10 years ago
How An Antibiotic Gene Jumped All Over The Tree of Life
Every living thing on the planet has to contend with bacteria. To many viruses, they are prey. To other bacteria, they are competitors. To animals and plants, they can be the cause of devastating diseases or beneficial partners that provide everything from nutrition to immunity to light. They have been around for some 3 billion years, and they are everywhere. So, it makes sense that a gene which allows its owners to deal with bacteria might find a home throughout the entire tree of life.
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http://phenomena.nationalgeographic.com
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