Synechocystis

Synechocystis cells
under electron microscope
By flickr user BASF
CC BY-NC-ND 2.0

This episode: Spherical cyanobacterium Synechocystisacts like a tiny eyeball in sensing light, allowing cells to move closer to light sources!

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Show notes:
News item

Video 1Synechocystis cells moving toward light sources
Video 2Synechocystis cells avoiding point of bright light on surface

Journal Paper:
Schuergers N, Lenn T, Kampmann R, Meissner MV, Esteves T, Temerinac-Ott M, Korvink JG, Lowe AR, Mullineaux CW, Wilde A. 2016. Cyanobacteria use micro-optics to sense light direction. eLife 5:e12620.

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biocrusts

Biocrusts in Moab, Utah
Credit: Estelle Couradeau

This episode: Cyanobacteria in biocrusts produce pigments that heat their surroundings up to 10 degrees hotter!

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Show notes:
News item

Journal Paper:
Couradeau E, Karaoz U, Lim HC, Nunes da Rocha U, Northen T, Brodie E, Garcia-Pichel F. 2016. Bacteria increase arid-land soil surface temperature through the production of sunscreens. Nat Commun 7:10373.

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Moorella thermoacetica

Cells of Moorella thermoacetica
forming spores in culture

This episode: Adding exotic elements to convert spore-forming bacteria into light-capturing cyborgs that convert carbon dioxide into useful chemicals!

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Show notes:

Show notes:
News item 1/News item 2

Journal Paper:
Sakimoto KK, Wong AB, Yang P. 2016. Self-photosensitization of nonphotosynthetic bacteria for solar-to-chemical production. Science 351:74–77.

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bdellovibrio

Bdellovibrio bacteriovorus attacking prey bacterium

This episode: Predatory bacteria have a particular protein that protects them from their own prey-damaging enzymes!

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Show notes:

News item

Journal Paper:
Lambert C, Cadby IT, Till R, Bui NK, Lerner TR, Hughes WS, Lee DJ, Alderwick LJ, Vollmer W, Sockett RE, Lovering AL. 2015. Ankyrin-mediated self-protection during cell invasion by the bacterial predator Bdellovibrio bacteriovorus. Nat Commun 6:8884.

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This episode: Proteins from gut bacteria seems to affect hunger and satiety in their (rodent) hosts!

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Show notes:

News item 1/News item 2

Journal Paper:
Breton J, Tennoune N, Lucas N, Francois M, Legrand R, Jacquemot J, Goichon A, Guérin C, Peltier J, Pestel-Caron M, Chan P, Vaudry D, do Rego J-C, Liénard F, Pénicaud L, Fioramonti X, Ebenezer IS, Hökfelt T, Déchelotte P, Fetissov SO. 2016. Gut Commensal E. coliProteins Activate Host Satiety Pathways following Nutrient-Induced Bacterial Growth. Cell Metab 23:324–334.

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This episode: Microscopic parasites of fish and worms actually came from jellyfish-like animals, after losing most of their genome!

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Show notes:

News item

Journal Paper:
Chang ES, Neuhof M, Rubinstein ND, Diamant A, Philippe H, Huchon D, Cartwright P. 2015. Genomic insights into the evolutionary origin of Myxozoa within Cnidaria. Proc Natl Acad Sci 112:14912–14917.

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This episode: Clostridium bacteria that infect potatoes can both kill competitors and tolerate oxygen, thanks to the pink compounds they produce!

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Show notes:
Journal Paper:
Shabuer G, Ishida K, Pidot SJ, Roth M, Dahse H-M, Hertweck C. 2015. Plant pathogenic anaerobic bacteria use aromatic polyketides to access aerobic territory. Science 350:670–674.
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monarchs

© IRBI-CNRS, Corentin Drezen

This episode: Viruses domesticated by parasitoid wasps have transferred wasp genes to caterpillar victims, allowing them to survive deadly infections from other viruses! This means that Monarch butterflies are effectively naturally Genetically Modified Organisms (GMOs).

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Journal Paper:
Gasmi L, Boulain H, Gauthier J, Hua-Van A, Musset K, Jakubowska AK, Aury J-M, Volkoff A-N, Huguet E, Herrero S, Drezen J-M. 2015. Recurrent Domestication by Lepidoptera of Genes from Their Parasites Mediated by Bracoviruses. PLOS Genet 11:e1005470.

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Post questions or comments here or email to bacteriofiles@gmail.com. Thanks for listening!

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