Flemish Researchers Develop Revolutionary Technology For Use In Plant Breeding
Posted on: Tuesday, 3 November 2009, 14:45 CST
One of the greatest challenges of this century is making the food supply secure in a world that finds itself under increasing pressure from the growing population, changing food patterns and changing climate. The use of new molecular technologies for plant breeding is essential to increase both yield and stress tolerance in our crops.
The new technology is based on insights in epigenetics. The 'epigenetic' component is like an extra dimension on top of the genetic code of a living organism that is affected by the environment and in turn changes the activity of the genes. The efficiency of energy production is strongly related to its epigenetic code. By using a 'smart' selection adapting the epigenetic code, Bayer BioScience's hope is to use the technology in breeding and to develop improved yield varieties.
Using this method in rapeseed it has been proved that rapeseed varieties can be selected yielding between 8% and 20% more than the common varieties. With the help of researchers at VIB-UGent and UA, the underlying mechanism was unraveled and the technology further developed. The result is a very efficient technology based on mechanisms such as energy metabolism and epigenetic regulation, which occur in all plants. The applicability of the selection system is also confirmed in rice, but should in principle be applicable to all crops and should provide the possibility to make selection processes more efficient. Another quite important advantage is that the more energy-efficient varieties do not require more water or fertilizer to produce higher yields.
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