Uncategorized
- Health & Medicine
Lyme microbe forms convenient bond with tick protein
The bacterium that causes Lyme disease commandeers a gene in the deer tick, inducing overproduction of a salivary protein that the bacterium uses to escape immune detection once it's inside a mammal.
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Human immune signal sets off bacterial attack
A chemical secreted by immune cells when people are stressed or sick causes a common gut bacterium to go on the offensive against its host.
- Earth
Great river cycles carbon quickly
Some of the organic material carried to the sea by the Amazon is thousands of years old, but much of the carbon in carbon dioxide emanating from the river was stored in plants for less than a decade.
