'Highly-experimental' gene-edited super crops rich in omega 3 will be grown in the UK for the first time after scientists exploit a legal loophole
- Gene-edited crops are set to be sown in a field in Hertfordshire this month
- Trial will investigate whether GE field crops can produce omega 3 oils
- Unlike genetically modified (GM) plants, GE crops contain no 'foreign' DNA
- Instead their genome is changed in ways that could have happened naturally
'Highly-experimental' gene-edited crops are set to be sown in Hertfordshire in a UK first this month after scientists exploited a legal loophole.
The field trial will investigate whether genetic engineering can produce super-crops rich in omega 3 oils to boost production of the food supplement.
The government has approved the farming of gene-edited (GE) Camelina oilseed crops because, unlike genetically modified (GM) plants, they contain no 'foreign' DNA from other species.
Instead their genome is changed in ways that could have happened naturally or through traditional selective breeding methods.
However, green campaigners claim growing genetically engineered crops in fields risks reducing crop biodiversity and damaging the local ecosystem.
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The Government has approved the farming of gene-edited (GE) Camelina oilseed crops Scientists plan to sow the UK's first GE crops in Hertfordshire this month. Pictured is a GE Camelina oilseed crop grown by the team in a laboratory greenhouse
The decision was made as the European Court of Justice prepares to decide whether EU nations should treat GE plants as conventional or GM crops, according to the Telegraph.
Critics have accused Defra (Department of Environment, Food and Rural Affairs) of jumping the gun on a decision that could see GM-style regulation of GE plants.
Like traditional crop breeding, genome editing can create new varieties of plants with certain traits.
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GE technology is more accurate than conventional natural breeding and can cut development times from decades to months.
Scientists at Rothamsted Research hope their trial will pave the way for a more sustainable way to produce omega 3 fish oil, a popular food supplement.
They argue the research could help Britain maintain its fish oil reserves as ocean stocks dwindle, and help the country get a head start on GE technologies.
The experimental trial will investigate whether genetic engineering can produce Camelina oilseed crops (file photo) rich in Omega 3 fish oils as part of plans to boost our diets
Experts have previously warned that genetically engineered crops could lead to a reduction in biodiversity.
Farmers in the US have complained that pigs fed with GM plants have experienced stomach problems, though these reports are unconfirmed.
GE crops are produced using CRISPR, a new tool for making precise edits in DNA.
While European scientists have previously produced the crops in a laboratory setting, the trial will be the first time they have been sown in a field on the continent.
Professor Johnathan Napier, who is leading the trial at Rothamsted research centre, said: 'The field trials will allow us to assess how we might use CRISPR in tandem with the GM gene constructs that we have designed, tested and developed at Rothamsted.
'Both technologies could have a huge impact on the sustainable intensification of agriculture for the benefit of all.'
While European scientists have previously produced the crops in a laboratory setting, the trial will be the first time they have been sown in a field on the continent (stock image)
The CRISPR editing technique used by the team used GM technology.
Scientists used a protein from a different species to alter the Camelina's DNA, but none of this protein or its DNA remains in the final crop.
Because the crops will contain no foreign DNA, the government's scientific advisory committee ruled they could be treated as conventional plants.
WHAT IS CRISPR-CAS9?
Crispr-Cas9 is a tool for making precise edits in DNA, discovered in bacteria.
The acronym stands for 'Clustered Regularly Inter-Spaced Palindromic Repeats'.
The technique involves a DNA cutting enzyme and a small tag which tells the enzyme where to cut.
The CRISPR/Cas9 technique uses tags which identify the location of the mutation, and an enzyme, which acts as tiny scissors, to cut DNA in a precise place, allowing small portions of a gene to be removed
By editing this tag, scientists are able to target the enzyme to specific regions of DNA and make precise cuts, wherever they like.
It has been used to 'silence' genes - effectively switching them off.
When cellular machinery repairs the DNA break, it removes a small snip of DNA.
In this way, researchers can precisely turn off specific genes in the genome.
The approach has been used previously to edit the HBB gene responsible for a condition called β-thalassaemia.
Defra Minister George Eustice wrote in a parliamentary statement in March: 'Where gene editing results in an organism with DNA from a different species it will be regulated under the controls for genetically modified organisms.
'However, the government's view is that specific regulation of this technology is not required where the induced genetic change could have occurred naturally or been achieved through traditional breeding methods.'
Critics argue the decision is pre-empting the EU's decision on the legal status of GE crops in Europe.
Scientists at Rothamsted Research near Harpenden in Hertfordshire hope their trial will pave the way for a more sustainable way to produce omega 3 fish oil, a popular food supplement
Liz O'Neil, director of the campaign group GM Freeze, told the Telegraph: 'Instead of putting public health and the environment first, Defra has handed out a free pass to plant highly experimental genetically engineered crops in open fields without a proper risk assessment.'
The US, Brazil, Canada and Argentina have indicated they will exempt GE crops that do not contain foreign DNA from GM regulations.
The European Commission is waiting for a judgement from the European court.
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