Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 109360
Title Mapping of avirulence genes in Phytophthora infestans with amplified fragment length polymorphism markers selected by bulked segregant analysis
Author(s) Lee, T. van der; Robold, A.; Testa, A.; Klooster, J.W. van 't; Govers, F.
Source Genetics 157 (2001). - ISSN 0016-6731 - p. 949 - 956.
Department(s) Laboratory of Phytopathology
Plant Research International
Publication type Refereed Article in a scientific journal
Publication year 2001
Abstract In this study we investigated the genetic control of avirulence in the diploid oomycete pathogen Phytophthora infestans, the causal agent of late blight on potato. The dominant avirulence (Avr) genes matched six race-specific resistance genes introgressed in potato from a wild Solanum species. AFLP markers linked to Avr genes were selected by bulked segregant analysis and used to construct two high-density linkage maps, one containing Avr4 (located on linkage group A2-a) and the other containing a cluster of three tightly linked genes, Avr3, Avr10, and Avr11 (located on linkage group VIII). Bulked segregant analysis also resulted in a marker linked to Avr1 and this allowed positioning of Avr1 on linkage group IV. No bulked segregant analysis was performed for Avr2, but linkage to a set of random markers placed Avr2 on linkage group VI. Of the six Avr genes, five were located on the most distal part of the linkage group, possibly close to the telomere. The high-density mapping was initiated to facilitate future positional cloning of P. infestans Avr genes.
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