Monday, September 18, 2017

BacterioFiles 310 - Prodigious Particles Produce Proteins

Megavirus
By Chantal Abergel, CC BY-SA 3.0
This episode: Newly discovered giant viruses almost build their own replication machinery instead of using their host's!

Download Episode (11.2 MB, 12.3 minutes)

Show notes:
Microbe of the episode: Terasakiella pusilla

News item

Journal Paper:
Schulz F, Yutin N, Ivanova NN, Ortega DR, Lee TK, Vierheilig J, Daims H, Horn M, Wagner M, Jensen GJ, Kyrpides NC, Koonin EV, Woyke T. 2017. Giant viruses with an expanded complement of translation system components. Science 356:82–85.

Other interesting stories:
  • Using insect bacteria to control devastating citrus disease
  • Microbes give meerkat gangs their signature scents
  • Bacteria use a special trick with their flagella to get unstuck (paper)
  • Fecal transplant microbes can stick around for years after treatment
  • Probiotics could help protect honeybees from pesticides

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

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    Episode outline:

    Monday, September 11, 2017

    Hurricane Preparedness

    No episode this week. Busy preparing for the edge of Hurricane Irma. To all my listeners in a hurricane's path, stay safe!

    Monday, September 4, 2017

    BacterioFiles 309 - Fungus Foils Phytophagy

    Leafcutting ants
    By Bandwagonman,
    CC BY-SA 3.0
    This episode: Fungi living in plants could protect them from ants that cut up their leaves to feed their own fungal gardens!

    Download Episode (7.5 MB, 8.2 minutes)

    Show notes:
    Microbe of the episode: Escherichia virus RB3

    Journal Paper:
    Rocha SL, Evans HC, Jorge VL, Cardoso LAO, Pereira FST, Rocha FB, Barreto RW, Hart AG, Elliot SL. 2017. Recognition of endophytic Trichoderma species by leaf-cutting ants and their potential in a Trojan-horse management strategy. R Soc Open Sci 4:160628.

    Other interesting stories:
  • What kinds of bacteria live on cats' skin (paper)
  • Microbes could help reduce levels of most toxic mercury form
  • Plant bacteria can protect plants against cadmium toxicity (paper)
  • Rotifer transposons can protect them against aging
  • Bacteria help protect against Listeria infection

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    Monday, August 28, 2017

    BacterioFiles 308 - Predators' Projectile Prototypes

    Nematodinium nematocyst cap
    Gavelis et al. 2017
    Science Advances
    CC BY-NC 4.0
    This episode: Eukaryotic ocean microbes have surprisingly diverse and complex ballistic weapons!

    Download Episode (8.2 MB, 9 minutes)

    Show notes:
    Microbe of the episode: Mycoplasma arginini

    Cool videos of microbial weapons firing

    Journal Paper:
    Gavelis GS, Wakeman KC, Tillmann U, Ripken C, Mitarai S, Herranz M, Özbek S, Holstein T, Keeling PJ, Leander BS. 2017. Microbial arms race: Ballistic “nematocysts” in dinoflagellates represent a new extreme in organelle complexity. Sci Adv 3:e1602552.

    Other interesting stories:
  • Astronaut Kate Rubin's experience as microbiologist in space (paywall)
  • Engineered nitrogen-fixing bacteria can reduce need for fertilizer (paper)
  • Diversity of bacterial communities on leaves linked with ecosystem productivity (paper)
  • Using parts of phages to do rapid detection of pathogens (paper)
  • Microbiome modification contributes to effect of diabetes medication

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    Monday, August 21, 2017

    BacterioFiles 307 - Simplified Stable Soil Symbiosis

    Enterobacter cloacae
    This episode: A stable community of only 7 bacteria around corn roots take on similar functions to the much more diverse soil community!

    Download Episode (12.5 MB, 13.75 minutes)

    Show notes:
    Microbe of the episode: Corynebacterium insidiosum

    Journal Paper:
    Niu B, Paulson JN, Zheng X, Kolter R. 2017. Simplified and representative bacterial community of maize roots. Proc Natl Acad Sci 114:E2450–E2459.

