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

Dave Westhead, Leukaemia & Lymphoma Research Leukaemia & Lymphoma Research (Sep 2015), £430,567

Samit Chakrabarty, Ronaldo Ichiyama, Intl Foundn for Research in Paraplegia (Aug 2015), £93,000

Anastasia Zhuravleva, BBSRC (Jul 2015), £483,019

Alex O'Neill, MRC (Jul 2015), £249,822

Ade Whitehouse, Richard Foster, Cancer Research UK (Jul 2015), £201,034

Ronaldo Ichiyama, Jim Deuchars, Sue Deuchars, Wings For Life Spinal Cord Research (Jul 2015), £123,895

Martin Stacey and colleagues in FMH, MRC (Jun 2015), £426,475

Elwyn Isaac, EU (Jun 2015), £238,915

David Brockwell, Sheena Radford, Innovate UK (Jun 2015), £113,378

Michelle Peckham, Peter Knight, Thomas Edwards, BBSRC (May 2015), £404,987

Michelle Peckham, Ed White, Peter Knight, BHF (May 2015), £208,184

Steve Clapcote, Vitaflo International Ltd (May 2015), £33,703

Les Firbank, Joe Holden, Pippa Chapman, NERC (Apr 2015), £388,726

Samit Chakrabarty, David Steenson, BBSRC (Apr 2015), £120,103

Paul Millner, Gin Jose, Sarah Aickin, DSTL Porton Down (Apr 2015), £63,407

Chris Hassell, David Lewis, The Physiological Society (Apr 2015), £6,900

Andrew Tuplin, Royal Society (Mar 2015), £15,000

Yoselin Benitez-Alfonso, Royal Society (Mar 2015), £14,770

Patricija Van Oosten-Hawle, Royal Society (Mar 2015), £13,960

Stuart Egginton, BHF (Mar 2015), £272,979

Keith Hamer, Department of Energy & Climate Change (Mar 2015), £58,066

Andrew Macdonald, Yorkshire Kidney Research Fund (Mar 2015), £41,171

Les Firbank, DEFRA Dept for Env. Food & Rural Affairs (Feb 2015), £20,000

Ian Hope, Marie-Anne Shaw, BBSRC (Jan 2015), £381,998

Paul Knox, BBSRC (Jan 2015), £5,000

Andrew Peel, BBSRC (Jan 2015), £359,077

Christine Foyer, BBSRC (Jan 2015), £408,334

Dave Westhead and colleagues in Experimental Haematology, Cancer Research UK (Jan 2015), £700,521

Mike McPherson, Christoph Walti, DSTL Porton Down (Jan 2015), £625,125

Sheena Radford, Mark Harris, Peter Stockley, Alan Berry, Alex O'Neill, Thomas Edwards, Adrian Goldman, Anastasia Zhuravleva, Wellcome Trust (Jan 2015), £443,015

Alison Ashcroft, Peter Stockley, Sheena Radford, Nicola Stonehouse, David Brockwell, Darren Tomlinson, BBSRC (Jan 2015), £340,937

Bill Kunin, EU (Jan 2015), £157,490

John Colyer, Leeds Teaching Hospitals Charitable Fund (Jan 2015), £40,000

Chris Hassall, Royal Society (Dec 2014), £14,500

Ryan Seipke, Royal Society (Nov 2014), £13,700

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

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

Ian Hope, Marie-Anne Shaw, BBSRC (Oct 2014), £396,565

Alison Ashcroft, Peter Stckley, Sheena Radford, Nic Stonehouse, David Brockwell, Darren Tomlinson, BBSRC (Oct 2014), £340,937

Les Firbank, Joe Holden, BBSRC (Oct 2014), £210,302

Darren Tomlinson and colleagues in Chemistry and Pathology, anatomy and Tumour Biology, Dr Hadwen Trusy (Oct 2014), £194,475

Paul Knox, EU (Oct 2014), £167,229

Martin Stacey and colleagues in Medicine & Health, Pfizer (Oct 2014), £90,453

Darren Tomlinson and colleagues in Experimental Oncology, YCR (Oct 2014), £69,480

Andrew Macdonald, Jamel Mankouri, Kidney Research Fund UK (Oct 2014), £58,878

Mike McPherson and colleagues in Dentistry and Engineering, Wellcome Trust (Oct 2014), £58,437

Dave Westhead and colleagues in Experimental Haemotology, Leukaemia & Lymphoma Research (Sep 2014), £281,424

Emmanuel Paci and colleagues in Chemistry, BBSRC (Sep 2014), £636,759

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

Lars Jeuken, Stephen Evans, BBSRC (Sep 2014), £333,684

Michelle Peckham, Mark Harris, Rao Sivaprasadarao, Eileen Ingham, Nic Stonehouse, Nikita Gamper, Wellcome Trust (Sep 2014), £192,763

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

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