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Methicillin-resistant Staphylococcus aureus

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus and a dead human neutrophil. Credit: National Institutes of Health/Department of Health and Human Services (NIAID). Read More

TWiP 93 letters

Sandra writes:

Daniel: I was fascinated by your answer to the case from TWIP 91 - the life cycle of the southeast Asian worm (I won't even try to spell it.) Re early symptom coughing & wheezing: if the ED did a chest X-ray out of concern about the lungs, would the... Read More

BacterioFiles Micro Edition 149 - Psychrobacter Survives Siberian Schisms

This episode: Cold-loving bacteria can repair surprising amounts of DNA damage even sub-zero temperatures!

(9.1 MB, 9.9 minutes)

Bacteria isolated from the Siberian arctic permafrost are exposed to a lot of radiation over thousands of years, but somehow they are able to repair... Read More

Bacterial enzyme may help people quit smoking

Current smoking cessation aids fail in 80 to 90 percent of smokers. The idea behind this therapy would be to destroy nicotine before it reaches the brain—depriving a person of the “reward” of nicotine that can trigger relapse into smoking. Pseudomonas putida, a bacterium typically found in tobac... Read More

BacterioFiles 199 - Prokaryote Protein Provokes Problem

This episode: A protein from gut bacteria has been tentatively linked with a human protein related to eating disorders!

(11.4 MB, 12.4 minutes)

Show notes: 
Read More

Scientists unravel elusive structure of HIV protein

COLUMBIA, Mo. - HIV, or human immunodeficiency virus, is the retrovirus that leads to acquired immunodeficiency syndrome or AIDS. Globally, about 35 million people are living with HIV, which constantly adapts and mutates creating challenges for researchers. Now, scientists at the University of M... Read More

TWiV 346: A double helical career

Hosts: Vincent Racaniello, Rich Condit, and Kathy Spindler

Guest:&nb... Read More

The sorceress’s apprentice

ANYONE who walks in the woods will be familiar with witches’ brooms (pictured). Many trees sport these bushy tumours, which have a variety of causes. An important one is a group of bacteria called phytoplasma that are, in turn, carried from plant to plant by sap-sucking insects such as leafhoppe... Read More

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!

(9.1 MB, 9.9 minutes)

Show notes: 
Read More

BacterioFiles 220 - Coliforms Cooperate by Conduit

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

(10 MB, 10.9 minutes)

Show notes: 
News item/ Read More

TWiM #112: Mushroom pickers and mushroom kickers

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

TWiV 349: One ring to vaccinate them all

Hosts: Vincent RacanielloAlan Dove, and Rich ... Read More

BacterioFiles 200 - Converted Clostridium Consumes Carbon monoxide

This episode: Carbon monoxide-eating bacteria get modified to produce more useful products!

(16 MB, 17.5 minutes)

Show notes: 
Journal Paper

... Read More

MWV Episode 85 - This Week in Virology #286: Boston TWiV Party

The Americ... Read More

BacterioFiles 191 - Coats Compose Current Conduits

This episode: Bacterial nanowires are made of the cells' outer membranes!

(9.75 MB, 10.6 minutes)


Show notes: 
News item/<... Read More

Global Video Challenge Submission - Dr. Naveed Ahmed Khan

Dr. Naveed Ahmed Khan, Professor and Chair, Department of Biological and Biomedical Sciences, The Aga Khan University, Pakistan Read More

Virology course on Coursera

For fours years I have taught a virology course at Columbia University and have posted videos of each lecture on my website, virology.ws, and at iTunes University. Nearly 100,000 individuals have subscribed to my virology course at iTunes University. Now Columbia has signed an agreement with Cou... Read More

Bacteria: are they in your head?

The human “microbiome”—the trillions of bacteria, yeasts, and other microscopic creatures that live inside a human body—has been one of the major science stories in recent years. It seems that barely a week goes by that we don’t learn something new about the relationship between the human body a... Read More

BacterioFiles 222 - Cells Store Solar Sparks

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

(11.2 MB, 12.25 minutes)

Show notes: 
Read More

TWiV 345: How a vaccine got the nod

Hosts: Vincent RacanielloDickson DespommierAlan Dove, and  Read More

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