BacterioFiles 240 - Water Worms Make (carbon) Monoxide Meals

This episode: Marine worms and their microbial symbionts can live on the toxic gas carbon monoxide!

Reminder: this is the last episode for at least a few weeks while I am wrapping up my PhD. See you again when I'm done!


Download Episode (11.1 MB, 12.1 minutes)

Show notes:
Journal Paper

Other interesting stories:

Salt-loving extremophiles eat carbon monoxide at Mars-level concentrations (paper)

Better biotech processes by microbial cooperation (paper)

Different ways to engineer microbes to produce propane

Not all organisms share exactly the same genetic code

Queen bees have different microbes than other bees (paper)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 239 - Familial Pheromones Fight faecalis

Just to let you know, I'm trying to finish up my dissertation and graduate in the next few months, so after episode 240, I will be putting the show on hold, at least for a few weeks (but not forever). I'll be sure to bring back some good content after I am done feeling so crunched for time though.

This episode: Gut bacteria kill their drug-resistant pathogenic cousins of the same species via pheromone signaling!


Download Episode (10.4 MB, 11.4 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Bacterial compound could inhibit biofilms but not their builders

Microbial engineering could free us from petroleum products

Studying the immune regulation roles of mouse gut microbes (paper)

Finding useful cold- and warm-adapted algae by season (paper)

Powerful swimming microbe creates crystals of cells

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 238 - Forcing Fungal Familiarization

This episode: Of genes that are similar in yeast and humans, almost half of the yeast versions are functional when replaced with the human version!


Download Episode (7.9 MB, 8.5 minutes)

Show notes:
Journal Paper

Other interesting stories:

Turning algae from harmful blooms into useful products

Intercropping enriches microbes that help crop yields (paper)

Bacteria store energy in magnetic particles that other bacteria later take

Certain gut microbes are characteristic of traditional (non-urban) lifestyles (paper)

More study into how microbes make tasty foods

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 237 - Proving Protist Predation Parentage

This episode: Vampirovibrio chlorellavorus, a predatory bacterium that feeds on Chlorella algae, is currently lost from science, but its genome has been sequenced and interpreted anyway, to reveal a surprising family history!


Download Episode (9.4 MB, 10.25 minutes)

Show notes:
Journal Paper

Other interesting stories:

Appetite-suppressing bacteria could treat obesity

Skin bacteria could save frogs from deadly fungus

Developing yeast that produce lots of biofuel lipids

Vineyard soil microbiome affects vine microbes (and thus, wine)

Microbes could make super-sensitive bioelectromechanical sensors

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 236 - Film Formation Favors Fossilization

Brine shrimp
Credit: Xavier on Flicker

This episode: Gut microbes' activity in decaying brine shrimp help promote fossilization of their soft parts!


Download Episode (8.1 MB, 8.8 minutes)

Show notes:
Paywalled news item/Journal Paper

Other interesting stories:

Baboon friends have more closely related gut communities

Lichens are awesome

Plants depend on bacteria when producing defensive chemicals

Using bacterial communication signal to modify gut microbe communities

Deinococcus could be useful biotech species (review)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 235 - Dust DNA Detectives with Dr. Dunn

Rob Dunn, NC State University

This episode: I talk with Dr. Rob Dunn about his team's research into determining where a dust sample comes from based on the microbes present in it!


Download Episode (12.6 MB, 13.7 minutes)

Show notes:
News item/Journal Paper
The Dunn lab
Books

Other interesting stories:

Certain gut bacteria could help animals feed on new foods (paper)

Potential for engineering our own microbiome

Bacteria could help clean up radioactivity at Fukushima

Bacteria could make better fruit fly traps (paper)

Acid-resistant bacterium could help with stomach infections (paper)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 234 - Phone, Floor Phylum Forensics

This episode: Learning things about people's identity and movements from microbial communities on their phones and shoes!


Download Episode (5.4 MB, 5.8 minutes)

Show notes:
News item 1/News item 2/Journal Paper

Other interesting stories:

Bacteria that live in the deepest part of the ocean

Gut bacteria, birth conditions, and weight are related (paper)

Bee microbiomes stay pretty constant

Early gut bacteria associated with food allergy risk

Gut bacteria could relate to ability to control blood sugar

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 233 - Messy Microbes Maintain Mouse Microbiota

This episode: Mice in less sanitary conditions have more diverse gut communities and perhaps less allergy!

Download Episode (8.15 MB, 8.8 minutes)

Show notes:
Journal Paper

Other interesting stories:

Fertilizer leads to less-helpful soil bacteria

Sponge bacteria help corals get phosphorus

Another way to use microbial electricity to produce hydrogen

Soap has bacteria too

Corals are eating plastic; is it harmful?

