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BacterioFiles Micro Edition 153 - Social Swarmers Synchronize Cell Systems

This episode: Bacteria that swarm in the soil cooperate or compete based on one particular protein structure!


(10.5 MB, 11.5 minutes)


Show notes: 
Read More

How Bacteria Talk to Each Other and Our Cells

Bacteria talk to each other using N-acylhomoserine lactones (AHLs) as quorum sensing (QS) signals. This signaling allows the bacteria to control gene expression of virulence factors and biofilms once a critical density has been achieved. This phenomenon, quorum sensing, is important when an infe... Read More

BacterioFiles 181 - Spore-formers Smash Salmonella's Solanum Strongholds

This episode: Soil bacteria could help prevent food poisoning from bacteria in raw tomatoes!


(9.6 MB, 10.5 minutes)


Show notes: 
News item<... Read More

TWiP 78: Eau de rodent

 


Vincent and Dickson discuss how malaria parasites induce odors in their rodent hosts that attract mosquitoes.


Hosts: Vincent Racaniello and  Read More

New SARS-like virus discovered before it causes outbreak (from October)

Four months ago, a mucus sample arrived in Dr. Ali Mohamed Zaki’s laboratory in Saudi Arabia.

The mucus had been coughed up by a 60-year-old Saudi Arabian man with a strange case of pneumonia. He had been admitted to the Dr. Soliman Fakeeh hospital in Jeddah on June 13; soon after, his kidney... Read More

Bacteria Ate 200,000 Tons of Oil After Deepwater Horizon Spill

Researchers from the Univ. of Rochester and Texas A&M Univ. have found that, over a period of five months following the disastrous 2010 Deepwater Horizon explosion and oil spill, naturally occurring bacteria that exist in the Gulf of Mexico consumed and removed at least 200,000 tons of oil and ... Read More

MWV Episode 87 - TWiV #291: Live from Colorado State University

Vincent, Rich, and Kathy and their guests Clodagh and Ron recorded this episode at the 33rd annual meeting of the American Society for Virology at Colorado State University in Ft. Collins, Colorado.


Hosts: ... Read More

Get to know the bacteria and viruses that call your body home

Are you willing to take a close look at yourself for science?

A really, really close look?

A team of scientists in the Bay Area is inviting citizen scientists to join them in a quest to create the largest database of human microbiomes in the world.

The human microbiome is the ecosystem ... Read More

TWiP 72 letters


Robin writes:


plethora (n.)


1540s, a medical word for "excess of body fluid," from Late Latin plethora, from Greek plethore "fullness," from plethein "be full" (see pleio-). Figurative meaning "too-muchness, overfullness in any respect" i... Read More

BacterioFiles 168 - Plentiful Plant Pathogen Partners

This episode: Multiple different fungi kill insects and give their nutrients to plant partners!


(8.3 MB, 9 minutes)


Show notes: 
Journal Paper


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U.S. reporting first death due to new swine flu

The United States has reported the first known death caused by the H3N2 variant virus, the new swine flu that has been jumping from pigs to people there.
And in another development that underscores how dynamic the intersection is between pigs, people and influenza viruses, health authorities in... Read More

TWiP 80: Daniel in the parasites' den

Vincent and Dickson welcome new TWiP host Daniel Griffin to discuss the association of a new Mycoplasma with trichomoniasis, and to introduce a new feature to the show, a case study.


Hosts: Vincent Racaniel... Read More

Study: Flu, fever in pregnancy linked to autism risk

In a study that's already being greeted with notes of caution, Danish researchers report that children whose mothers had the flu or ran a fever lasting more than a week during pregnancy had an increased risk of developing an autism spectrum disorder.

U.S. health officials stress that the new ... Read More

TWiV 278: Flushing HIV down the zinc

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Hosts: Vincent Racaniello, Dickson Despommier, Read More

Study finds how bacteria inactivate immune defenses

A new study by researchers at Imperial College London has identified a way in which Salmonella bacteria, which cause gastroenteritis and typhoid fever, counteract the defence mechanisms of human cells.

One way in which our cells fight off infections is by engulfing the smaller bacterial cell... Read More

Fighting bacteria with mucus

Study shows that key proteins in mucus prevent bacterial adhesion to surfaces, could help prevent growth of biofilms.

Slimy layers of bacterial growth, known as biofilms, pose a significant hazard in industrial and medical settings. Once established, biofilms are very difficult to remove, and... Read More

BacterioFiles 174 - Synthetic Cells Sense and Send Signals

This episode: Bacteria with engineered circuits can detect and keep a record of stuff in their environment, like in the gut!


(14.6 MB, 15.9 minutes)


Show notes: 
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Copper Surfaces Reduce the Rate of Healthcare-Acquired Infections in the ICU

Placement of copper objects in intensive care unit (ICU) hospital rooms reduced the number of healthcare-acquired infections (HAIs) in patients by more than half, according to a new study published in the May issue of Infection Control and Hospital Epidemiology, in a special topic issue focused ... Read More

BacterioFiles 173 - Illuminated Invader Inhibits Irritation

This episode: Virus helps to modify mice such that certain colors of light can cause or prevent pain!


(10 MB, 10.8 minutes)


Show notes: 
Jour... Read More

Measles Vaccine Given With a Microneedle Patch Could Boost Immunization Programs

Measles vaccine given with painless and easy-to-administer microneedle patches can immunize against measles at least as well as vaccine given with conventional hypodermic needles, according to research done by the Georgia Institute of Technology and the Centers for Disease Control and Prevention... Read More
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