    Other interesting stories:
  • Gut community correlates with inflammatory bowel disease treatment effectiveness
  • Bacteria-produced hydrogen in soil could feed other plant-benefiting microbes (paper)
  • Engineered bacteria could treat genetic disease by digesting things for people who can't (paper)
  • Engineered cancer-killing virus also delivers therapy directly to tumors (paper)
  • Using microbes to create clothing that adapts in color and ventilation (paper)

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    Monday, August 14, 2017

    BacterioFiles 306 - Microbes Moderate Metabolic Maladjustment

    This episode: Microbes from obese mice seemed helpful in protecting other mice somewhat from an unhealthy lifestyle.

    Download Episode (8.5 MB, 9.25 minutes)

    Show notes:
    Microbe of the episode: Streptomyces thermoviolaceus

    News item

    Journal Paper:
    Nicolas S, Blasco‐Baque V, Fournel A, Gilleron J, Klopp P, Waget A, Ceppo F, Marlin A, Padmanabhan R, Iacovoni JS, Tercé F, Cani PD, Tanti J-F, Burcelin R, Knauf C, Cormont M, Serino M. 2017. Transfer of dysbiotic gut microbiota has beneficial effects on host liver metabolism. Mol Syst Biol 13:921.

    Other interesting stories:
  • Global warming could harm reptiles by disrupting their gut bacteria
  • Insect microbes that start causing disease but then stop when their numbers get higher
  • Microbes in sea spray affect the atmosphere and climate
  • How breastmilk bacteria affect infant's gut community
  • Sea sponge bacteria can produce toxic flame retardant chemicals

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    Monday, August 7, 2017

    BacterioFiles 305 - Defensive Disordered Desiccation

    Tardigrade
    Credit: Bob Goldstein
    and Vicky Madden,
    CC BY-SA 3.0
    This episode: Tardigrades have an interesting way of surviving complete drying out: by producing proteins lacking a stable structure!

    Download Episode (11.8 MB, 13 minutes)

    Show notes:
    Microbe of the episode: Chandipura vesiculovirus

    News item

    Journal Paper:
    Boothby TC, Tapia H, Brozena AH, Piszkiewicz S, Smith AE, Giovannini I, Rebecchi L, Pielak GJ, Koshland D, Goldstein B. 2017. Tardigrades Use Intrinsically Disordered Proteins to Survive Desiccation. Mol Cell 65:975–984.e5.

    Other interesting stories:
  • Gut microbes are important for many bee bodily functions (paper)
  • Bacterium helps defend insects but makes plants sick
  • Bacteria can mutate faster or slower to adapt to their environment
  • Cyanobacteria respond to different colors of light in different ways (paper)(commentary)
  • Intense prolonged exercise could negatively impact the gut community

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    Monday, July 31, 2017

    BacterioFiles 304 - Phages Facilitate Photosynthesis

    Prochlorococcus marinus
    This episode: Viruses infecting cyanobacteria can produce proteins that actually help their host capture light better!

    Download Episode (6.6 MB, 7.25 minutes)

    Show notes:
    Microbe of the episode: Pseudomonas asplenii

    News item

    Journal Paper:
    Gasper R, Schwach J, Hartmann J, Holtkamp A, Wiethaus J, Riedel N, Hofmann E, Frankenberg-Dinkel N. 2017. Distinct Features of Cyanophage-encoded T-type Phycobiliprotein Lyase ΦCpeT: The Role of Auxiliary Metabolic Genes. J Biol Chem 292:3089–3098.

    Other interesting stories:
  • Many new antibiotics could be discovered in fungi
  • Finding bacteria to degrade triclosan in the environment
  • Microbes could affect gut chemotherapy treatment
  • Carbon nanotubes help bacteria produce more methane (paper)
  • Fecal transplant could be helpful for treating ulcerative colitis also

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    Monday, July 24, 2017

    BacterioFiles 303 - Sticky Skin Sows Cells

    Caenorhabditis elegans
    By Bob Goldstein, CC BY-SA 3.0
    This episode: Roundworms in soil can carry with them bacteria they eat to grow new food, like farmers!

    Download Episode (11.1 MB, 12.15 minutes)

    Show notes:
    Microbe of the episode: Equid alphaherpesvirus 1

    News item

    Journal Paper:
    Thutupalli S, Uppaluri S, Constable GWA, Levin SA, Stone HA, Tarnita CE, Brangwynne CP. 2017. Farming and public goods production in Caenorhabditis elegans populations. Proc Natl Acad Sci 114:2289–2294.