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 232 - Exploring Enzymes' Element Effects

This episode: Bacteria can convert soluble uranium to an insoluble form, and distinguish between different isotopes!

Download Episode (8.2 MB, 8.9 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Bacteria could help degrade environmental chemical contaminant (paper)

Phage could treat dental infections

Bacteria and grass together clean up soil

Mutant E. coli keeps getting longer without dividing

Algae could produce malaria vaccine

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 231 - Creating Cancer-Killing Cultures

This episode: Engineering Salmonella strains that kill cancer cells but leave healthy ones alone!

Download Episode (7.9 MB, 8.5 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Rocks floating on a lake house interesting microbes (paper)

Aerobiology - how bacteria affect the weather

Modified gut bacteria could control populations of insect disease vectors (paper)

Gut microbiome's health effects are not so simple

Some traits could be inherited via bacteria

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 230 - Plant Prokaryotes Promote Protein Production

This episode: Bacteria in and around plants can help fertilizer them, even in non-legume plants!

Download Episode (11.1 MB, 12.15 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Figuring out what microbes live (or lived) in NYC's subway

Duckweed could be good microbe food for making biofuels (paper)

Fungal endophytes help barley grow more sustainably

Flower wallpaper made of vaccinated cells

Plant-raping bacteria could help genetically modify yeast (paper)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 229 - Spore-formers Stimulate Serotonin

This episode: Bacteria in mouse guts control the production of serotonin, an important neurotransmitter!

Download Episode (10.4 MB, 11.3 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Nitrogen-fixing bacterium could produce ethanol with fewer inputs

After fecal transplant from overweight donor, recipient became obese

Nitrogen-fixing bacteria partner with tiny animals in ocean (paper)

Monitoring microbiome could help diagnose type 1 diabetes

Breastfeeding could help prepare infant gut community for solid foods

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 228 - Bacteria Beat Bat Blight

Inhibition assay, bacterial colonies
on fungal lawn. Hoyt et al. 2015

This episode: Bacteria isolated from bats' skin inhibits the growth of bat-killing fungus!

Download Episode (7 MB, 7.6 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Bacteria could produce useful emulsifiers (paper)

Fast-growing cyanobacteria could be good for producing things

Making yeast produce more useful proteins such as insulin

Microalga could be good biofuel oil producer

Microbes might've helped create large gold deposits

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 227 - Microbe Menaces Meningitis

This episode: Colonizing ourselves with friendly bacteria could drive out more risky ones, such as those that cause meningitis!

Download Episode (9.8 MB, 10.6 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Bacterial vapors inhibit deadly plant pathogen (paper)

Finding phages to fight tomato disease (paper)

Immune system is important for maintaining gut community health

Even the same species can have diversity in the gut

Using bacterial power to generate clean water and electricity

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 226 - Deep Dwellers Diversify

This episode: Archaea living in the deep ocean (and their viruses) have clever ways to maintain diversity and adaptability!

Download Episode (10.3 MB, 11.25 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Super-slow-growing bacteria may evolve without reproducing

Human gut bacterium is especially able to digest yeast cell walls

Soil fungi can convert uranium to more recoverable insoluble form (paper)

Viruses may have helped human brain develop through history

Accessory genes make each bacterial strain unique

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 225 - Implanting Internal Invader Immunity

This episode: Don't have immunity? Create your own! Scientists engineer cells to destroy their HIV infections using the bacterial immune system!

Download Episode (14.5 MB, 15.8 minutes)

Show notes:
Journal Paper

Other interesting stories:

Insect bacteria produce small RNAs to communicate with hosts (paper)

Yeast can make lots of useful things

Engineering E. coli to better tolerate biofuels it produces (paper)

Pathogens can resist phage infection, but often at a cost (paper)

Microbes can survive on space vessels and cause problems away from Earth

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 224 - Super Small Cells

Ultramicrobacterium.
Fig 3 Luef et al 2015

This episode: Scientists discover what seem to be ultra-small bacteria, possibly smaller than the theoretical minimum size!

Download Episode (12.3 MB, 13.4 minutes)

Show notes:
News item 1/News items 2/Journal Paper

Other interesting stories:

Bacteria could produce good biofuels from renewable resources (paper)

Studying quorum sensing by 3D-printing bacterial biofilms (paper)

Marine algae could be good source of nutrients alternative to fish oil

Caterpillar mind-control virus seems to manipulate response to light

9 cool things about microbes

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 223 - Fecal Fusions Forecast Fatness

This episode: Sampling microbial populations in sewage from cities could reveal differences in the human populations, such as prevalence of obesity!

