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Harmless bacteria may be helpful against meningococcal outbreaks

Nasal drops of harmless bacteria can inhibit a related bug that sometimes causes meningococcal disease, according to new findings published online in Clinical Infectious Diseases. The study--conducted among college students, a group at higher risk for this often serious illness--suggests a new a... Read More

Tripped up by a bug: Infection may cause falls, especially in older people, study suggests

SAN DIEGO - People who end up in the emergency room because of a fall often are tripped up by an infection, rather than a loose throw rug or poor eyesight, suggests a study being presented at IDWeek 2015™. Read More

Interrupting the transmission cycle: A protein required for dengue virus infection of mosquitoes

There is currently no approved specific treatment or vaccine for dengue fever, and an estimated 2 billion people are at risk for being bitten by Aedes mosquitoes and infected with the dengue virus (DENV). A study published on October 22nd in PLOS Pathogens introduces a candidate target for a tra... Read More

Ebola virus mutations may help it evade drug treatment

Genetic mutations called "escape variants" in the deadly Ebola virus appear to block the ability of antibody-based treatments to ward off infection, according to a team of U.S. Army scientists and collaborators. Their findings, published online this week in the journal Cell Reports, have implica... Read More

Swarming Motility of Pseudomonas aeruginosa

Strain: Pseudomonas aeruginosa PA14
Medium: M8 minimal medium agar plates
Incubation Conditions: 48 hours at 37°C
Pseudomonas aeruginosa is a gram-negative, rod-shaped and monoflagellated bacterium that has an incredible nutritional versatility. Swarming motility, a flagellum-dependent behavi... Read More

TWiV 320: Retroviruses and cranberries

Vincent speaks with John Coffin about his career studying retroviruses, including working with Howard Temin, endogenous retroviruses, XMRV, chronic fatigue syndrome and prostate cancer, HIV/AIDS, and his interest in growing cranberries.

Host:  Read More


As a trio, three antibiotics that aren’t individually effective against a drug-resistant staph infection killed the deadly pathogen in test tubes and mice. Read More

Improved survival of HIV patients facilitates heart disease research

WASHINGTON (July 27, 2015) - The improved survival rate of HIV patients in sub-Saharan Africa due to effective treatment programs is increasing the ability of researchers in Africa to study the impacts of cardiovascular disease in HIV patients, according to a guest editor page published today in... Read More


Shortly after a baby’s birth, bacteria aren’t the only invaders to colonize the gut. Viruses move in, too, according to new research. Read More

Safer, with more benefits: Parents' vaccine views shifting

ANN ARBOR, Mich. -- Over the same time period that multiple outbreaks of measles and whooping cough made headlines around the country, parents' views on vaccines became more favorable, according to a new nationally-representative poll. Read More

Women's Hall of Fame inducts past ASM president, UR's pioneer in infections

On Oct. 3 Barbara Iglewski, past president of the American Society for Microbiology, will be inducted into the National Women's Hall of Fame, which praised her "landmark discovery" that "has had an enormous impact nationally and globally." Iglewski spent about 40 years — most at the University o... Read More

Mobile phone records may predict epidemics of mosquito-borne dengue virus

Boston, MA -- A new study led by researchers at Harvard T.H. Chan School of Public Health finds that mobile phone records can be used to predict the geographical spread and timing of dengue epidemics. More people around the world are becoming vulnerable to this deadly virus as climate change exp... Read More

Oysters harbor, transmit human norovirus: Avoid raw ones

Washington DC - August 28, 2015 - Oysters not only transmit human norovirus; they also serve as a major reservoir for these pathogens, according to research published August 28 in Applied and Environmental Microbiology, a journal of the American Society for Microbiology. "More than 80 percent of... Read More

Role of breast cell infection in flu transmission between mothers and breast-feeding ferrets

Influenza is known as an infectious respiratory disease, but a study published on October 8th in PLOS Pathogens suggests that infected cells in breast tissues could play a role in virus transmission from mothers to breast-feeding infants and vice versa using a ferret model. Read More

Link between small mammals and evolution of hepatitis A virus to humans discovered

Researchers at the University of North Carolina at Chapel Hill (UNC-Chapel Hill) are part of an international team led by the University of Bonn, Germany, who have found a link between the origin of hepatitis A virus (HAV) and small mammals. With the emergence of Ebola virus from bats and hantav... Read More

TWiV 360: From Southeastern Michigan

Hosts: Vincent Racaniello and Kathy Spindler

Guests:  Read More

Agar Art Contest 2015

This picture depicts that microbes too can add colours to life. As the beginning of a New Year adds colour to life. This agar art shows how microbes like serratia marcescens, Pseudomonas aeruginosa, Staphylococcus Citrus add to happiness of new year and too add colours to life. Read More

Picornavirus Overview Video - SketchyMicro USMLE Microbiology Review

The Picornavirus Overview Video is the first video in our virus package. It introduces the Picornivirus family, covering general characteristics. More detail about each virus within the family is covered in those virus' individual videos. Read More

Shoe Swab

Unknown organism isolated from a swab taken off the bottom of a shoe. Students were asked to swab something in the classroom. One swab was done on the bottom of a shoe and incubated on a TSA plate for 48 hrs at 37 degree’s C. The organism was difficult to scrape so a small chunk of the organis... Read More

Some vaccines support evolution of more-virulent viruses

Scientific experiments with the herpesvirus such as the one that causes Marek's disease in poultry have confirmed, for the first time, the highly controversial theory that some vaccines could allow more-virulent versions of a virus to survive, putting unvaccinated individuals at greater risk of ... Read More
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