mBiosphere

Friday, 13 January 2017 16:26

Outbreak of H7N2 Flu Virus in Cats

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Few people think of cats when they think of influenza virus carriers, but an H7N2 influenza outbreak has struck a Queens cat shelter. We discuss the ability of H7 influenza viruses to cross the species barrier based on a recent Journal of Virology report.
Tuesday, 10 January 2017 18:25

Top 10 Things You Need to Know about mSphereDirect

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The groundbreaking new mSphereDirect submission path puts you in control of getting your original research reviewed and published as soon as possible.  We’ve prepared the most important things to keep in mind while preparing your manuscript submission!
Tuesday, 10 January 2017 14:35

Recycling Iron in the Ocean

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Scientists used a variety of -omics tools to study the mechanisms used by Roseobacter bacteria to take in and use iron in the ocean.
Researchers take a closer look at how flaviviruses manipulates the cellular translation and stress machineries during infection.
A new report finds that Salmonella requires a specific pattern of gene expression to enable its persistent colonization on tomato plants, which helps it to be a successful foodborne pathogen.
A new study is the first step in understanding the microbiome of the Arctic Inuit community, and also in finding ways to prevent mercury poisoning.
Tuesday, 20 December 2016 14:37

Reconstructing a Lichen’s Molecular Architecture

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Researchers have generated the first images of the molecular architecture of the microbial community of a lichen.
Treating patients with recurrent C. difficile infection with microorganisms alone reduces symptoms at a rate many times higher than any drug or chemical.
The call for abstracts is now open for Microbe 2017, the premier microbiology conference hosted by the American Society for Microbiology. This is your opportunity to submit your important research in the microbial sciences to the largest scientific audience, with a 50% higher chance of presenting your research in an oral presentation.
The better scientists understand how Zika virus infects its human hosts, the more likely they are to understand and control the long-term effects of infection, including microcephaly. A new report in the Journal of Virology demonstrates that Zika virus can infect the maternal uterine lining, and that this infection has a distinct effect on the immune response from other viral infections.
Tuesday, 13 December 2016 17:37

In case you missed it: best of mBiosphere 2016

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From archaeal viruses to zoonotic diseases, the breadth of microbiology stories covered on mBiosphere in 2016 was impressive. Here are some of the best posts on mBiosphere from throughout this past year.
While carbapenems aren’t allowed to be given to feedlot animals, other beta-lactam antibiotics are. This is a large class of drugs that includes extended-spectrum cephalosporin drugs. There is no direct link between the use of these extended-spectrum cephalosporins and selection for carbapenem resistance, but some scientists worry this may be a possibility, since the genes that confer carbapenem resistance can also confer extended-spectrum cephalosporin resistance. Carbapenem-resistant bacteria have now been found for the first time on a farm in the United States. This comes after multiple incidents of  carbapenem-resistant bacteria being found in Europe and Asia. The case is documented in Antimicrobial Agents and…
Actinobacteria are the bacterial phylum responsible for production of many clinically-relevant antibacterial compounds. Streptomyces is a soil-dwelling genus of actinobacteria that produces drugs like neomycin and chloramphenicol. Despite deriving many antibiotics already from Streptomyces, could there be still-undiscovered compounds made by these bacteria to increase our antimicrobial arsenal? Finding and characterizing these ‘cryptic’ pathways is the basis for a new study published in Antimicrobial Agents and Chemotherapy.
Misdiagnosis can lead to severe consequences for patients, and is a serious clinical issue. The newly emerging fungal pathogen Candida auris requires higher doses of antifungal medications to treat an infection than does C. albicans, highlighting the importance of proper diagnosis for best patient care. Thus far, the most accurate diagnostic systems involve sequencing part of the fungal genome. Could a more simple biochemical test differentiate between the different panel isolates?
Thursday, 17 November 2016 16:48

You don’t win friends with (precut) salad

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Given that the holidays are right around the corner, many of us will be trying to eat healthy outside of celebratory meals, and that includes many people who turn to salad as a healthy meal option. Salads do provide fresh nutrients, but new research in Applied and Environmental Microbiology suggests pre-cut salad greens may pose a risk for foodborne disease.
In a study published this week in mSphere researchers investigated ATM keypads across the city.The researchers did find plenty of microbes – mostly from normal human skin, household surfaces or traces of food – but no particular clustering by geography.
The issue of multidrug-resistance and the lack of antibiotics in the development pipeline have spurred researchers to pursue new ways to combat bacterial infections. One such method is using naturally occurring predatory bacteria
Raw milk collected from dairy farms has to travel to processing facilities before it is transformed into the delicious dairy products we consume. Because the milk from many dairy cows is collected together, any contamination issue from a single animal can lead to spoilage or contamination. How related are the microbiota of raw milk and the cows from which they come? A new study in Applied and Environmental Microbiology addresses this question using high-throughput DNA sequencing technologies to compare the milk production environment and the raw milk microbiota.
Tuesday, 01 November 2016 11:00

Chlorhexidine use may select for colistin resistance

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Infection control is a vital part of maintaining a safe healthcare facility, and the use of biocides and disinfectants to eliminate potential pathogens is an important part of infection control strategy. Pathogens can spread among patients via transfer to surfaces like doors, floors, and countertops and then to healthcare workers, so these environments are cleaned with various antimicrobial treatments that include compounds such as bleach or chlorhexidine. A new study in Antimicrobial Agents and Chemotherapy suggests a frightening finding: exposure to chlorhexidine may select for chlorhexidine-resistant bacteria, and these resistance mechanisms may confer cross-resistance against antibiotics. 
Wednesday, 26 October 2016 13:55

Examining Aspergillus fumigatus on the Space Station

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One mission of the Microbial Observatory Experiments on the International Space Station is to examine the traits and diversity of fungal isolates, to gain a better understanding of how fungi may adapt to microgravity environments and how this may affect interactions with humans in closed habitats.

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