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MWV Episode 94 - TWiM #99: Careers in Biodefense
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TWiM #99: Careers in Biodefense

Hosts: Vincent Racaniello


Guests: Maria Julia Marinissen, Read More

Unlocking the Key to Immunological Memory in Bacteria

A powerful genome editing tool may soon become even more powerful. Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have unlocked the key to how bacteria are able to “steal” genetic information from viruses and other foreign invaders for use in their own immunological me... Read More

Gorilla Origins of the Last Two AIDS Virus Lineages Confirmed

Two of the four known groups of human AIDS viruses (HIV-1 groups O and P) have originated in western lowland gorillas, according to an international team of scientists from the Perelman School of Medicine at the University of Pennsylvania, the University of Montpellier, the University of Edinbur... Read More

BacterioFiles 204 - Animalcules Assist Agave Amino Accumulation

This episode: Bacteria living in plants seem to be contributing to plants' nutrition, possibly reducing the need for fertilizer!


(17.5 MB, 19.15 minutes)


Show notes: 
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TWiP 84: Bigfoot

Vincent, Dickson, and Daniel consider the delivery of anti-trypanosome nanobodies to the tsetse fly via a bacterial symbiont, and present a new case study.


Hosts: Vincent Racaniello Read More

Teenager with stroke symptoms actually had Lyme disease

A Swiss teenager, recently returned home from a discotheque, came to the emergency department with classic sudden symptoms of stroke, only to be diagnosed with Lyme disease.

"Everything about her symptoms indicated stroke: speech deficits, poor comprehension and right-sided face and arm weak... Read More

Regular coffee drinkers have 'cleaner' arteries

Drinking a few cups of coffee a day may help people avoid clogged arteries - a known risk factor for heart disease - Korean researchers believe.

Click "source" to read more. Read More

Dawn of the Cyborg Bacteria (video)

In a basement laboratory at the University of Pennsylvania, two roboticists have harnessed the innate sensing, swimming, and swarming abilities of bacteria to power microscopic robots. Even though their work sounds like the prologue to a dark science fiction film, Ph.D. students Elizabeth Beatti... Read More

WHO calls for action over Mers virus

Too little is being done to control the spread of Middle East Respiratory Syndrome, which has infected 50 people in Saudi Arabia so far this month, the World Health Organization has warned.

The rising number of cases in health-care facilities indicates current infection-control measures are n... Read More

Burden of Clostridium difficile Infection in the United States

The deadly bacterial infection Clostridium difficile is estimated to have afflicted almost half a million Americans and caused 29,000 deaths in 2011, according to a study by the Centers for Disease Control and Prevention published Wednesday in The New England Journal of Medicine. The estimate is... Read More

TWiV 326: Giving HIV a flat tyr

Hosts: Vincent RacanielloAlan Dove, and  Read More

Over 900 Hookworm Genes "turn on" to wreak havoc

Tiny parasitic hookworms infect nearly half a billion people worldwide, almost exclusively in developing countries. Researchers say sequencing the genome of a particular species could help develop more effective drugs.

Other hookworm species cause more disease among humans, but Ancylostoma ce... Read More

Deadly bacteria release sparks concern at Louisiana lab

A dangerous, often deadly, type of bacteria that lives in soil and water has been released from a high-security laboratory at the Tulane National Primate Research Center in Louisiana. Officials say there is no risk to the public. Yet despite weeks of investigation by multiple federal and state a... Read More

Should An HIV-Positive Body Be Considered a Deadly Weapon?

When Terrance Williams was 21, he met a man in Syracuse, and the two became friends. Some weeks later, they became sexually involved. Williams and this partner—who, in court papers, is referred to only as “the victim”—used protection in their relationship, at first. But one night, Williams’s par... Read More

Mutant Bacteria That Keep on Growing

The typical Escherichia coli, the laboratory rat of microbiology, is a tiny 1-2 thousandths of a millimeter long. Now, by blocking cell division, two researchers at Concordia University in Montreal have grown E. coli that stretch three quarters of a millimeter. That's up to 750 times their norma... Read More

These are the smallest bacteria ever identified

The ultra-small bacteria were discovered in groundwater. The sample was taken from Rifle, Colorado. The cells take on the appearance of tightly-coiled spirals. The bacterial cells are thought to be the smallest that a cell can be and still hold sufficient material to sustain life.

The cells h... Read More

TWiP 84 letters

 


Jesse writes:


Doctors TWiP,


I liked the discussion of the interaction of bacteria and Leishmania in sandfly guts; it was very interesting! Here is another suggestion if you need a topic to discuss:


Delivery of a functional anti-trypanoso... Read More

Widely used food additives promotes colitis, obesity and metabolic syndrome, shows study of emulsifiers

Emulsifiers, which are added to most processed foods to aid texture and extend shelf life, can alter the gut microbiota composition and localization to induce intestinal inflammation that promotes the development of inflammatory bowel disease and metabolic syndrome, new research shows.

Click ... Read More

Blocking HIV infection with two soluble receptors

Because viruses must bind to cell surface molecules to initiate replication, the use of soluble receptors to block virus infection has long been an attractive therapeutic option. Soluble receptors have been developed that block infection with rhinoviruses and HIV-1, but these have not been licen... Read More

Bacteria in marine sponges harvest phosphorus for reef community

Significant accumulations of polyphosphate granules have been found in three common sponge species of the Caribbean coral reef, indicating that microorganisms that live on marine sponges are pulling phosphorus out of the water to feed themselves and survive in a deep-water environment where very... Read More
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