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The Viruses That Eavesdrop on Their Hosts

“As Silpe found, the phage avoids this fate by detecting the same quorum sensing signals that the bacteria use to gauge their numbers” writes Ed Yong for theatlantic.com. If it chooses the latter, it makes multitudes of daughter viruses that fatally burst through the host bacterium, ready to infect others.Since the 1990s, the Princeton University biologist has been studying a phenomenon called quorum sensing, in which bacteria release molecules that indicate how many of their peers are around. Source: theatlantic.com Share This:

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Healthcare firm formerly linked to Revlon gave British patients blood it knew was infected

“But some batches were contaminated with viruses like HIV or Hepatitis C which was passed on to British patients” writes Laura Donnelly for telegraph.co.uk. In the 1980s, lipstick maker Revlon operated a separate healthcare company which made blood plasma products under the name Armour Pharmaceuticals. Source: telegraph.co.uk Share This:

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Meet the trillions of viruses that make up your virome

“It has been estimated that there are over 380 trillion viruses inhabiting us, a community collectively known as the human virome” writes Chandrabali Ghose for theconversation.com. Everywhere researchers have looked in the human body, viruses have been found.Many of these viruses infect the bacteria that live inside you and are known as bacteriophages, or phages for short.To put it simply, when it comes to where viruses live in the human body, figuring out where they don’t live is a far better question than asking where they do. Source: theconversation.com Share This:

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Airport security bins are gross as hell, according to a new study

“Considering that sanitation practices likely differ between airports, security bins may be contain more germs at some than others” writes Morgan Sung for mashable.com. So after you grab your phone and shoes from airport security, consider washing your hands.Germs love the plastic security trays, according to a study from the University of Nottingham and the Finnish National Institute for Health and Welfare.Organizers hope that the research will “strengthen public health advice in preparation for future flu pandemics.”.  Source: mashable.com Share This:

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Those airport security bins carry more germs than the toilets, scientists say

“According to the results of a new study published by Finnish and British researchers, half of plastic airport security bins may carry viruses that cause respiratory infections” writes Martine Powers Writes for washingtonpost.com. Next time you go through airport security, it might be worth washing your hands afterward.But plastic bins aren’t the only place in airports where researchers found frequent presence of cold-causing viruses.”We found the highest frequency of respiratory viruses on plastic trays used in security check areas for depositing hand-carried luggage and personal items,” the scientists wrote in…

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How Viruses Cooperate to Defeat CRISPR

“These viruses, known as phages, are like miniature syringes” writes Ed Yong for theatlantic.com. But for billions of years before scientists realized that CRISPR could be used to alter DNA, bacteria were using it as part of their immune systems.And such teamwork also exists at a microscopic scale, among things that some scientists wouldn’t even classify as alive: viruses.They then use this cached information to guide destructive, scissor-like enzymes, which seek out any matching viruses and slice them up. Source: theatlantic.com Share This:

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