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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K5965-1

Wheat seeds treated with bacteria like those colonized in this petri dish are nearly immune to wheat take-all, a root-destroying fungal disease. The sequencing gel in the background bears the genetic code for bacterial enzymes that synthesize natural antibiotics.

Photo by Jack Dykinga.



640 pixels wide: (k5965-1.jpg)




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Last Modified: 5/23/2006
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