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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14411
|2 doi
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|a pubmed24n0893.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Rouxel, Thierry
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Life, death and rebirth of avirulence effectors in a fungal pathogen of Brassica crops, Leptosphaeria maculans
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 22.02.2018
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|a Date Revised 11.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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| 520 |
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|a Contents 526 I. 526 II. 527 III. 527 IV. 529 V. 529 VI. 530 VII. 530 531 References 531 SUMMARY: In agricultural systems, major (R) genes for resistance in plants exert strong selection pressure on cognate/corresponding avirulence effector genes of phytopathogens. However, a complex interplay often exists between trade-offs linked to effector function and the need to escape R gene recognition. Here, using the Leptosphaeria maculans-oilseed rape pathosystem we review evolution of effectors submitted to multiple resistance gene selection. Characteristics of this pathosystem include a crop in which resistance genes have been deployed intensively resulting in 'boom and bust' cycles; a fungal pathogen with a high adaptive potential in which seven avirulence genes are cloned and for which population surveys have been coupled with molecular analysis of events responsible for virulence. The mode of evolution of avirulence genes, all located in dispensable parts of the 'two-speed' genome, is a highly dynamic gene-specific process. In some instances, avirulence genes are readily deleted under selection. However, others, even when located in the most plastic genome regions, undergo only limited point mutations or their avirulence phenotype is 'camouflaged' by another avirulence gene. Thus, while hundreds of effector genes are present, some effectors are likely to have an important and nonredundant function, suggesting functional redundancy and dispensability of effectors might not be the rule
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| 650 |
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|a Journal Article
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| 650 |
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|a Review
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| 650 |
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4 |
|a Leptosphaeria maculans
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| 650 |
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4 |
|a adaptation
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| 650 |
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4 |
|a avirulence effectors
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| 650 |
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4 |
|a phytopathogenic fungi
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| 650 |
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4 |
|a resistance
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| 700 |
1 |
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|a Balesdent, Marie-Hélène
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 214(2017), 2 vom: 04. Apr., Seite 526-532
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:214
|g year:2017
|g number:2
|g day:04
|g month:04
|g pages:526-532
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/nph.14411
|3 Volltext
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