About the Authors

Stefán R. Jónsson

Contributed equally to this work with: Stefán R. Jónsson, Rebecca S. LaRue

Affiliations Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, United States of America, Institute for Molecular Virology, University of Minnesota, Minneapolis, Minnesota, United States of America, Arnold and Mabel Beckman Center for Transposon Research, University of Minnesota, Minneapolis, Minnesota, United States of America, Institute for Experimental Pathology, University of Iceland, Reykjavík, Iceland

Rebecca S. LaRue

Contributed equally to this work with: Stefán R. Jónsson, Rebecca S. LaRue

Affiliations Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, United States of America, Institute for Molecular Virology, University of Minnesota, Minneapolis, Minnesota, United States of America, Arnold and Mabel Beckman Center for Transposon Research, University of Minnesota, Minneapolis, Minnesota, United States of America

Mark D. Stenglein

Affiliations Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, United States of America, Institute for Molecular Virology, University of Minnesota, Minneapolis, Minnesota, United States of America, Arnold and Mabel Beckman Center for Transposon Research, University of Minnesota, Minneapolis, Minnesota, United States of America

Scott C. Fahrenkrug

Affiliations Arnold and Mabel Beckman Center for Transposon Research, University of Minnesota, Minneapolis, Minnesota, United States of America, Department of Animal Sciences, University of Minnesota, St. Paul, Minnesota, United States of America

Valgerdur Andrésdóttir

Affiliation Institute for Experimental Pathology, University of Iceland, Reykjavík, Iceland

Reuben S. Harris

To whom correspondence should be addressed. E-mail: rsh@umn.edu

Affiliations Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, United States of America, Institute for Molecular Virology, University of Minnesota, Minneapolis, Minnesota, United States of America, Arnold and Mabel Beckman Center for Transposon Research, University of Minnesota, Minneapolis, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RH SJ RL MS. Performed the experiments: RH SJ RL MS. Analyzed the data: RH SJ SF VA RL MS. Contributed reagents/materials/analysis tools: SF VA. Wrote the paper: RH. Other: Contributed to the discussion: VA SF. Helped edit the manuscript: VA SF.