    Other interesting stories:
  • Using modified CRISPR for quick detection of infections
  • Modifying cyanobacterium cell length to make extracting biofuels easier (paper)
  • Fusing phage proteins with antibodies to better target pathogens
  • Some amoebas can penetrate biofilms to feed on dangerous bacteria (paper)
  • Phages have some advantages over antibiotics

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    Monday, July 17, 2017

    BacterioFiles 302 - Message Moderates Microbe Mortality

    Bacillus subtilis
    By Y tambe, CCBY-SA 3.0
    This episode: Even organisms as simple as viruses can communicate with each other!

    Download Episode (12.7 MB, 13.9 minutes)

    Show notes:
    Microbe of the episode: Sweet potato virus C

    Commentary (paywall)
    Great talk about bacterial communication by Dr. Bonnie Bassler

    Journal Paper:
    Erez Z, Steinberger-Levy I, Shamir M, Doron S, Stokar-Avihail A, Peleg Y, Melamed S, Leavitt A, Savidor A, Albeck S, Amitai G, Sorek R. 2017. Communication between viruses guides lysis–lysogeny decisions. Nature 541:488–493.

    Other interesting stories:
  • Engineering gut bacteria to detect and report gut inflammation
  • Plants give fat to their root fungi in exchange for other nutrients
  • Gut microbe metabolite linked with lower risk of diabetes
  • Making bioelectrodes by embedding bacteria in glass (paper)
  • Using CRISPR to discover new drug-producing bacterial genes

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    Monday, July 10, 2017

    BacterioFiles 301 - Cells Simulate City Structures

    This episode: Ancient microbes built underwater structures that look like sunken, ancient cities!

    Download Episode (10.6 MB, 11.7 minutes)

    Show notes:
    Microbe of the episode: Actinomadura luteofluorescens

    News item 1/News item 2

    Journal Paper:
    Andrews JE, Stamatakis MG, Marca-Bell A, Stewart C, Millar IL. 2016. Exhumed hydrocarbon-seep authigenic carbonates from Zakynthos Island (Greece): Concretions not archaeological remains. Marine and Petroleum Geology 76:16–25.

    Other interesting stories:
  • Insecticide-resistant insects have insecticide-degrading gut bacteria (paper)
  • Microbe spores that can survive in space
  • Fungus-gardening ants are choosy about how much CO2 they want in their gardens (paper)
  • Biochar helps microbes transfer electrons around in soil
  • Exposure of infants to furry pets affects microbiota

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    Monday, July 3, 2017

    BacterioFiles 300 - Hyphae Help Horizontal (Gene Transfer)

    Oyster mushroom mycelium
    By Tobi Kellner, CC BY-SA 3.0
    This episode: Filament-forming organisms help bacteria swim through soil and exchange genes with each other! Also, new feature: microbe of the episode!

    Download Episode (13.2 MB, 14.4 minutes)

    Show notes:
    Microbe of the episode: Azotobacter vinelandii

    News item

    Video of bacteria swimming along mycelium:


    Full statement from Tom Berthold

    Journal Paper:
    Berthold T, Centler F, Hübschmann T, Remer R, Thullner M, Harms H, Wick LY. 2016. Mycelia as a focal point for horizontal gene transfer among soil bacteria. Sci Rep 6:36390.

    Other interesting stories:
  • Bacterial DNA reduces mouse airway allergies
  • Changes in microbiomes of people in 500-day space simulation (paper)
  • Using advanced electron microscopy to visualize giant virus
  • Bacterial predators find prey by both being trapped by their own whirlpools
  • Many unusual viruses are moving around in the fluids of the rocky ocean floor

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    Monday, June 26, 2017

    BacterioFiles 299 - Predator Pops Polymer Producers

    Bdellovibrio attacking prey
    Iebba et al., Front Microbiol 2014
    This episode: Using predatory bacteria to extract valuable bioplastics from other bacteria!

