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Hot-spring bacteria reveal ability to use far-red light for photosynthesis

This video contains images of LaDuke hot spring in Gardiner, Montana, along the Yellowstone River, near Yellowstone National Park. The images show the rich mat community of chlorophototrophic bacteria that grow along the hot spring's effluent channel. The dark-green-colored organisms are mainly ... Read More

Harnessing the Power of Bacteria’s Sophisticated Immune System

Bacteria’s ability to destroy viruses has long puzzled scientists, but researchers at the Johns Hopkins Bloomberg School of Public Health say they now have a clear picture of the bacterial immune system and say its unique shape is likely why bacteria can so quickly recognize and destroy their as... Read More

Viruses take down massive algal blooms, with big implications for climate

Humans are increasingly dependent on algae to suck up climate-warming carbon dioxide from the atmosphere and sink it to the bottom of the ocean. Now, by using a combination of satellite imagery and laboratory experiments, researchers have evidence showing that viruses infecting those algae are d... Read More

Ebola Protein Blocks Early Step in Body’s Counterattack on Virus

One of the human body’s first responses to a viral infection is to make and release signaling proteins called interferons, which amplify the immune system response to viruses. Over time, many viruses have evolved to undermine interferon’s immune-boosting signal, and a new study describes a mecha... Read More

Zombie ant fungi manipulate hosts to die on the 'doorstep' of the colony

A parasitic fungus that must kill its ant hosts outside their nest to reproduce and transmit its infection, manipulates its victims to die in the vicinity of the colony, ensuring a constant supply of potential new hosts, according to researchers at Penn State and colleagues at Brazil's Federal U... Read More

Biomotor discovered in many bacteria and viruses

Nano-biotechnologists have reported the discovery of a new, third class of biomotor, unique in that it uses a "revolution without rotation" mechanism. These revolution biomotors are widespread among many bacteria and viruses.

Click "source" to read more. Read More

The Ebola Outbreak: 'A Dress Rehearsal For The Next Big One'

Until this year, the world had recorded 1,640 deaths from Ebola since the virus was discovered in 1976.

Then Ebola appeared in West Africa.

So far this year, 887 people have died of Ebola in West Africa, the World Health Organization said Monday.

To put that into perspective, more than ... Read More

Experts question value of common superbug control practices

The jury is still out on the effectiveness of meticillin-resistant Staphylococcus aureus (MRSA) superbug control policies in hospitals, according to leading infectious disease experts. In particular, screening and isolating infected patients -- which have long been regarded as the gold standard ... Read More

Seals Brought Tuberculosis to Americas

Ancient bacterial genome sequences collected from human remains in Peru suggest that seals first gave tuberculosis (TB) to humans in the Americas.

Modern TB strains found in North and South America are closely related to strains from Europe, suggesting that the Spaniards introduced the diseas... Read More

Asian Tiger Mosquito Could Expand Painful Caribbean Virus into U.S.

Rapid expansion of this species, which is more aggressive than the species that is now spreading chikungunya into the Caribbean, is worrying scientists.

In the past few months, passengers at North American airports have been warned that travel to the Caribbean might result in an unwanted souv... Read More

Mouth Bacteria Can Change Its Diet, Supercomputers Reveal

Bacteria inside your mouth drastically change how they act when you're diseased, according to research using supercomputers at the Texas Advanced Computing Center (TACC). Scientists say these surprising findings might lead to better ways to prevent or even reverse the gum disease periodontitis, ... Read More

Social networking is key to helping bugs spread, study shows

Bugs that can co-operate best with each other are most likely to be able to jump to new species, including humans, a new study shows.

Bacteria interact by releasing molecules to help them adapt to their environment – for example, when killing competing infections in their victim. They co-ord... Read More

The viruses that spread antibiotic resistance

Bacteriophages are viruses that infect bacteria, and in the great war between humans and pathogenic bacteria they can act as allies for both sides. Phages that destroy their host bacteria can be used as antimicrobial therapy, complementing or replacing antibiotics. On the other hand as phages ar... Read More

Ebola Doctor Reveals How Infected Americans Were Cured

Last week two American aid workers who had contracted Ebola while working in west Africa were released from a U.S. hospital and pronounced “recovered.” They had been flown to Emory University Hospital in Atlanta from Liberia earlier this month to receive care in the hospital’s specialized infect... Read More

Scientists boost potential of passive immunization against HIV

Scientists are pursuing injections or intravenous infusions of broadly neutralizing HIV antibodies (bNAbs) as a strategy for preventing HIV infection. This technique, called passive immunization, has been shown to protect monkeys from a monkey form of HIV called simian human immunodeficiency vir... Read More

U.S. biosafety experts watch every step in care of Ebola patients

A U.S. hospital caring for two Americans carrying the deadly Ebola virus has tapped biosafety experts to ensure doctors, nurses and other staff do everything needed to prevent the virus from escaping from an isolation ward in Atlanta.

The two patients, humanitarian aid workers who became infe... Read More

Scientists Choose Sides In Safety Debate Over Lab-Made Pathogens

A smoldering debate about whether or not researchers should ever deliberately create superflu strains and other risky germs in the interest of science has flared once again.

Proponents of the work say that in order to protect the public from the next naturally occurring pandemic, they have to... Read More

In Hunt For New Antibiotics, Scientists Look At Bacteria In Insects' Stomachs

Pampering leafcutter ants with fragrant rose petals and fresh oranges may seem an unlikely way to rescue modern medicine, but scientists at a lab in eastern England think it's well worth trying.

As the world cries out for new antibiotics, researchers at the John Innes Center (JIC) in Norwich ... Read More

Treating Cancer With Bacteria Shows Real Promise

n a groundbreaking study, researchers say injecting bacteria into a tumor helped shrink it.

Bacteria are generally considered more foe than friend, but that may change, if results from a pioneering study are confirmed.

Reporting in the journal Science Translational Medicine, scientists led... Read More

Smart Bacteria Help Each Other Survive

The body’s assailants are cleverer than previously thought. New research from Lund University in Sweden shows for the first time how bacteria in the airways can help each other replenish vital iron. The bacteria thereby increase their chances of survival, which can happen at the expense of the p... Read More
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