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United Kingdom - £400,000 to build mutant potato ‘library’


United Kingdom
July 8, 2013

  • BBSRC approves £382,000 to fund research into genetics of potato - the world's third most important crop
  • Project at the James Hutton Institute will create world's first library of potato plant mutants, which could be used to breed improved varieties

BBSRC has agreed to fund a £382,000 project to study genetic mutation in potato; which could lead to improved varieties of one of the world's most important foods.

After wheat and rice, potato is the world's third most important food crop. By 2020 it is estimated that more than two billion people worldwide will depend on potato for food, feed, or income.

Despite this, the genetic study of potato has lagged behind many other plant crops. This three year project will develop the first 'library' of potato mutants which can be used as a resource for further genetics research and development of agriculturally valuable strains.

Dr Glenn Bryan from the James Hutton Institute in Dundee, Scotland, will lead the project.

He said: "Potato, despite its global importance as a crop, has never been subjected to the same types of mutational analysis as models and other crop plants. By making a library of mutants and using the genome sequence we can make great progress in understanding potato traits.

Dr Bryan said: "This is a very exciting time. We have some nice preliminary data but the grant allows us to do this on a much larger scale and I am excited to see our first mutant panel being developed in the near future. This should lead to several new collaborative links."

For any plant or animal some mutation of the genetic code occurs naturally, and in plant crops any resulting changes in the function of one or more genes can result in beneficial traits.

Developing mutants with desirable traits can therefore be a useful tool for crop scientists looking to breed those characteristics into a plant population.

However in potato this can be difficult as many species are 'tetraploid', meaning they have four copies of each gene, whereas most plants and animals only have two copies. Creating a potato plant that has a mutated version of all four copies of any one gene is extremely hard.

But Dr Bryan's team plan to use a 'diploid' species of potato, with two copies of genes, called Solanum verrucosum for their work.

They plan to create plants with two copies of various mutant genes, as the first ever mutant collection of potato: a valuable research tool in genetic studies.

The mutant panel will be assessed for variation in traits relevant to potato breeding such as; tuber characteristics, plant architecture traits, and tuber sprouting and a panel of around 100 interesting mutants will be selected for further study.

In pilot experiments some interesting mutants have been identified and these will be studied as part of the grant to test a new approach for isolating mutated genes.

About the James Hutton Institute

The James Hutton Institute is a world-leading, multi-site scientific organisation encompassing a distinctive range of integrated strengths in land, crop, waters, environmental and socio-economic science. It undertakes research for customers including the Scottish and UK Governments, the EU and other organisations worldwide. The institute has a staff of nearly 600 and 125 PhD students.

The Institute organises its research through seven principal themes: Safeguarding Natural Capital, Enhancing Crop Productivity and Utilisation, Delivering Sustainable Production Systems, Controlling Weeds, Pests and Diseases, Managing Catchments and Coasts, Realising Land's Potential and Nurturing Vibrant and Low Carbon Communities.

The James Hutton Institute operates commercial subsidiaries. Macaulay Scientific Consulting (MSC) Ltd is a leading environmental consultancy centre offering unparalleled experience in soil and water consultancy, and land evaluation. Mylnefield Research Services (MRS) Ltd undertakes contract research, especially plant breeding, licenses plant varieties internationally and delivers analytical services. The Institute takes its name from the 18th century Scottish Enlightenment scientist, James Hutton, who is widely regarded as the founder of modern geology and who was also an experimental farmer and agronomist.

For more information about the James Hutton Institute see: www.hutton.ac.uk

About BBSRC

BBSRC invests in world-class bioscience research and training on behalf of the UK public. Our aim is to further scientific knowledge, to promote economic growth, wealth and job creation and to improve quality of life in the UK and beyond.

Funded by Government, and with an annual budget of around £500M (2012-2013), we support research and training in universities and strategically funded institutes. BBSRC research and the people we fund are helping society to meet major challenges, including food security, green energy and healthier, longer lives. Our investments underpin important UK economic sectors, such as farming, food, industrial biotechnology and pharmaceuticals.

For more information about BBSRC, our science and our impact see: www.bbsrc.ac.uk .
For more information about BBSRC strategically funded institutes see:
www.bbsrc.ac.uk/institutes .



More news from:
    . BBSRC (Biotechnology and Biological Sciences Research Council)
    . James Hutton Institute


Website: http://www.bbsrc.ac.uk

Published: July 8, 2013

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