: Henry Reich, Alex Reich, Kate Yoshida, Ever Salazar, Julián Gómez, Arcadi Garcia Rius Music by: Nathaniel <a href='http://www.soundcloud.com/drschroeder' target='_blank' rel='nofollow'>Schroeder</a> ___________________________________________ 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. 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