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Scientists map UK ash tree genome Scientists map UK ash tree genome
(1 day later)
UK scientists have mapped the genome of the British ash tree, in research to find a way to protect woodlands from a deadly fungus.UK scientists have mapped the genome of the British ash tree, in research to find a way to protect woodlands from a deadly fungus.
The data has been released on the internet for use by the global scientific community.The data has been released on the internet for use by the global scientific community.
The ash tree genome map is the latest advance in fighting Chalara, which causes ash dieback.The ash tree genome map is the latest advance in fighting Chalara, which causes ash dieback.
According to new figures, ash dieback is spreading rapidly in Britain and has been found in more than 200 woods.According to new figures, ash dieback is spreading rapidly in Britain and has been found in more than 200 woods.
Evidence from continental Europe suggests that as many as 90% of ash trees could eventually die from the infection.Evidence from continental Europe suggests that as many as 90% of ash trees could eventually die from the infection.
Scientists are searching for genetic clues to why some trees appear to be able to survive.Scientists are searching for genetic clues to why some trees appear to be able to survive.
A team at Queen Mary University of London, has mapped the genome of a native ash tree for the first time, as part of the research.A team at Queen Mary University of London, has mapped the genome of a native ash tree for the first time, as part of the research.
The tree came from a wood in Gloucestershire owned by the Earth Trust.The tree came from a wood in Gloucestershire owned by the Earth Trust.
Dr Richard Buggs of Queen Mary University of London, said it was a big leap forward.Dr Richard Buggs of Queen Mary University of London, said it was a big leap forward.
He told the BBC: "This is the best available sequence for ash - and it is therefore a very good reference for anyone working on anything to do with ash trees."He told the BBC: "This is the best available sequence for ash - and it is therefore a very good reference for anyone working on anything to do with ash trees."
In June, the DNA sequence of a Danish ash tree with resistance to the disease was revealed by a team at the Sainsbury Laboratory (TSL) and the John Innes Centre in Norwich.In June, the DNA sequence of a Danish ash tree with resistance to the disease was revealed by a team at the Sainsbury Laboratory (TSL) and the John Innes Centre in Norwich.
They have also sequenced the DNA of the fungus.They have also sequenced the DNA of the fungus.
An online game, Fraxinus, which the public can use to help scientists improve their data analysis, has been launched by the Norwich team.An online game, Fraxinus, which the public can use to help scientists improve their data analysis, has been launched by the Norwich team.
It has been played by nearly 20,000 people from more than 100 countries.It has been played by nearly 20,000 people from more than 100 countries.
The long-term goal is to map the genes that give a minority of ash trees resistance to the pathogen.The long-term goal is to map the genes that give a minority of ash trees resistance to the pathogen.
Nursery stockNursery stock
"The genome sequencing work is really increasing the number of genetic variants we've identified, which will help us to associate sources of variation in the tree with the genetics," said Dr Dan MacLean of TSL."The genome sequencing work is really increasing the number of genetic variants we've identified, which will help us to associate sources of variation in the tree with the genetics," said Dr Dan MacLean of TSL.
Ash dieback was first discovered in the UK in February 2012 in an import of nursery stock.Ash dieback was first discovered in the UK in February 2012 in an import of nursery stock.
In the autumn, a small number of cases were discovered in ash trees in established woodland in Norfolk and Suffolk.In the autumn, a small number of cases were discovered in ash trees in established woodland in Norfolk and Suffolk.
Forests in the south and east are among the worst affected, and the disease has now spread to woodland and nurseries across the UK, according to the Forestry Commission.Forests in the south and east are among the worst affected, and the disease has now spread to woodland and nurseries across the UK, according to the Forestry Commission.
More details of the ash genome sequencing work and an interview with Dr Richard Buggs can be heard at 11:00 on BBC Radio 4 on Friday, 27 September. More details of the ash genome sequencing work and an interview with Dr Richard Buggs can be heard at 1100 BST on BBC Radio 4 on Friday, 27 September. Ashes to Ashes is presented by Professor Adam Hart and produced by Ania Lichtarowicz.