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Characterization of a Stigmatic Component from Papaver rhoeas L. Which Exhibits the Specific Activity of a Self-Incompatibility (S-) Gene Product

Vernonica E. Franklin-Tong, Erik Ruuth, Philippe Marmey, Michael J. Lawrence and F. Christopher H. Franklin
The New Phytologist
Vol. 112, No. 2 (Jun., 1989), pp. 307-315
Published by: Wiley on behalf of the New Phytologist Trust
Stable URL: http://www.jstor.org/stable/2556913
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Characterization of a Stigmatic Component from Papaver rhoeas L. Which Exhibits the Specific Activity of a Self-Incompatibility (S-) Gene Product
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Abstract

Extracts prepared from stigmatic tissue of Papaver rhoeas L. have been fractionated and monitored for S-gene product activity. A basic glycoprotein, with an apparent MW of 22 kDa, which exhibits the specific activity expected of a protein encoded by the self-incompatibility (S-) gene has been identified. Similar preparations using extracts from other tissues have revealed that this protein is unique to mature stigma tissue.

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