Download Episode (9.1 MB, 9.9 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Bacterial communities could be evidence about sexual crimes

Bacteria around plants could fight plant diseases (paper)

Microbes can greatly affect mouse gut's protective mucus layer

Cyanobacteria could survive on Mars and produce breathable oxygen

Garbage in Yellowstone permitted hot spring microbial rainbow

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 222 - Cells Store Solar Sparks

The setup. Torella et al. 2015

This episode: Bacteria engineered to produce liquid fuel can eat carbon dioxide and hydrogen from solar-powered water-splitting!

Download Episode (11.2 MB, 12.25 minutes)

Show notes:
Journal Paper

Other interesting stories:

Some bugs need their vitamin-producing microbes, but kill them to harvest the vitamins

How specific gut microbes influence immune system (paper)

Bacteria used to produce various food ingredients

Bacteria could produce polyester beads that bind specific proteins (paper)

Rainforest bacteria could help plants grow better in poorer soil (paper)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 221 - Co-culture Close Contact, Cats, and Cockerels

More related than some bacteria

This episode: More distantly related bacteria can help each other grow (and produce lots of hydrogen) by temporarily fusing with each other!

Download Episode (12.7 MB, 13.9 minutes)

Show notes:
News item/Journal Paper

Bacterial close contact

Note: I said C. acetobutylicum was used in WWII to make acetone for bombs, but it was actually World War I, used to make cordite, a replacement for gunpowder.

Other interesting stories:

Gut microbes can affect brain's defensive barrier in mice

Getting E. coli to produce higher amounts of nice-smelling biofuel compounds

Using fungi to control avocado-damaging pests

Bacterial proteins used to modify human cells' immune signaling (paper)

Worm gut bacteria could help degrade plastic waste

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 220 - Coliforms Cooperate by Conduit

Tubes!
Pande el al. 2015

This episode: Bacteria can connect to each other with tiny tubes to exchange nutrients!

Download Episode (10 MB, 10.9 minutes)

Show notes:
News item/News item 2/Journal Paper

Other interesting stories:

If society collapsed, we could eat microbes

Archaea could produce useful antibacterials too

Tree-killing diseases can help forests be more diverse

Animals have taken the genes bacteria use to poison each other

Viruses can sometimes survive frozen for centuries (paper)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 219 - Fungi Facilitate Photosynthetic Fuels

Fungal mycelium
Image credit: Roslyn Noar

This episode: Fungi can act like sticky nets to help harvest algae for biofuels!

Download Episode (8.3 MB, 9 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Bacteria produce substance that could control harmful algal blooms (paper)

Bacterial proteins in gut can protect mice from rotavirus

Beware of contamination in microbial sequence survey studies

Passionate kissing can transfer a lot of bacteria (not always a bad thing)

Mouse virus can act like gut bacteria in maintaining gut health

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 218 - Parasitoids Pass Protective Prokaryotes

Such a cute parasitoid
Arrows indicate Wolbachia
Ahmed et al. 2015

This episode: Parasitoid wasps spread helpful bacterial symbionts between their whitefly prey!

Download Episode (10.9 MB, 11.9 minutes)

Show notes:
Journal Paper

Other interesting stories:

Making magnetic bacteria do a dance (w/ video)

Viruses have influenced evolution and genetics of plants, including wine grapes

Deep-sea fungus produces potentially useful chemicals (paper)

Effective genetic modification of fungi could lead to useful biotech processes

Microbe-shaped (though not microbe-flavored) popsicles

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 217 - Fungus Fortifies Fly Food

This episode: Fruit flies have microbes that help them get more nutrition out of low-quality food!

Download Episode (8.4 MB, 9.1 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Strategies for treating infections without antibiotics

Increased interest in microbes for agriculture

Our genetics seem to affect our gut microbiota

Algae farm over highway consumes CO₂ from cars

Fly bacteria engineered to prevent sleeping sickness tranmission (paper)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles Special - ASM2015

Here's my summary of ASM2015, an exciting weekend full of science.

Download Episode (11.5 MB, 12.5 minutes)

The convention center in NOLA

Bird in a bayou

Not solid ground

Your host

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

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ASM2015 General Meeting Next Week

No full episode next week; BacterioFiles will be at ASM2015! But I will try to have some conference content to share nevertheless.

BacterioFiles 216 - Probiotic Promotes Peanut Permissiveness

Peanut flower

This episode: Kate Franz and Matt Woodruff from Audiommunity join me to talk about a clinical trial of peanut immunotherapy with probiotics to treat peanut allergies!

Download Episode (29 MB, 31.75 minutes)

Show notes:
News item/Journal Paper
Audiommunity - episode about food allergies

Other interesting stories:

Some viruses can survive being frozen for hundreds of years

Resistance to certain gut pathogen correlates with certain gut microbes (paper)

"Normal" gut microbiome probably as varied as we are ourselves

Human gut communities are very different from chimpanzees'

Figuring out how to engineer bacteria to tolerate biofuels they produce

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 215 - Plasmid Pirates Piezophile Particles

Thermotoga
Credit: AJC ajcann.wordpress.com

This episode: Deep-sea thermophile bacteriophage is pirated by another scurvy genetic element!

