Laboratory Personnel

The USDA Central Small Grain Genotyping Lab, August 2017, front row, left to right: Dr. Lanfei Zhao, Dr. Paul St. Amand, Dr. Pingping Zhang, Dr. Guihua Bai, Abdulrahman Hashimi, Dr. Hui Chen, Fuan Niu, Yuzhou 'Bruce' Xu. Back row, left to right: Dr. Amy Bernardo, Yaoguang Li, Dr. Chengjin Guo, Nida Ghori, Umara Rana, Guoxia 'Sharon' Liu, Dr. Yan Li, and Morgan Peterson.


  • Dr. Guihua Bai

    Dr. Guihua Bai
    Principal Investigator

  • Dr. Paul St. Amand

    Dr. Paul St. Amand
    USDA Research Geneticist
    Manages the USDA genotyping lab, analyzes genotyping samples, and provides genotyping training to visitors and new scientists.

  • Dr. Amy Bernardo

    Dr. Amy Bernardo
    Research Associate
    Develops markers for disease resistance genes, and conducts DNA and RNA sequencing using our Ion Proton and ABI3730.

  • Lisa Pacha

    Lisa Pacha
    Program Support Assistant
    Administrative and secretarial duties.

  • Morgan Peterson

    Morgan Peterson
    Lab Assistant
    Performs and teaches DNA extractions, general housekeeping, and prepares reagents.

Visiting Scientists

  • Yunfeng Xu

    Cloning the 7A thousand grain weight (TGW) QTL.

  • Fuan Niu

    Mappping Hessian fly resistance QTL in wheat cultivar 'Java'.

  • Guoxia 'Sharon' Liu

    Mapping Hessian Fly resistance QTL in wheat.

  • Dr. Yan Li

    Wheat transformation and validation using the FHB-1 resistance QTL.

  • Dr. Lanfei Zhao

    Dr. Lanfei Zhao
    Map-based cloning of the FHB-7 resistance QTL.

  • Dr. Chengjin Guo

    Dr. Chengjin Guo
    Wheat resistance to preharvest sprouting.

Postdoctoral Scientists

  • Dr. Hui Chen

    Hui Chen
    Molecular and genetic mechanisms of wheat resistance to diseases and pre-harvest sprouting (PHS) based on next-generation sequencing technologies.

Graduate Students

  • Nida Ghori

    Improving wheat germplasm for changing environments via next generation sequencing.

  • Yuzhou 'Bruce' Xu

    Cloning FHB resistance genes in wheat using genetic and bioinformatic approaches.

  • Umara Rana

    Umara Rana
    Mappping Fusarium head blight resistance QTL in wheat.

  • Abdulrahman Hashimi

    Abdulrahman Hashimi
    Mappping Fusarium head blight resistance QTL in wheat cultivar Lyman.

  • Yaoguang Li

    Studying the interaction of plant height genes in wheat.

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