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BacterioFiles

408: Currents Carry Cloud Creators

06 Jan 2020

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This episode: Ocean bacteria brought up from the sea floor into the air can help create clouds! Download Episode (6.1 MB, 8.9 minutes) Show notes: Microbe of the episode: Streptomyces thermodiastaticus News item Takeaways The ocean is an important player affecting the climate of the planet, in many ways. Its effects on clouds influence the amount of solar radiation reflected back into space or trapped as heat, and microbes play a role in this effect. Certain microbes make particles that form the nucleus of water droplets or ice crystals that make up clouds, and other microbes can perform this nucleation themselves. In this study, an unusual combination of a phytoplankton bloom and strong winds and currents, all in the right places, led to a large number of ice-nucleating bacteria being fed and then brought up from the sea floor and launched into the air, possibly affecting weather patterns in the Arctic. Journal Paper: Creamean JM, Cross JN, Pickart R, McRaven L, Lin P, Pacini A, Hanlon R, Schmale DG, Ceniceros J, Aydell T, Colombi N, Bolger E, DeMott PJ. 2019. Ice Nucleating Particles Carried From Below a Phytoplankton Bloom to the Arctic Atmosphere. Geophys Res Lett 46:8572–8581. Other interesting stories: Bacterial immune system (CRISPR/Cas) could save bananas from fungus that wipes them out Potentially useful antibiotic produced by gut microbe (paper)   Email questions or comments to bacteriofiles at gmail dot com. Thanks for listening! Subscribe: Apple Podcasts, Google Podcasts, Android, or RSS. Support the show at Patreon, or check out the show at Twitter or Facebook.

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