    Download Episode (6.3 MB, 6.9 minutes)

    Show notes:
    News item

    Journal Paper:
    Martínez V, Herencias C, Jurkevitch E, Prieto MA. 2016. Engineering a predatory bacterium as a proficient killer agent for intracellular bio-products recovery: The case of the polyhydroxyalkanoates. Sci Rep 6:24381.

    Other interesting stories:
  • Phages could treat infections serious in cystic fibrosis
  • Microbes help protect plants against virus infection (paper)
  • Getting closer to fecal transplant in pill form
  • Microbe communities in overused land recover as vegetation is restored
  • Deep sea phage makes a DNA polymerase that doesn't need primers (paper)

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

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    Monday, June 19, 2017

    BacterioFiles 298 - Bacteria Boost Bone Buildup

    Human skeleton
    This episode: Gut microbes can even affect formation/remodeling of bones!

    Download Episode (8.5 MB, 9.3 minutes)

    Show notes:
    Journal Paper:
    Yan J, Herzog JW, Tsang K, Brennan CA, Bower MA, Garrett WS, Sartor BR, Aliprantis AO, Charles JF. 2016. Gut microbiota induce IGF-1 and promote bone formation and growth. Proc Natl Acad Sci 113:E7554–E7563.

    Other interesting stories:
  • Raindrops can spread soil bacteria around everywhere
  • Lots to learn from studying sauerkraut (paywall)
  • Only some bacteria in a colony do all the expanding and multiplying (paper)
  • Phage genes help Wolbachia prevent host insects from interbreeding with uninfected hosts (paper)
  • Probiotic bacteria could help prevent damage from heavy metals (paper)

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

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    Monday, June 12, 2017

    BacterioFiles 297 - Defenders Develop Disease Decrease

    C. elegans roundworm
    By Bob Goldstein, CC BY-SA 3.0
    This episode: Beneficial microbes defend roundworms against a pathogen and pressure it to evolve to cause less disease!

    Download Episode (7.7 MB, 8.4 minutes)

    Show notes:
    News item

    Journal Paper:
    Ford SA, Kao D, Williams D, King KC. 2016. Microbe-mediated host defence drives the evolution of reduced pathogen virulence. Nat Commun 7:13430.

    Other interesting stories:
  • Fungus eats dead insects and keeps bacterial competitors away (paper)
  • Soil microbes are better for green roof soils than chemical fertilizers
  • Soil microbes make tuberculosis-treating chemicals
  • Parkinson's and treatments can have detectable effects on microbiome
  • Aspergillus fungi have a lot of potential uses

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    Monday, June 5, 2017

    BacterioFiles 296 - Predator Permits Pathogen Penetration

    Cyclopoid copepod
    This episode: Tiny crustaceans eat paramecia, allowing viruses to infect algae inside them!

    Download Episode (9.1 MB, 9.9 minutes)

    Show notes:
    Follow-up to episode 259: mass-producing worm spit healing protein

    News item

    Journal Paper:
    DeLong JP, Al-Ameeli Z, Duncan G, Etten JLV, Dunigan DD. 2016. Predators catalyze an increase in chloroviruses by foraging on the symbiotic hosts of zoochlorellae. Proc Natl Acad Sci 113:13780–13784.

    Other interesting stories:
  • Microbes are important for protecting bees
  • Ant bacteria produce potential new antibiotics
  • Old microbes discovered living in mine crystals
  • Skin bacteria could protect against pathogens
  • Author is writing poems in a bacterial genome so they survive the apocalypse (paywall)

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    Monday, May 29, 2017

    BacterioFiles 295 - Fly Ferries Fungus Feebleness

    Lycoriella fly
    By Kai Heller, CC BY 3.0
    This episode: Fungus-eating flies transfer viruses that help make fungi less harmful to plants!

    Download Episode (7.8 MB, 8.5 minutes)

    Show notes:
    Another example of viruses doing weird things in this fungus

    Journal Paper:
    Liu S, Xie J, Cheng J, Li B, Chen T, Fu Y, Li G, Wang M, Jin H, Wan H, Jiang D. 2016. Fungal DNA virus infects a mycophagous insect and utilizes it as a transmission vector. Proc Natl Acad Sci 113:12803–12808.

