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Senior Research Associate – Cell Based Assay Development

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Job Title: Senior Research Associate – Cell Based Assay Development
Location: Johnston, IA, Mid-West United States, USA
Company: Corteva
Industry Sector: Agribusiness
Industry Type: Plant & Soil Sciences, Seed and Biotechnology
Career Type: Researcher/Research & Development
Job Type: Full Time
Minimum Years Experience Required: N/A
Salary: 0
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Join us at Corteva Agriscience, a world leader and supplier of plant genetics, to tackle important agricultural challenges and help secure a reliable and sustainable food supply across the world for years to come.

Our trait discovery team is seeking a candidate with cell and molecular biology background to support the design, development and validation of cell-based assays to screen insecticidal toxins. The successful applicant will be working in a team environment with a focus on the cell-based screening using cutting-edge robotics and technologies to identify novel insecticidal toxins from various sources.



  • Contribute to developing, improving, and executing cell-based cytotoxicity assays;
  • Maintain and transfect mammalian and insect cell lines;
  • Isolate, characterize and culture primary insect cells;
  • Operate liquid handling robotics, microplate stacker and other high-throughput screening equipment;
  • Analyze and present data, both in written reports and oral presentations within the group;
  • Maintain lab notebooks with detailed and timely recording of experimental data.




  • A Masters degree in cell biology, molecular biology or entomology with 2-5 years of laboratory experience;
  • Hands on skills in mammalian and/or insect cell culture, including primary cells (midgut cell experience is ideal);
  • Experience with developing mammalian or insect cell-based functional assays;
  • Experience with expressing membrane bound proteins, particularly receptors involved in the signal transduction, is desired;
  • Proficient in general molecular biology techniques (e.g. qPCR, Western blotting and immunofluorescence staining);
  • Familiarity with bioassay analysis instrumentation (e.g. multimode plate reader and multicolor microscopy) and analytical software tools (e.g. Prism and FlowJo);
  • Experience with FACS analysis is highly desirable;
  • Experience with stable cell line generation is a plus;
  • Excellent interpersonal skills, attentive to detail, and the ability to work independently in a dynamic team environment.


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Job Post Date: 03/14/19
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