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Dr. David Dennis, now retired, is an accomplished and well respected scientist and speaker in Dr. David Dennisthe ag-biotech field and industry. Dr. Dennis is a published plant biologist and graduated from Leeds University (England) with a First Class Honours Degree in Botany, followed by a PhD in Biophysics for his work on the structure of cellulose microfibrils from land plants and marine seaweed. David’s work was supervised by Prof. R.D. Preston and resulted in a paper published in Nature.
In 1959 David married Marjory Bowmer and accepted a postdoctoral position at the NRC (Ottawa, Canada), working on the synthesis of cellulose by the bacterium, Acetobacter xylinum. Accepting a second postdoctoral position in the Department of Chemistry at UCLA, He worked in the laboratory of Dr. Charlie West where he elucidated the initial steps in the pathway for the biosynthesis of gibberellins, which are growth hormones found in plants.
In 1965, David returned to England accepting a position as a scientist in the research laboratory of Unilever Ltd (Sharnbrook, Bedfordshire) working on the senescence of plants and the regulatory mechanisms of plant metabolism with a focus on increasing the shelf life of plant products which lead to David’s first papers on the regulation of plant metabolism.
Dr. Dennis emigrated permanently to Canada in 1968 accepting the position of Associate Professor of Biology at Queen’s University (Kingston, ON). He was promoted to Full Professor in 1974 and is now Professor Emeritus at Queen’s. He was also a Visiting Scholar in 1974,in the Chemistry Department of UCLA, working on the regulation and compartmentation of plant enzymes and in 1982, David spent a year as a Visiting Scholar at the John Innes Research Institute in Norwich, England working in the laboratory of Dr. Harold Woolhouse on the regulation and comparmentation of plant enzymes.
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