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Research Article

A Dominant Mutation in mediator of paramutation2, One of Three Second-Largest Subunits of a Plant-Specific RNA Polymerase, Disrupts Multiple siRNA Silencing Processes

  • Lyudmila Sidorenko,

    Affiliation: Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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  • Jane E. Dorweiler,

    Affiliation: Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, United States of America

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  • A. Mark Cigan,

    Affiliation: Pioneer Hi-Bred International, Johnston, Iowa, United States of America

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  • Mario Arteaga-Vazquez,

    Affiliation: Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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  • Meenal Vyas,

    Affiliation: Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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  • Jerry Kermicle,

    Affiliation: Genetics Department, University of Wisconsin, Madison, Wisconsin, United States of America

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  • Diane Jurcin,

    Affiliation: Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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  • Jan Brzeski,

    Affiliation: Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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  • Yu Cai,

    Affiliation: Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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  • Vicki L. Chandler mail

    chandler@ag.arizona.edu

    Affiliation: Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

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  • Published: November 20, 2009
  • DOI: 10.1371/journal.pgen.1000725

About the Authors

Lyudmila Sidorenko, Mario Arteaga-Vazquez, Meenal Vyas, Diane Jurcin, Jan Brzeski, Yu Cai, Vicki L. Chandler
Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America
Jane E. Dorweiler
Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, United States of America
A. Mark Cigan
Pioneer Hi-Bred International, Johnston, Iowa, United States of America
Jerry Kermicle
Genetics Department, University of Wisconsin, Madison, Wisconsin, United States of America

Corresponding Author

Email: chandler@ag.arizona.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS JED AMC MAV MV JK JB YC VLC. Performed the experiments: LS JED AMC MAV MV JK DJ JB YC. Analyzed the data: LS JED AMC MAV MV JK DJ YC. Wrote the paper: LS VLC.