    Other interesting stories:
  • Iron-containing molecules can help various bacteria generate electricity
  • Exercise lifestyle can affect gut community (paper)
  • New discovery of plastic-degrading microbe enzymes
  • Controlling bacterial metabolism dynamically
  • Bacteria in bats could be good at fighting fungal pathogens (paper)

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    Monday, May 22, 2017

    BacterioFiles 294 - Bacteria Benefit Bad Burns

    Lactobacillus plantarum colonies
    Donald Breakwell et al. 2007. 
    This episode: Probiotic bacteria prevent deadly infections in mice with serious burns!

    Download Episode (6.3 MB, 6.92 minutes)

    Show notes:
    Journal Paper:
    Argenta A, Satish L, Gallo P, Liu F, Kathju S. 2016. Local Application of Probiotic Bacteria Prophylaxes against Sepsis and Death Resulting from Burn Wound Infection. PLOS ONE 11:e0165294.

    Other interesting stories:
  • Bacteria can help cotton plants tolerate salt (paper)
  • Fiber stops microbes from eating protective gut mucus
  • Potential new antibiotics predicted and discovered in human microbes
  • Bacteria communicate to work together against viruses
  • Root bacteria help protect plants against arsenic and infections

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

    Subscribe: iTunes, RSS, Google Play. Support the show at Patreon, or check out the show at Twitter or Facebook.

    Monday, May 15, 2017

    BacterioFiles 293 - Millet Microbe Makes Meshes

    Finger millet
    This episode: Bacteria in finger millet roots create special killing traps for damaging fungi!

    Download Episode (7.5 MB, 8.25 minutes)

    Show notes:
    News item

    Journal Paper:
    Mousa WK, Shearer C, Limay-Rios V, Ettinger CL, Eisen JA, Raizada MN. 2016. Root-hair endophyte stacking in finger millet creates a physicochemical barrier to trap the fungal pathogen Fusarium graminearum. Nat Microbiol 1:16167.

    Other interesting stories:
  • Animal study of phage cocktail to treat cholera
  • Soil microbes could help clean up arsenic contamination (paper)
  • Bacteria with nucleus-like structure even have nuclear pore-like structures
  • Using bacteria to find best enzymes for degrading lignin (paper)
  • Making microbial fuel cells with paper

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

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    Monday, May 8, 2017

    BacterioFiles 292 - Testing Tardigrade Tolerance Tricks

    Tardigrade
    By Bob Goldstein and Vicky Madden
    CC BY-SA 3.0
    This episode: Tiny super-resistant animals, tardigrades, make proteins that can directly shield DNA from radiation!

    Download Episode (7.3 MB, 8 minutes)

    Show notes:
    News item 1/News item 2

    Journal Paper:
    Hashimoto T, Horikawa DD, Saito Y, Kuwahara H, Kozuka-Hata H, Shin-I T, Minakuchi Y, Ohishi K, Motoyama A, Aizu T, Enomoto A, Kondo K, Tanaka S, Hara Y, Koshikawa S, Sagara H, Miura T, Yokobori S, Miyagawa K, Suzuki Y, Kubo T, Oyama M, Kohara Y, Fujiyama A, Arakawa K, Katayama T, Toyoda A, Kunieda T. 2016. Extremotolerant tardigrade genome and improved radiotolerance of human cultured cells by tardigrade-unique protein. Nat Commun 7:12808.

    Other interesting stories:
  • New sunscreen compounds could come from bacteria
  • Bacterial fingerprints don't last forever (paper)
  • Virus infecting bacteria makes structure like a nucleus (paper)
  • Microbes could produce useful, biological nanowires
  • Finding viruses to control fungal pathogens of plants

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    Monday, May 1, 2017

    Monday, April 24, 2017

    BacterioFiles 290 - Lichens' Little Lodgers

    Lichens on rock near Las Vegas, NV
    I'm back! This episode: Lichens, long known to be a partnership between fungi and algae, now discovered to have an important third member!

    Download Episode (8.1 MB, 8.9 minutes)

    Show notes:
    News item

    Journal Paper:
    Spribille T, Tuovinen V, Resl P, Vanderpool D, Wolinski H, Aime MC, Schneider K, Stabentheiner E, Toome-Heller M, Thor G, Mayrhofer H, Johannesson H, McCutcheon JP. 2016. Basidiomycete yeasts in the cortex of ascomycete macrolichens. Science 353:488–492.

