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Breastfeeding increases prevalence of Lactobacilli and Bifidobacteria in infants

Breastfeeding until at least nine months of age increases prevalence in the gastrointestinal tract of Lactobacilli and Bifidobacteria, species which are known to contribute to development of a healthy immune system, according to a paper describing the establishment of the intestinal microbiota d... Read More

Small peptides as potential antibiotics

Small peptides attack bacteria in many different ways and may well become a new generation of antibiotics. Biologists at the Ruhr-Universität Bochum (RUB) have been researching how such peptides kill bacterial cells. "It is quite possible that, in ten years time, all of the currently marketed an... Read More

Canadian man in hospital with Ebola-like virus

A man is in hospital in Canada with symptoms of a haemorrhagic fever resembling the Ebola virus, a health official has said.

The man had recently returned from Liberia in the west African region, currently suffering a deadly outbreak of an unidentified haemorrhagic fever.

He is in isolatio... Read More

New 'gut bacteria' clinical study could help reduce side-effects of radiotherapy

Researchers will examine the role of gut bacteria in influencing the side-effects patients experience after radiotherapy, in the first clinical study of its type.

The study will be carried out by researchers at The Institute of Cancer Research, London, and The Royal Marsden NHS Foundation Tru... Read More

Scientists develop world’s first light-activated antimicrobial surface that also works in the dark

Researchers at UCL have developed a new antibacterial material which has potential for cutting hospital acquired infections. The combination of two simple dyes with nanoscopic particles of gold is deadly to bacteria when activated by light - even under modest indoor lighting. And in a first for ... Read More

Researchers find way to reduce E. coli in cows, improving food safety

A new biological treatment could help dairy cattle stave off uterine diseases and eventually may help improve food safety for humans, a University of Florida study shows.

Kwang Cheol Jeong, an assistant professor in animal sciences and UF’s Emerging Pathogens Institute, examined cattle uterin... Read More

BacterioFiles Micro Edition 159 - Drastic Diet Develops Different Dwellers

This episode: Gut microbe communities can change rapidly to accommodate major diet changes!


(12.2 MB, 13.3 minutes)


Show notes: 
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At least 59 people dead in Guinea Ebola outbreak

An Ebola outbreak has killed at least 59 people in Guinea, UNICEF said, as the deadly hemorrhagic fever has quickly spread from southern communities in the West African nation.

Experts in the country had been unable to identify the disease, whose symptoms -- diarrhea, vomiting and fever -- we... Read More

TB or not TB: that is the question.

Tuberculosis (TB) represents a serious public health problem: 8.7 million cases in 2001 and over 1.4 million deaths per year. In 2006, extensively drug-resistant (XDR) tuberculosis has been confirmed in 84 countries, heralding the possibility of virtually untreatable tuberculosis. The emergence ... Read More

New childhood TB cases double earlier estimates

esearchers from Harvard-affiliated Brigham and Women’s Hospital (BWH) and Harvard Medical School (HMS) have estimated that around 1 million children contract tuberculosis (TB) annually — twice the number previously thought to have the disease and three times the number of cases diagnosed every y... Read More

Shifting evolution into reverse promises cheaper, greener way to make new drugs

By shifting evolution into reverse, it may be possible to use “green chemistry” to make a number of costly synthetic drugs as easily and cheaply as brewing beer. Normally, both evolution and synthetic chemistry proceed from the simple to the complex. Small molecules are combined and modified to ... Read More

Engineers design ‘living materials’ - Hybrid materials combine bacterial cells with nonliving elements that can conduct electricity or emit light

Inspired by natural materials such as bone — a matrix of minerals and other substances, including living cells — MIT engineers have coaxed bacterial cells to produce biofilms that can incorporate nonliving materials, such as gold nanoparticles and quantum dots.

These “living materials” combin... Read More

Stopping malaria transmission: A Virginia Tech biochemist is out for blood

Fighting malaria in today’s world will require a new, targeted approach, and Virginia Tech researchers are out for blood.

The parasites responsible for the mosquito-borne infectious disease are increasingly resistant to current drug approaches, and almost half of the world is at risk of cont... Read More

Drugs fail to reawaken dormant HIV infection

Scientists report that compounds they hoped would "wake up" dormant reservoirs of HIV inside immune system T cells -- a strategy designed to reverse latency and make the cells vulnerable to destruction -- have failed to do so in laboratory tests of such white blood cells taken directly from pati... Read More

Six to Tango

One genome at a time can be exciting, but two even more so. I’m not entirely sure why this is, although it may explain our fascination with sex. And what if more than two entities were involved? What if the intimacy were not just between two individual organisms, but between a greater number of ... Read More

Arctic bacteria gene swap to detoxify mercury

On the list of substances you really don’t want to mess with, elemental mercury is pretty high up. Inhalation or absorption of the volatile metal can quickly lead to irreversible poisoning. Unfortunately, Hg is also a hallmark of industrial society.....Mercury-resistant bacteria carry a collecti... Read More

TWiV 277: My podcast Vinny



Hosts: Glenn Rall, Ann Skalka, and  Read More

Comeback of an abandoned antibiotic

Trimethoprim is more effective against streptococci than expected. Scarlet fever and infections of the skin and throat are often caused by a bacterium called Streptococcus pyogenes. In less-developed countries, inexpensive and well-tolerated antibiotics for therapy are often not available. Scien... Read More

Nanovaccines that need no-refrigeration could curb diseases in remote areas

A new kind of single-dose vaccine that comes in a nasal spray and doesn't require refrigeration could dramatically alter the public health landscape - get more people vaccinated around the world and address the looming threats of emerging and re-emerging diseases. Researchers presented the lates... Read More

Brighter future for bacteria detection

Ever wonder why fruits and vegetables sometimes hit the shelves contaminated by pathogenic bacteria such as listeria, E. coli, and salmonella? According to Tim Lu, an assistant professor of electrical engineering and biological engineering at MIT, it boils down to the inefficient bacteria-detect... Read More

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