Streptococcus pneumoniae

Streptococcus pneumoniae
Credit: CDC/M.S. Mitchell

This episode: Polymer-coated bacteria make really good vaccines!

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Show notes:
News item

Journal Paper:
Li Y, Beitelshees M, Fang L, Hill A, Ahmadi MK, Chen M, Davidson BA, Knight P, Smith RJ, Andreadis ST, Hakansson AP, Jones CH, Pfeifer BA. 2016. In situ pneumococcal vaccine production and delivery through a hybrid biological-biomaterial vector. Sci Adv 2:e1600264.

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This episode: Bacteria in mosquito cells can block transmission of Zika virus!

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Show notes:
News item

Journal Paper:
Aliota MT, Peinado SA, Velez ID, Osorio JE. 2016. The wMel strain of Wolbachia Reduces Transmission of Zika virus by Aedes aegypti. Sci Rep 6:28792.

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Red snow By Will Beback, CC BY-SA 3.0

Red snow
By Will Beback, CC BY-SA 3.0

This episode: Algae growing in Arctic snow make red pigments that heat up their surroundings!

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Show notes:

News item

Journal Paper:
Lutz S, Anesio AM, Raiswell R, Edwards A, Newton RJ, Gill F, Benning LG. 2016. The biogeography of red snow microbiomes and their role in melting arctic glaciers. Nat Commun 7:11968.

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This episode: Modifying mice’s microbial communities increased mouse survival before a transplantation was rejected by their immune system!

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Show notes:

News item

Journal Paper:
Lei YM, Chen L, Wang Y, Stefka AT, Molinero LL, Theriault B, Aquino-Michaels K, Sivan AS, Nagler CR, Gajewski TF, Chong AS, Bartman C, Alegre M-L. 2016. The composition of the microbiota modulates allograft rejection. J Clin Invest 126:2736–2744.

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Nostoc commune

Nostoc
By YAMAMAYA, CC BY-SA 3.0

This episode: Viruses infecting photosynthetic bacteria could transfer immunity to other viruses between their hosts!

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Show notes:

News item

Journal Paper:
Chénard C, Wirth JF, Suttle CA. 2016. Viruses Infecting a Freshwater Filamentous Cyanobacterium (Nostoc sp.) Encode a Functional CRISPR Array and a Proteobacterial DNA Polymerase B. mBio 7:e00667-16.

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bf282maze

Elevated plus-maze
By Bd008 – Own work
CC BY-SA 3.0

This episode: Vaccinating mice with heat-killed soil bacteria reduced their stressed behavior and inflammation!

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Show notes:

Journal Paper:
Reber SO, Siebler PH, Donner NC, Morton JT, Smith DG, Kopelman JM, Lowe KR, Wheeler KJ, Fox JH, Hassell JE, Greenwood BN, Jansch C, Lechner A, Schmidt D, Uschold-Schmidt N, Füchsl AM, Langgartner D, Walker FR, Hale MW, Perez GL, Treuren WV, González A, Halweg-Edwards AL, Fleshner M, Raison CL, Rook GA, Peddada SD, Knight R, Lowry CA. 2016. Immunization with a heat-killed preparation of the environmental bacterium Mycobacterium vaccae promotes stress resilience in mice. Proc Natl Acad Sci 113:E3130–E3139.

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Azotobacter vinelandii

Azotobacter vinelandii

This episode: Microbes with complementary abilities help each other grow and produce useful stuff from the air!

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Show notes:

Journal Paper:
Smith MJ, Francis MB. 2016. A designed A. vinelandiiS. elongatuscoculture for chemical photoproduction from air, water, phosphate and trace metals. ACS Synth Biol 5:955–961.

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This episode: Microbes in tight spaces grow so much they can build up pressure and burst out!

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Show notes:
News item

Video: cells expanding walls of chamber
Video: cells squished together
Video: cells bursting out of chamber

Journal Paper:
Delarue M, Hartung J, Schreck C, Gniewek P, Hu L, Herminghaus S, Hallatschek O. 2016. Self-driven jamming in growing microbial populations. Nat Phys 12:762–766.

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Spore-forming fungus

Spore-forming fungus

This episode: Fungi control their cell’s growth and division with a protein from a virus, unlike all other kinds of eukaryote!

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Show notes:
News item

Journal Paper:
Medina EM, Turner JJ, Gordân R, Skotheim JM, Buchler NE. 2016. Punctuated evolution and transitional hybrid network in an ancestral cell cycle of fungi. eLife 5:e09492.

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Colleto

Colletotrichum disease on bean pods By David B.Langston

This episode: Some fungi change from making plants sick to being helpful to plants! How do plants react to them?

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Show notes:
News item

Journal Paper:
Hacquard S, Kracher B, Hiruma K, Münch PC, Garrido-Oter R, Thon MR, Weimann A, Damm U, Dallery J-F, Hainaut M, Henrissat B, Lespinet O, Sacristán S, Themaat EVL van, Kemen E, McHardy AC, Schulze-Lefert P, O’Connell RJ. 2016. Survival trade-offs in plant roots during colonization by closely related beneficial and pathogenic fungi. Nat Commun 7:11362.

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