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Ancient rocks show life could have flourished on Earth 3.2 billion years ago

The ability to use atmospheric nitrogen to support more widespread life was thought to have appeared roughly 2 billion years ago. Now research from the University of Washington looking at some of the planet’s oldest rocks finds evidence that 3.2 billion years ago, life was already pulling nitrog... Read More

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

Long-term nitrogen fertilizer use disrupts plant-microbe mutualisms

When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes – the plants they normally serve, researchers report in a new study.

These findings, reported in the journal Evolution, may be of little interest to... Read More

Unusual Bacteria Discovered in Deepest Ocean Trench

Researchers from Japan discovered microscopic bacteria thrive in the canyon called Challenger Deep, which is the lowest point on Earth's surface and the deepest part of the Mariana Trench, the team reports Feb. 23 in the journal Proceedings of the National Academy of Sciences. In particular, the... Read More

Slide culture technique

Slide culture technique
Growth of mycelia of aspergillus after incubation at Rt/24hrs on Sabouraud's agar as observed under low power... Read More

Were early seas transformed by sponge microbiome?

If ever there was proof of the power of small things, surely this is it. Last year, came the suggestion that sponges transformed Earth's deep oceans 750 million years ago, turning them into an oxygen-rich haven for life. Now it seems tiny bacteria living inside the sponges also played a part in ... Read More

Johns Hopkins and CDC prepare emergency department staff to care for patients with infectious disease

Four Web-based training modules developed by Johns Hopkins Medicine for emergency department personnel who treat patients with infectious diseases are now available on the Centers for Disease Control and Prevention (CDC) website.

Titled Ebola Preparedness: Emergency Department Guidelines, the... Read More

Study: Reusable Plastic Produce Containers Harbor Bacteria Even After Being Cleaned, Sanitized

Reusable plastic containers used to transport large amounts of fruits and vegetables to grocery stores can continue to harbor potentially harmful bacteria directly on their surfaces, even after undergoing industry-standard cleaning and sanitizing, according to a new study conducted by researcher... Read More

Rob Knight on TED: How microbes make us who we are

A clear, succinct description of the importance of our microbiome in human health. Includes some interesting data on the chances in the gut microbial flora of a baby from birth to 2 years old. Read More

Were early seas transformed by sponge microbiome?

If ever there was proof of the power of small things, surely this is it. Last year, came the suggestion that sponges transformed Earth's deep oceans 750 million years ago, turning them into an oxygen-rich haven for life. Now it seems tiny bacteria living inside the sponges also played a part in ... Read More

Shiga toxin producing Escherichia coli on blood agar

Shiga toxin producing Escherichia coli grown on blood agar. The organism was isolated from smallholdings' cattle, Bangladesh. 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

'Virtual virus' unfolds the flu on a CPU

Combining experimental data from X-ray crystallography, NMR spectroscopy, cryoelectron microscopy and lipidomics, researchers have built a complete model of the outer envelope of an influenza A virion for the first time. The approach, known as a coarse-grained molecular dynamics simulation, has ... 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

Salmonella colonies on Xylose Lysine Tergitol-4 agar

Salmonella is a zoonotic foodborne pathogen and a public health concern. It has been estimated that this pathogen causes ~1.2 million illnesses, ~20,000 hospitalizations, and ~400 deaths in the US annually (Scallan et al., 2011). Salmonella has ~2,600 serotypes (serovars) and numerous hosts and ... Read More

Small Loop in Human Prion Protein Prevents Chronic Wasting Disease

Chronic wasting disease (CWD) — an infectious disease caused by prions — affects North American elk and deer, but has not been observed in humans. Using a mouse model that expresses an altered form of the normal human prion protein, researchers at University of California, San Diego School of 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

Modeling and predictive microbiology: Interview with An Vermeulen (Video)

An Vermeulen works at the Laboratory of Food Microbiology and Food Preservation of Ghent University. She is an industrial liaison officer for the laboratory as well as for the Flemish Cluster Predictive Microbiology in Foods, a cooperation between KULeuven and UGent, to improve the knowledge on ... Read More

Swine flu claims 800 lives across India, Ahmedabad prohibits mass gatherings

Killer swine flu attacks India. It’s H1N1, the same strain which was responsible for 1918 Spanish and 2009 flu pandemic that was the deadliest natural disasters in human history. More than 11,000 cases have been reported in India. The death toll has risen to more than 700. Number of death and in... Read More

Shiga toxin producing Escherichia coli on EMB agar

Shiga toxin producing Escherichia coli grown on EMB agar. The organism was isolated from smallholdings' cattle, Bangladesh. Read More
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