Faculty of Biological Sciences

Research Bulletin

Feline friends?

6th September 2012

A report showing that 350,000 people in the UK become infected with the Toxoplasma parasite each year has raised new concerns about its risks and has prompted a rethink of the dangers posed by cats.

A link between serious mental disorders, including schizophrenia, and the parasite, which is spread by cats, was observed, but studies reported in 2009 and extended in 2011 by a team from the University of Leeds' Faculty of Biological Sciences led by Dr Glenn McConkey provided key genetic evidence that the parasite Toxoplasma gondii could change production of dopamine in the brain.

Disruption of dopamine regulation is believed to be involved in a number of human psychological issues.

The work helped trigger a Food Standards Agency (FSA) review of the threat posed by Toxoplasma that reported this week and attracted wide media interest.

The FSA's Advisory Committee on the Microbiological Safety of Food (ACMSF) recommended further research into routes of Toxoplasma transmission and identification of risks of infection.

Toxoplasmosis is relatively common, with 10-20% of the UK population thought to carry the parasite as cysts. Most people with the parasite do not suffer apparent health problems. However, the impact on high risk groups including unborn children and people with immune deficiencies means that Toxoplasma ranks second among food pathogens in terms of its impact on public health.


Recent Grants

Alan Berry, Wellcome Trust (Oct 2014), £749,865

Paul Knox, EU (Oct 2014), £167,229

Andrew Peel, BBSRC (Sep 2014), £371,598

Lars Jeuken, BBSRC (Sep 2014), £313,463

Neil Ranson, BBSRC (Aug 2014), £355,253

Stuart Egginton, BHF (Aug 2014), £271,094

Darren Tomlinson, Mike McPherson, Technology Strategy Board (Aug 2014), £98,665

Peter Henderson, Leverhulme Trust (Aug 2014), £15,222

Mike McPherson (and colleagues in the School of Chemistry), EPSRC (Jul 2014), £819,880

Peter Stockley, Neil Ranson, BBSRC (Jul 2014), £455,787

Sheena Radford, Univesity of Michigan (Jul 2014), £138,452

Ryan Seipke, British Society Antimicrobial Chemistry (Jun 2014), £11,960

John Trinick, BHF (Jun 2014), £222,614

Chris West, Leverhulme Trust (Jun 2014), £181,241

Jon Lippiat, Darren Tomlinson, BBSRC (May 2014), £125,174

Christine Foyer, Royal Society (May 2014), £24,000

David Brockwell, Sheena Radford, Medimmune Ltd (Apr 2014), £337,661

Peter Stockley, Wellcome Trust (Apr 2014), £251,019

Mike McPherson, Wellcome Trust (Apr 2014), £146,596

Andrew Macdonald, Kidney Research Fund UK (Apr 2014), £127,237

Elwyn Isaac, DEFRA (Apr 2014), £126,512

Mike McPherson (and colleagues in School of Design), Technology Strategy Board (Apr 2014), £114,350

Paul Millner, Peter Stockley, Darren Tomlinson, YCR (Apr 2014), £95,874

Carrie Ferguson, Karen Birch, Shaunna Burke, Heart Research UK (Apr 2014), £60,140

Tim Benton, Technology Strategy Board (Apr 2014), £24,969

Bill Kunin, Technology Strategy Board (Apr 2014), £21,244

Dave Westhead, MRC (Apr 2014), £18,304

Brendan Davies, BBSRC (Mar 2014), £451,829

Jim Deuchars, MRC (Mar 2014), £300,000

Urwin, Howard Atkinson, British Potato Council (Mar 2014), £69,953

Adam Kupinski, Children with Cancer (Mar 2014), £50,000

Anastasia Zhuravleva, Royal Society (Mar 2014), £14,973

Urwin, Howard Atkinson, Agriculture & Horticulture Develpmnt Brd (Mar 2014), £13,990

Alison Baker, Steve Baldwin, BBSRC (Feb 2014), £403,439

Sarah Zylinski, BBSRC (Feb 2014), £355,869

Dave Lewis, Nigel Hooper, Tony Turner, Hugh Pearson, James Duce, Alzheimer's Society (Feb 2014), £29,871

Ronaldo Ichyama, Samit Chakrabarty, International Spinal Research Trust (Jan 2014), £304,600

Brendan Davies, BBSRC/Bayer Crop Science SA-NV (Jan 2014), £470,053

Adrian Goldman, Steve Baldwin, Stephen Muench, Thomas Edwards, Arwen Pearson , BBSRC (Jan 2014), £467,103

Stefan Kepinski, BBSRC (Jan 2014), £359,269

Elwyn Isaac, EU (Jan 2014), £179,445

Dave Westhead, Leukaemia & Lymphoma Research (Jan 2014), £105,937

Eileen Ingham, Joanne Tipper, Depuy International Ltd (Jan 2014), £48,121

John Barr, Thomas Edwards, MRC (Dec 2013), £469,505

Alex O'Neill, MRC (Dec 2013), £349,017

Tim Benton, NERC (Dec 2013), £31,422

Darren Tomlinson, Yorkshire Cancer Research (Nov 2013), £142,334

Nikita Gamper, MRC (Nov 2013), £336,563

Keith Hamer, Alison Dunn, NERC (Nov 2013), £47,233

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