Different methods of genetically engineering plants - Robert Horsch
Interviewee: Robert Horsch. Robert Horsch compares the random power of a gene gun with the natural genetic engineering abilities of agrobacterium. (DNAi Location: Manipulation > Techniques > Transferring & storing > Interviews > Agrobacterium or gene gun?)
The gene gun worked with a broader range of plant crops than agrobacterium in the early days and so it was a more random method, it was also more broadly useful. Today, agrobacterium has been adapted to plants that previously it was thought not to work on, and I think in the long run most engineering will go back to the agrobacterium system.
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Robert Horsch talks about the gene gun: a physical method of delivering genes into plant cells.
Robert Horsch explains the mechanism by which agrobacterium delivers its DNA "parcel."
Robert Horsch talks about the parasitic nature of agrobacterium and the effect it has on the host plant.
Robert Horsch talks about agrobacterium as a ready-made delivery system for getting foreign DNA into plants.
Image of Dr. Robert Horsch
DNALC Live: Join us Monday, April 6th at 1:00 PM EDT for a virtual lab! Jeff will extract DNA from snack foods in an effort to detect GMOs through PCR. Watch and download worksheets to follow along here:
Father of Genetics
Little chance that genetic modifications to chloroplasts are transferred by pollen to wild plants.
Stanley Cohen speaks about his and Herbert Boyer's experiment to make the first plasmid that had been engineered to contain foreign DNA.
DNAFTB Problem 4: Cross pure-bred pea plants to identify dominant flower color.