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dc.contributor.authorSacristán, Soledad
dc.contributor.authorGoss, Erica M
dc.contributor.authorEves-van den Akker, Sebastian
dc.date.accessioned2021-03-09T00:31:30Z
dc.date.available2021-03-09T00:31:30Z
dc.date.issued2021-06
dc.identifier.issn0894-0282
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/318546
dc.description.abstractThis article is part of the Top 10 Unanswered Questions in MPMI invited review series.We consider the state of knowledge on pathogen evolution of novel virulence activities, broadly defined as anything that increases pathogen fitness with the consequence of causing disease in either the qualitative or quantitative senses, including adaptation of pathogens to host immunity and physiology, host species, genotypes, or tissues, or the environment. The evolution of novel virulence activities as an adaptive trait is based on the selection exerted by hosts on variants that have been generated de novo or arrived from elsewhere. In addition, the biotic and abiotic environment a pathogen experiences beyond the host may influence pathogen virulence activities. We consider host-pathogen evolution, host range expansion, and external factors that can mediate pathogen evolution. We then discuss the mechanisms by which pathogens generate and recombine the genetic variation that leads to novel virulence activities, including DNA point mutation, transposable element activity, gene duplication and neofunctionalization, and genetic exchange. In summary, if there is an (epi)genetic mechanism that can create variation in the genome, it will be used by pathogens to evolve virulence factors. Our knowledge of virulence evolution has been biased by pathogen evolution in response to major gene resistance, leaving other virulence activities underexplored. Understanding the key driving forces that give rise to novel virulence activities and the integration of evolutionary concepts and methods with mechanistic research on plant-microbe interactions can help inform crop protection.[Formula: see text] Copyright © 2021 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
dc.format.mediumPrint-Electronic
dc.languageeng
dc.publisherScientific Societies
dc.rightsAll rights reserved
dc.subjectAdaptation, Physiological
dc.subjectVirulence
dc.subjectPhenotype
dc.subjectHost-Pathogen Interactions
dc.titleHow Do Pathogens Evolve Novel Virulence Activities?
dc.typeArticle
prism.endingPage586
prism.issueIdentifier6
prism.publicationDate2021
prism.publicationNameMol Plant Microbe Interact
prism.startingPage576
prism.volume34
dc.identifier.doi10.17863/CAM.65660
rioxxterms.versionofrecord10.1094/MPMI-09-20-0258-IA
rioxxterms.versionAM
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2021-06
dc.contributor.orcidGoss, Erica M [0000-0003-3512-2107]
dc.contributor.orcidEves-van den Akker, Sebastian [0000-0002-8833-9679]
dc.identifier.eissn1943-7706
rioxxterms.typeJournal Article/Review
pubs.funder-project-idBiotechnology and Biological Sciences Research Council (BB/R011311/1)
pubs.funder-project-idEuropean Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (833420)
pubs.funder-project-idBiotechnology and Biological Sciences Research Council (BB/S006397/1)
cam.issuedOnline2021-07-23


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