Viruses and Bacteria
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Why do some people naturally make it to the ripe old age of 100 while remaining free of illness or disease? A new study may have an answer to that question, and the bottom line is that it has to do with what’s in our gut.
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If there's one thing that the past few years have made us of aware of, it's the danger of respiratory viruses. An inhalable powder may one day help temporarily protect against them, by working with the natural layer of mucus in users' lungs.
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Name a type of organic matter and chances are some type of organism has evolved to eat it. Plants, meat, algae, insects and bacteria are all consumed by different creatures, but now scientists have discovered something new on the menu – viruses.
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While most of us wouldn't dream of not washing our spoons or forks after each use, we have no problem repeatedly using – or sharing – a never-washed tube of lipstick. That's why scientists have developed a cranberry-fortified antimicrobial lipstick.
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Scientists have demonstrated a new potential way to edit the genomes of bacteria in complex environments, by equipping viruses to hunt them down and insert the CRISPR gene-editing system.
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Although there are coatings that kill harmful microbes on frequently touched surfaces, most of those substances either have to be frequently reapplied, or they take a long time to work. A new coating, however, is claimed to address both shortcomings.
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There are many parts of the world in which fresh water may be plentiful, but it's also full of harmful microbes. An experimental new filter is able to purify such water for drinking, and it's powered solely by sunlight.
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Scientists have successfully used CRISPR and phages to edit the genome of bacteria in the gut microbiome of live mice for the first time. The breakthrough could help manipulate the ratio between different species to treat a range of health problems.
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Antibiotics were one of the most important inventions of the 20th century, but bacteria are developing resistance to them. Now researchers have shown that ultrashort pulses of laser light can kill bacteria and viruses, without harming human cells.
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Along with its present use in biofuels and fertilizer, algae could potentially be utilized in applications ranging from bioprinted tissue to honeybee feed. That's why a new system is important, as it continuously checks that algae crops are healthy.
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A study has cataloged thousands of distinct viral species living in the human gut. The majority are unknown to science and researchers suggest the novel interactions between bacteria and viruses in our microbiome could inform future disease treatments.
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Bacteria have a nasty ability to rapidly evolve, allowing them to evade antibiotics in short order. But now, scientists at UC San Diego have used evolution against them, by “training” bacteria-killing viruses to anticipate their next moves.
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