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Microbiology News
Thu, 21 Jun 2018 17:24:37 EDT
Our intestinal microbiome influences metabolism -- through the immune system
The innate immune system, our first line of defense against bacterial infection, has a side job that's equally important: fine-tuning our metabolism.
Thu, 21 Jun 2018 14:11:22 EDT
Researchers create matchmaking service, for peptides and antibiotics
Researchers have matched small proteins, called peptides, with antibiotics so they can work together to combat hard-to-treat infections that don't respond well to drugs on their own.
Thu, 21 Jun 2018 14:10:22 EDT
California Aedes mosquitoes capable of spreading Zika
Over the last five years, Zika virus has emerged as a significant global human health threat following outbreaks in South and Central America. Now, researchers have shown that invasive mosquitoes in California -- where cases of Zika in travelers have been a regular occurrence in recent years -- are capable of transmitting Zika.
Thu, 21 Jun 2018 12:18:57 EDT
Engineering bacteria to exhibit stochastic Turing patterns
A new study has brought science one step closer to a molecular-level understanding of how patterns form in living tissue. The researchers engineered bacteria that, when incubated and grown, exhibited stochastic Turing patterns: a 'lawn' of synthesized bacteria in a petri dish fluoresced an irregular pattern of red polka dots on a field of green.
Thu, 21 Jun 2018 11:20:01 EDT
DNA enzyme shuffles cell membranes a thousand times faster than its natural counterpart
A new synthetic enzyme, crafted from DNA rather than protein, flips lipid molecules within the cell membrane, triggering a signal pathway that could be harnessed to induce cell death in cancer cells. This is the first such synthetic enzyme to outperform its natural counterpart -- and it does so by three orders of magnitude.
Wed, 20 Jun 2018 17:46:06 EDT
Rhesus macaque model offers route to study Zika brain pathology
Rhesus macaque monkeys infected in utero with Zika virus develop similar brain pathology to human infants. The findings may open up new ways to study the infection in an animal model.
Wed, 20 Jun 2018 17:09:51 EDT
The world's tiniest first responders
Amid the rise of CRISPR and genome editing, scientists are still learning more about DNA repair and its significance in aging and diseases such as cancer.
Wed, 20 Jun 2018 15:01:57 EDT
Zero proof probiotics can ease your anxiety
A study found evidence that probiotics can reduce anxiety in rodents, but not in humans.
Wed, 20 Jun 2018 15:01:50 EDT
Compound made inside human body stops viruses from replicating
A team of researchers has identified the mode of action of viperin, a naturally occurring enzyme in humans and other mammals that is known to have antiviral effects on viruses such as West Nile, hepatitis C, rabies, and HIV. This discovery could allow researchers to develop a drug that could act as a broad-spectrum therapy for a range of viruses, including Zika.
Wed, 20 Jun 2018 15:01:39 EDT
Gene-edited pigs are resistant to billion-dollar virus
Scientists have produced pigs that can resist one of the world's most costly animal diseases, by changing their genetic code. Tests with the virus -- called Porcine Reproductive and Respiratory Syndrome, or PRRS -- found the pigs do not become infected at all. The animals show no signs that the change in their DNA has had any other impact on their health or wellbeing.
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