GMI: One year after the ECJ ruling on genome editing: Scientists call on EU politicians to amend legislation to secure our food supply and promote sustainable agriculture.

A public statement by numerous European institutes calls for the amendment of the EU's almost 20-year-old GMO legislation

On Thursday, numerous renowned European scientists appealed to the EU to simplify the use of new precision breeding methods to improve crops. This should enable the sustainable development of agriculture and food production in the face of climate change and population growth, according to a public statement to the newly elected EU Parliament and EU Commission. In Austria, the statement was signed by the Austrian Institute of Technology (AIT), The Institute of Science and Technology Austria (IST), the University of Natural Resources and Applied Life Sciences (BOKU), the Gregor Mendel Institute for Molecular Plant Biology (GMI) and the CeMM Research Centre for Molecular Medicine of the Austrian Academy of Sciences (ÖAW).

The appeal comes exactly one year after a controversial ruling by the European Court of Justice (ECJ), which ruled that plants produced with precision methods such as CRISPR/Cas9 should also be classified as genetically modified organisms. Thus, plants that contain even the smallest CRISPR-mediated alteration, which can also arise spontaneously in nature, fall under the GMO legislation of 2001 and are subject to a complex and expensive approval procedure that only large multinational companies can afford. Researchers fear that investment in EU research will decline and breeding efforts by smaller companies will be prevented.

At the same time, plants produced with far less precise conventional methods of gene modification - for example by chemicals or radiation - are exempt from regulation. These methods produce hundreds to thousands of random mutations in plant genomes and have long been used in breeding. However, they subsequently require time-consuming and costly selection and backcrossing in order to remove the hundreds of unwanted mutations. "The new methods, such as CRISPR/Cas9, allow precision breeding in which the same positive genomic changes can be achieved without the accompanying genomic damage," said Ortrun Mittelsten Scheid, group leader at the GMI.

Furthermore, the minimal genetic changes made through new precision methods cannot be distinguished from the same mutations which occurred naturally or were induced by chemicals or radiation. This implies that the current EU GMO legislation cannot be enforced on such imported products, in spite of the fact that approval of such cultivars developed within the EU is hampered by the GMO approval process.

The world population is growing and many plant species are threatened by longer periods of drought due to climate change. The signatories therefore urgently call for an adaptation of the outdated GMO legislation and harmonisation with other countries in order to facilitate plant breeding by research institutes and smaller producers in the EU.


Open Statement
Position paper on the ECJ CRISPR ruling

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