Download Episode (10.2 MB, 11.2 minutes)

Show notes:
Journal Paper

Other interesting stories:

Viral remnants are important for human stem cells and development

One Clostridium (scindens) defies overgrowth of another (difficile)

Mosquito bacteria hurt dengue and malaria and mosquitoes

Mitochondria (and thus eukaryotes) might've come from a parasite

Studying phages that kill bee-killing bacteria

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 214 - Cable-Chlorophyte Coop Conducts Current

Cable bacteria
Malkin and Meysman, 2015

This episode: Cable bacteria and algae set up electric grid in sediments!

Download Episode (6 MB, 6.5 minutes)

Show notes:
Journal Paper

Other interesting stories:

Daily rhythms are important for gut microbes and their hosts

Wild yeasts are very diverse in the smells they produce (paper)

Gut microbiome may be involved in alcoholism (paper)

Tiny tiny viruses can have very big effect on ocean carbon

Mouse lupus correlates with certain gut bacteria

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 213 - Bird Bacteria Bolster Babies

Hoopoe
Image credit: Tony Armstrong

This episode: Hoopoes inoculate their eggs with protective bacteria!

Download Episode (6.5 MB, 7 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Effects of whole grains vs. red meat on gut microbes (paper)

Pill form might be good method for fecal transplant

Algal protein discovery is relevant to biofuels but also cancer

Skin microbe produces potentially useful antibiotic

Archaea have taken many important genes from bacteria

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 212 - Ghosts Get Good Guarding

Left: Not a ghost
Right: A ghost
Hjelm et al. 2015

This episode: Bacterial ghosts could make good vaccines for different things!

Download Episode (9.8 MB, 10.7 minutes)

Show notes:
Journal Paper

Other interesting stories:

What would happen if all microbes suddenly disappeared?

Probiotics help protect children and pregnant women from heavy metal toxicity

Using virus-like particles to kill harmful algae (paper)

Yeast make nice beer scent to attract fruit flies

Algae-powered electric Grand Prix cars

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 211 - Stenotrophomonas Summons Snare-Setting Saviors

Fungal trap
Wang et al. 2014

This episode: Bacteria in soil signal to fungi to save them from predatory roundworms!

Download Episode (9.9 MB, 10.8 minutes)

Show notes:
News blog/Journal Paper

Other interesting stories:

Bacteria eat photographs to make cool, creepy art

Microbial communities in NYC Central Park are as diverse as anywhere

Giant clams catch light just right to disperse it to their symbiotic algae

Changing yeast's environment can allow it to tolerate (and produce) more ethanol

Hydrothermal vent viruses seem to survive by helping hosts adapt (paper)

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 210 - Archaea Acquired Alternative Abilities

This episode: Genes taken from bacteria may have been important for the evolution of distinct groups of archaea!

Download Episode (7.4 MB, 8 minutes)

Show notes:
Journal Paper

Other interesting stories:

Bacterial signals could tell cancer cells to stop causing problems

(Sulfite-free) wine could have helpful bacteria

Probiotic prevents chickens from carrying human pathogen (paper)

Plants keep helpful bacteria in their seeds

Bacteria are helping break down drugs in waterways

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 209 - Myxococcus Menace Motivates Megastructures

Megastructure
(Müller et al. 2015)

This episode: Microbial predators in soil cause microbial prey to build fortifications!

Download Episode (8.8 MB, 9.5 minutes)

Show notes:
Journal Paper

Other interesting stories:

Using bacteria to produce adhesives that shellfish use underwater

Maintaining gut community may be important for surviving intensive care

Human gut might actually have some useful bacteria for biofuels too

Termites use mixture of fungal and bacterial symbionts

Bacteria help seeds sprout faster

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

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This show features music from Mevio's podsafe Music Alley.

BacterioFiles 208 - Discovering Dietary Dwellers

Bifidobacterium
microbewiki.kenyon.edu

This episode: Dr. Angela Zivkovic discusses the microbes present in our food!

Download Episode (21.6 MB, 23.6 minutes)

Show notes:
Journal Paper

Other interesting stories:

Archaea seem to be producing vitamin B₁₂ in oceans

Tree microbiomes differ between species like animals'

Some bacteria can help plants form root nodules better (paper)

Biofilms can be useful materials for different things, like sticking to steel

Electricity from microbe metabolism could power waste treatment

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

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This show features music from Mevio's podsafe Music Alley.