    Other interesting stories:
  • Some protists like to eat archaea (paper)
  • Bee bacteria can break down harmful sugars in bee food (paper)
  • Testing how best to use mosquito bacteria to block virus transmission (paper)
  • Studying Inuit gut microbes
  • Temperature affects Wolbachia health in mosquitoes (paper)

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    Wednesday, March 15, 2017

    Short Break

    I'm putting the show on pause again for a short while, because I'm too busy with other things for the moment. But it'll be back soon with more exciting stories!

    Monday, March 13, 2017

    BacterioFiles Special - Novozymes' Nathan Cude

    This episode: An interview with Dr. Nathan Cude, team leader at Novozymes BioAg Alliance, working on finding and bringing to market soil microbes that can help crops grow!
    Download Episode (14.1 MB, 15.4 minutes)

    Show notes:
    Novozymes
    BioAg Alliance
    Nathan Cude on Twitter and LinkedIn

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

    Subscribe: iTunes, RSS, Google Play. Support the show at Patreon, or check out the show at Twitter or Facebook.

    Monday, March 6, 2017

    BacterioFiles 289 - Prehistoric Paired Prokaryote Partners

    This episode: Great apes' specific gut microbe communities have been with us for millions of years!

    Download Episode (9.1 MB, 10 minutes)

    Show notes:
    News item 1/News item 2

    Journal Paper:
    Moeller AH, Caro-Quintero A, Mjungu D, Georgiev AV, Lonsdorf EV, Muller MN, Pusey AE, Peeters M, Hahn BH, Ochman H. 2016. Cospeciation of gut microbiota with hominids. Science 353:380–382.

    Other interesting stories:
  • Gut bacteria could help treat kidney disease (paper)
  • Virus that infects viruses acts as genomic antiviral defense for host
  • Microbial archaeology studies bacteria resistant to copper in medieval foundry (paper)
  • Bacteria embedded in porous stones make good water filters (paper)
  • Computers can use microbes to estimate time of death

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

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    Monday, February 27, 2017

    BacterioFiles 288 - Caulobacter's Copper Coping Capabilities

    Caulobacter crescentus
    This episode: Some bacterial species use multiple strategies within a single population to deal with environmental challenges!

    Download Episode (8.9 MB, 9.7 minutes)

    Show notes:
    Journal Paper:
    Lawarée E, Gillet S, Louis G, Tilquin F, Blastier SL, Cambier P, Matroule J-Y. 2016. Caulobacter crescentus intrinsic dimorphism provides a prompt bimodal response to copper stress. Nat Microbiol 1:16098.

    Other interesting stories:
  • Bacteria help starved, developing rats get more nutrition from the same food (paper)
  • Creating gut microbe communities to resist pathogens (paper)
  • Predatory bacteria can treat infections in zebrafish larvae
  • Nitrogen is an important element for feeding the gut community
  • Bacterial enzymes artificially evolved to make carbon-silicon compounds

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

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    Monday, February 20, 2017

    BacterioFiles 287 - Producing Potent Pathogen Prophylaxes

    Streptococcus pneumoniae
    Credit: CDC/M.S. Mitchell
    This episode: Polymer-coated bacteria make really good vaccines!

    Download Episode (9.2 MB, 10 minutes)

    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.

    Other interesting stories:
  • Fiber stops microbes from eating protective gut mucus
  • Potential new antibiotics predicted and discovered in human microbes
  • Bacteria communicate to work together against viruses
  • Root bacteria help protect plants against arsenic and infections
  • Fungus helps plants defend themselves against roundworms

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

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    Monday, February 13, 2017

    BacterioFiles 286 - Prokaryote Prevents Pregnancy Pathogen

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

    Download Episode (8.1 MB, 8.9 minutes)

    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.

    Other interesting stories:
  • Modified bacteria change behavior as temperature changes
  • Ants' bacteria produce antifungal compounds (paper)
  • Gut microbes may be related to macular degeneration
  • E. coli could be used to make vaccines (paper)
  • Using bacteria to produce testosterone (paper)

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

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    Monday, February 6, 2017

    BacterioFiles 285 - Sultry Snow Cell Sun Screen

    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!

    Download Episode (6.8 MB, 7.5 minutes)

    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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