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Arabidopsis late blight: Infection of a nonhost plant by Albugo laibachii enables full colonization by Phytophthora infestans

Khaoula Belhaj, Liliana M. Cano, David C. Prince, Ariane Kemen, Kentaro Yoshida, Yasin F. Dagdas, Graham J. Etherington, Henk-jan Schoonbeek, H. Peter van Esse, Jonathan D.G. Jones, View ORCID ProfileSophien Kamoun, View ORCID ProfileSebastian Schornack
doi: https://doi.org/10.1101/035006
Khaoula Belhaj
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
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Liliana M. Cano
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
2Department of Plant Pathology, North Carolina State University, Raleigh, USA.
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David C. Prince
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
3School of Biological Sciences, University of East Anglia, Norwich, United Kingdom.
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Ariane Kemen
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
4Max Planck Institute for Plant Breeding Research, Cologne, Germany.
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Kentaro Yoshida
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
5Organization of Advanced Science and Technology, Kobe University, Kobe, Hyogo, Japan.
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Yasin F. Dagdas
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
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Graham J. Etherington
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
6The Genome Analysis Centre, Norwich Research Park, Norwich, United Kingdom.
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Henk-jan Schoonbeek
7Department of Crop Genetics, John Innes Centre, Norwich Research Park, Norwich, United Kingdom.
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H. Peter van Esse
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
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Jonathan D.G. Jones
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
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Sophien Kamoun
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
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  • ORCID record for Sophien Kamoun
  • For correspondence: sophien.kamoun@tsl.ac.uk sebastian.schornack@slcu.cam.ac.uk
Sebastian Schornack
1The Sainsbury Laboratory, Norwich Research Park, Norwich, United Kingdom.
8Sainsbury Laboratory, University of Cambridge, Cambridge, United Kingdom
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  • ORCID record for Sebastian Schornack
  • For correspondence: sophien.kamoun@tsl.ac.uk sebastian.schornack@slcu.cam.ac.uk
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Abstract

The oomycete pathogen Phytophthora infestans causes potato late blight, and as a potato and tomato specialist pathogen, is seemingly poorly adapted to infect plants outside the Solanaceae. Here, we report the unexpected finding that P. infestans can infect Arabidopsis thaliana when another oomycete pathogen, Albugo laibachii, has colonized the host plant. The behaviour and speed of P. infestans infection in Arabidopsis pre-infected with A. laibachii resemble P. infestans infection of susceptible potato plants. Transcriptional profiling of P. infestans genes during infection revealed a significant overlap in the sets of secreted-protein genes that are induced in P. infestans upon colonisation of potato and susceptible Arabidopsis, suggesting major similarities in P. infestans gene expression dynamics on the two plant species. Furthermore, we found haustoria of A. laibachii and P. infestans within the same Arabidopsis cells. This Arabidopsis - A. laibachii - P. infestans tripartite interaction opens up various possibilities to dissect the molecular mechanisms of P. infestans infection and the processes occurring in co-infected Arabidopsis cells.

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Posted December 23, 2015.
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Arabidopsis late blight: Infection of a nonhost plant by Albugo laibachii enables full colonization by Phytophthora infestans
Khaoula Belhaj, Liliana M. Cano, David C. Prince, Ariane Kemen, Kentaro Yoshida, Yasin F. Dagdas, Graham J. Etherington, Henk-jan Schoonbeek, H. Peter van Esse, Jonathan D.G. Jones, Sophien Kamoun, Sebastian Schornack
bioRxiv 035006; doi: https://doi.org/10.1101/035006
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Arabidopsis late blight: Infection of a nonhost plant by Albugo laibachii enables full colonization by Phytophthora infestans
Khaoula Belhaj, Liliana M. Cano, David C. Prince, Ariane Kemen, Kentaro Yoshida, Yasin F. Dagdas, Graham J. Etherington, Henk-jan Schoonbeek, H. Peter van Esse, Jonathan D.G. Jones, Sophien Kamoun, Sebastian Schornack
bioRxiv 035006; doi: https://doi.org/10.1101/035006

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