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Steve Parratt

  • Dr
  • Postdoctoral Researcher
  • Helsingin yliopisto - University of Helsinki
  • 2PublicationsNumber of items in Steve's My Publications folder on Mendeley.
  • 11Followers

Research interests

SymbiosisEpidemiologyEcologyEvolution

About

I am an evolutionary ecologist with a primary interest in antagonistic species interactions, from heritable reproductive parasites to hyperparasite infections. I am currently a postdotoral research in the lab of DR. Anna-Liisa Laine. I study the epidemiological and evolutionary impacts of hyperparasite infection on a natural pathogen metapopulation. I studied for my Ph.D under Prof. Gregory Hurst at the University of Liverpool. My thesis looked into the transmission and virulence of a male-killing parasite (Arsenophonus nasoniae) in its hymenopteran host (Nasonia vitripennis). Prior to this I worked on insect ecological immunity, context dependant reproductive strategies and bacterial resistance evolution under Prof. Mike Siva-Jothy and Dr Jens Rolff and the University of Sheffield.

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Recent publications

  • Can maternally inherited endosymbionts adapt to a novel host? Direct costs of Spiroplasma infection, but not vertical transmission efficiency, evolve rapidly after horizontal transfer into D. melanogaster

    • Nakayama S
    • Parratt S
    • Hutchence K
    • et al.
    N/AReaders
    N/ACitations
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  • A hyperparasite affects the population dynamics of a wild plant pathogen

    • Tollenaere C
    • Pernechele B
    • Mäkinen H
    • et al.
    N/AReaders
    N/ACitations
    Get full text

Professional experience

Postdoctoral Researcher

Helsingin yliopisto - University of Helsinki

December 2013 - Present

Part time Research Assistant

Animal and Plant Sciences, The University of Sheffield

July 2007 - July 2009(2 years)

Education

Ph.D

University Of Liverpool, UK

October 2009 - Present

MBiolSci Biology

Animal and Plant Sciences, The University of Sheffield

September 2005 - July 2009(4 years)

Colchester Sixth Form College

September 2003 - July 2005(2 years)