About the Authors

Man Zhou

Affiliation Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America

Qian Hu

Affiliation Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America

Zhigang Li

Affiliation Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America

Dayong Li

Affiliation Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America

Chin-Fu Chen

Current address: Center for Molecular Studies, Greenwood Genetic Center, Greenwood, South Carolina, United States of America

Affiliation Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America

Hong Luo

hluo@clemson.edu

Affiliation Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America

Competing Interests

The authors have the following competing interests: several authors (Hong Luo, Man Zhou, Qian Hu) have made a patent application for work described in this manuscript (US patent application publication 2011/0078820 A1 published 31 March 2011). There are no products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HL. Performed the experiments: MZ QH ZL DL. Analyzed the data: MZ HL. Contributed reagents/materials/analysis tools: MZ CC HL. Wrote the paper: MZ HL.