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United States Department of Agriculture

Agricultural Research Service

Image Number D1447-1

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Image Number D1447-1

Microbiologist John Bannantine loads amylose resin affinity columns to purify recombinant M. avium subspecies paratuberculosis proteins produced in Escherichia coli.


Photo by Peggy Greb.

640 pixels wide: (d1447-1.jpg)

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Last Modified: 11/24/2009
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