Headshot of Michael Petersen

Michael Petersen
Senior Scientist
University of Wisconsin Madison-Crop Innovation Center
POSTER PRESENTER
CULTIVATION

Modifying Traits Through Genotype Independent Engineering and Editing of Cannabis sativa

Michael and the team at the Wisconsin Crop Innovation Center have invented a genotype
independent transformation protocol that has successfully created over 500 independent engineered or edited cannabis lines. Several traits have been targeted for modification and results are shared in the poster.

Highlights
• Proven transformation method generating stable and heritable progeny
• Generated the first gene edited hemp line to be granted USDA non-regulated status. This line, called Badger G, is a THC and CBD-free line that is high in CBGA and was created by knocking out the CBDAS enzyme through gene editing
• Created a totally cannabinoid-free line, Badger Zero, by gene editing the TKS gene
• Generated a powdery mildew resistant variety, Badger PMR, by gene editing key MLO sensitive genes
• Overexpressed some transcription factors that increased anthocyanin and flavonoid production
• Modified terpene profiles by overexpressing certain terpene synthase genes

We hope this work helps to bring these new breeding technologies into the cannabis realm and increase our knowledge of a fascinating species!

BIO
Michael Petersen has over 38 years of experience as a researcher and mentor in both the private and public plant biotech space. He has over 50 issued patents. Mike’s expertise is in driving research projects from inception through pre-commercialization. He is proficient in the design, on-lining, and optimization of both biological and mechanical methodologies. Work in plant transformation and gene expression is a passion. Mike has worked at creating many collaborative and fee for service genetic engineering/editing contracts between the UW-Madison and public/private entities across the globe, and now focuses on innovative hemp research.
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