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Nitrate reduction test

Nitrate reduction test for the reduction of nitrate in nitrate media, to determine if the bacteria contains nitrate and/or nitrite reductase. Organism were incubated for 48 hr's at 37 degree's in nitrate media then reagents added.
Slide (1)
Nitrate broths after the addition of 10 drops re... Read More

BacterioFiles 163 - Pseudomyrmex Sidekicks Stop Sprout Sickness

This episode: Ants teaming with bacteria help defend plants from bacterial pathogens!

(9.4 MB, 10.2 minutes)

Show notes: 
News item/ Read More

BacterioFiles 227 - Microbe Menaces Meningitis

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

(9.8 MB, 10.6 minutes)

Show notes: 
Read More

BacterioFiles 162 - Desert Dwellers Densify Dunes

This episode: Spraying cyanobacteria could turn deserts into useful land!

(9.3 MB, 10.13 minutes)

Show notes: 
Ne... Read More

TWiM #125: A minimal cell operating system

A deep sequencing study of commercially available probiotics, and design and synthesis of a minimal bacterial genome are the topics tackled by Vincent, Michael, and Michele on this episode of TWiM.

Hosts: Vincent Racaniello, Read More

Lactose fermenting E.coli after overnight growing on MacConkey agar

MacConkey agar plate with invasive lactose fermenting E.coli which was isolated for fatal case of neonatal septicemia.
Photo was taken after 12h incubation under 37C.
Credits: Povilas Kavaliauskas, Vilnius University, Lithuania. Read More

BacterioFiles 216 - Probiotic Promotes Peanut Permissiveness

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!

(29 MB, 31.75 minutes)

Show notes: 
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TWiP 86: Worms Loa the immune response to mycobacteria

Vincent, Dickson, and Daniel discuss how filarial infection modulates the immune response to mycobacterial infection, and reveal a new case study.

Hosts: Vincent Racaniello Read More

MWV 104 - Can We Live in a World Without Microbes?

What would life be like in a world without microbes? No infectious diseases, no moldy food, no bad breath. Sounds great, right? Find out in the latest installment of the American Society for Microbiology's public outreach video series called BioFilms.

Written and Produced by Erika Shu... Read More

BacterioFiles 235 - Dust DNA Detectives with Dr. Dunn

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!

(12.6 MB, 13.7 minutes)

Show notes: 
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BacterioFiles 248 - Tiny Travelers Transport Toxin Trashers

This episode: Bacteria that swarm around in groups carry other bacteria with them that can be helpful for degrading toxins!

(14.2 MB, 15.5 minutes)

Show notes: 
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MMP #5: Fruitflies, microbes, and aggression with Jeremy Brownlie

Host: Jeff Fox with special guest, Jeremy Brownlie.

Jeremy Brownlie of Griffıth University in Brisbane, Australia, talks with Jeff Fox about how bacteria influence aggressive behavior in an animal. Fruit flies infected with the wMelPop strain of Wolbachia were less aggressive than the... Read More

BacterioFiles 242 - Corporeal Communities Create Characterizing Codes

This episode: Features of the microbial communities of people's bodies could be used to identify individuals!

(11.3 MB, 12.3 minutes)

Show notes: 
Commenta... Read More

TWiV 287: A potentially pandemic podcast

Matt updates the TWiV team on MERS-coronavirus, and joins in a discussion of whether we should further regulate research on potentially pandemic pathogens.

Hosts: Vincent Racaniello Read More

BacterioFiles 166 - Metamorphosis Microbes Mapped

This episode: Discovering how butterflies' bacteria change from caterpillar to adult!

(7.5 MB, 8.1 minutes)

Show notes: 
News item/ Read More

BacterioFiles 207 - Microbe Messages Mire Malaria Movement

This episode: Gut microbes may induce an immune response that protects against malaria!

(10.2 MB, 11.2 minutes)

Show notes: 
News item/... Read More

TWiM 110 Letters

Trudy writes:

I'm sorry, I may have missed something, but the mechanism behind an effective vaccine is still unclear to me, since infection with F. tularensis does not confer protection. How would a vaccine work?

Katy Bosio replies:

In... Read More

BacterioFiles 201 - Plastic-Producing Prokaryote Process

This episode: Bacteria from wastewater treatment sludge can produce lots of biodegradable plastic!

(7.1 MB, 7.75 minutes)

Show notes: 
Jour... Read More

BacterioFiles 209 - Myxococcus Menace Motivates Megastructures

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

(8.8 MB, 9.5 minutes)

Show notes: 
Journal Paper

Read More

TWiV 346: A double helical career

Hosts: Vincent Racaniello, Rich Condit, and Kathy Spindler

Guest:&nb... Read More

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