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  The role of hybridization in the evolution and emergence of new fungal plant pathogens

Stukenbrock, E. H. (2016). The role of hybridization in the evolution and emergence of new fungal plant pathogens. Phytopathology, 106(2), 104-112. doi:10.1094/PHYTO-08-15-0184-RVW.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-B9E6-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-0A43-0
Genre: Journal Article

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Stukenbrock_2016_.pdf (Preprint), 242KB
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 Creators:
Stukenbrock, Eva H.1, Author              
Affiliations:
1Max Planck Fellow Group Environmental Genomics, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2068284              

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Free keywords: Ascomycota,Basidiomycota,Biological Evolution,Genetic Speciation,Hybridization, Genetic,Plant Diseases,Plants,genetics,microbiology,pathogenicity
 Abstract: Hybridization in fungi has recently been recognized as a major force in the generation of new fungal plant pathogens. These include the grass pathogen Zymoseptoria pseudotritici and the powdery mildew pathogen Blumeria graminis triticale of triticale. Hybridization also plays an important role in the transfer of genetic material between species. This process is termed introgressive hybridization and involves extensive backcrossing between hybrid and the parental species. Introgressive hybridization has contributed substantially to the successful spread of plant pathogens such as Ophiostoma ulmi and O. novo-ulmi, the causal agents of Dutch elm disease, and other tree pathogens such as the rust pathogen Melampsora. Hybridization occurs more readily between species that have previously not coexisted, so-called allopatric species. Reproductive barriers between allopatric species are likely to be more permissive allowing interspecific mating to occur. The bringing together of allopatric species of plant pathogens by global agricultural trade consequently increases the potential for hybridization between pathogen species. In light of global environmental changes, agricultural development, and the facilitated long-distance spread of fungal plant pathogens, hybridization should be considered an important mechanism whereby new pathogens may emerge. Recent studies have gained insight into the genetics and biology of fungal hybrids. Here I summarize current knowledge about hybrid speciation and introgressive hybridization. I propose that future studies will benefit greatly from the availability of large genome data sets and that genome data provide a powerful resource in combination with experimental approaches for analyses of hybrid species.

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Language(s): eng - English
 Dates: 2016-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1094/PHYTO-08-15-0184-RVW
BibTex Citekey: Stukenbrock2016
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Title: Phytopathology
  Other : Phytopathology
Source Genre: Journal
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Publ. Info: St. Paul, Minn., etc. : American Phytopathological Society
Pages: 27 Volume / Issue: 106 (2) Sequence Number: - Start / End Page: 104 - 112 Identifier: ISSN: 0031-949X
CoNE: /journals/resource/954925433418