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Yeasts can hide in lichen partnerships: discovery questions textbook idea of organisms' symbiosis.
The discovery of yeasts hiding in lichens from six continents might shake up a basic idea of what makes up a lichen partnership.
Fifty-two genera of lichens collected from around the world include a second fungus--single cells, called yeasts, of a previously unknown order now christened Cyphobasidiales. Toby Spribille of the University of Graz in Austria and colleagues report the finding in the July 29 Science.
For more than a century, biologists have described a lichen as a...
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