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Microscope will seek biological samples on red planet

One of the ultimate goals of Mars exploration is to bring samples from the surface to Earth, especially those that could be examined for evidence of life on the Red Planet.

Such an undertaking would be expensive and the samples risk contamination during their journey to Earth. So, one option ... Read More

Culex mosquitoes do not transmit Zika virus, Kansas State University study finds

A Biosecurity Research Institute study has found important results in the fight against Zika virus: Culex mosquitoes do not appear to transmit Zika virus.

Researchers at Kansas State University's Biosecurity Research Institute studied Culex species mosquitoes from across the country, includin... Read More

Soil microbes flourish with reduced tillage

For the past several decades, farmers have been abandoning their plows in favor of a practice known as no-till agriculture. Today, about one-third of U.S. farmers are no longer tilling their fields, and still more are practicing conservation tillage—using equipment that only disturbs the soil to... Read More

Generation Zika

U.S. public health officials are bracing for a wave of babies with severe Zika-related birth defects. The latest official numbers suggest 808 pregnant women in the U.S. appear to have been infected with Zika. Yet doctors are also steeling themselves for the possibility of birth abnormalities in ... Read More

Microbiology Career Profiles – Assistant Scientist at DuPont Nutritional & Health with Wesley Morovic

Wesley Morovic explains his journey from a Bachelor’s degree from the University of Wisconsin to DuPont. Learn more about what he does, how he got to his position, and what you should do to get there. Read More

Endangered frog recovers thanks to resistance to deadly fungus

For decades a deadly fungus has been slaughtering amphibians around the world, driving many to the brink of extinction or even beyond.

But now one frog’s recovery shows that, with a little luck and habitat preservation, some amphibians may be able to evolve resistance to the fungus.

In lab... Read More

Grand Challenge: Mapping the Human Immune System

A team of scientists has created a genetic map of all possible receptors the human immune system might generate—also known as the immunome.

The project involved a mind-boggling data set.

“If we were on a treasure hunt, where the cure to many illnesses is the buried treasure, then we’ve jus... Read More

Antimicrobial resistance gene found in marine pathogen

A team of Chinese investigators has discovered a gene for resistance to β-lactamase antibiotics, in the pathogenic marine bacterium, Vibrio parahaemolyticus. The β-lactamase gene, blaVEB-2, has never before been found in V. parahaemolyticus, and in fact, has been found almost exclusively in non-... Read More

New Discovery Offers Hope for Crohn’s Disease

Exciting new research in the medical journal MBio, the journal of the American Society for Microbiology, offers hope for sufferers of the debilitating illness known as Crohn’s Disease.

Crohn’s is an inflammatory bowel disease (IBD) that involves inflammation of the lining of the bowels and th... Read More

2016 MacArthur awards name two geomicrobiologists

The 2016 MacArthur awards have just been announced. Among the handful of scientists are two microbiologists, Dianne Newman and Victoria Orphan, both at Cal Tech and both geomicrobiologists. We rejoice. Both are extraordinary scientists with an unusually broad range of interests.

Click "source... Read More

Researchers discover rare flu-thwarting mutation

A rare and improbable mutation in a protein encoded by an influenza virus renders the virus defenseless against the body's immune system. This University of Rochester Medical Center discovery could provide a new strategy for live influenza vaccines in the future.

A new approach to the live fl... Read More

Mix and match microbes to make probiotics last

Scientists have tried to alter the human gut microbiota to improve health by introducing beneficial probiotic bacteria. Yet commercially available probiotics do not establish themselves in the gut. A study published September 29 in Cell Host & Microbe suggests that it is possible to alter the mi... Read More

Zika infects neural cells related to skull formation, affecting their function

Cranial neural crest cells--which give rise to the bones and cartilage of the skull--are vulnerable to Zika virus, report Stanford University School of Medicine researchers September 29 in Cell Host & Microbe. The discovery, made by infecting in vitro cultures of human cells, offers a potential ... Read More

Microbes in the breast may play a role in breast cancer

The gut microbiome has stolen the show when it comes to the recent explosion of research on the bacteria that thrive within us. But bacteria also live in a woman's breast tissue—and the mix of those microbes may have an equally important effect on health, according to a new study in Applied and ... Read More

Yoshinori Ohsumi of Japan Wins Nobel Prize in Medicine

Yoshinori Ohsumi, a Japanese cell biologist and ASM member, was awarded the Nobel Prize in Physiology or Medicine on Monday for his discoveries on how cells recycle their content, a process known as autophagy.

In a series of experiments in the early 1990s, Dr. Ohsumi used baker’s yeast to ide... Read More

The Five-second Rule Debunked

In a very interesting development, a latest study has debunked the belief that it was safe to eat food fallen on the floor if picked up within “five seconds”.
Professor Donald W Schaffner, a food microbiologist at Rutgers University in New Jersey, said a two-year study he led concluded that no ... Read More

Potentially life-threatening fungus found in water distribution systems of five French hospitals

A specific strain of the fungus, Fusarium oxysporum, circulates in the water distribution systems of five French hospitals, in two widely separated cities. This microbe is potentially a life-threatening risk to immunocompromised patients. The research is published September 23, 2016 in Applied a... Read More

A Sweater and a Shirt Came Before Just a Shirt

It is not unexpected that the contemplation of bacteria and archaea should focus so much on the nature and im­portance of their cell envelopes. Here, after all, is the in­ter­face between the cell's interior and the outside world. It is also what a host perceives early on when becoming infected.... Read More

BacterioFiles 270 - Bacteria Block Bug Babies

This episode: Insect gut microbes can be engineered to act as birth control, population control, or disease control for bugs!

(13.3 MB, 14.5 minutes)

Show notes: 

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TWiV 409: A Nef is enough

Jeremy joins the TWiVeroids to tell the amazing story of how the function of the HIV-1 protein called Nef was discovered and found to promote infection by excluding the host protein SERINC from virus particles.

Hosts:  Read More

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