Archive for the tag 'Bacteria'

Feb 27 2009

Bugs in Your Mouth: Yours Isn’t the Only DNA Floating Around in that Spit Sample

Published by ErinC under news

Each of us is made up of about 50 trillion cells, which is pretty mind-blowing until you consider the number of microbial cells living on or in each of us.  It’s estimated that a healthy adult is lugging around 10 times more bugs, most of them bacteria, than human cells.
Just as the tiny differences we [...]

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Jan 22 2009

Thinking Outside the Box: Bacterial Genetics and the Peopling of the Pacific

Published by AnneH under big questions, news

Not all bacteria are bad.  Sure, there are plenty of nasty bugs that can make life pretty unpleasant; the ones that cause leprosy, anthrax, and cholera immediately come to mind.
But there are also plenty of beneficial bacteria living inside of us that we may not even know about. Some of them help us synthesize vitamins, digest [...]

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