2018
DOI: 10.1038/s41477-018-0236-4
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Abstract: Crop diseases reduce wheat yields by ~25% globally and thus pose a major threat to global food security. Genetic resistance can reduce crop losses in the field and can be selected through the use of molecular markers. However, genetic resistance often breaks down following changes in pathogen virulence, as experienced with the wheat yellow (stripe) rust fungus Puccinia striiformis f. sp. tritici (Pst). This highlights the need to (1) identify genes that, alone or in combination, provide broad-spectrum resistan… Show more

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Cited by 193 publications
(152 citation statements)
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References 48 publications
(62 reference statements)
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“…For example, in rice and Arabidopsis, 71% and 76% of NBS-LRR genes were located within RGA gene-rich clusters, respectively Zhou et al, 2004). In addition, Yr genes responsible for resistance against wheat yellow rust were found to be clustered (Marchal et al, 2018). NBS-LRR-encoding genes are frequently clustered in the genome, as a result of both segmental and tandem duplications (Leister, 2004).…”
Section: Discussionmentioning
confidence: 99%
“…For example, in rice and Arabidopsis, 71% and 76% of NBS-LRR genes were located within RGA gene-rich clusters, respectively Zhou et al, 2004). In addition, Yr genes responsible for resistance against wheat yellow rust were found to be clustered (Marchal et al, 2018). NBS-LRR-encoding genes are frequently clustered in the genome, as a result of both segmental and tandem duplications (Leister, 2004).…”
Section: Discussionmentioning
confidence: 99%
“…As more Pst resistance genes and QTL are cloned, the precise relationship between linked QTL will be unequivocally established. A good example is the recent cloning of Yr5 on chromosome arm 2BL, which established that Yr5 and YrSp are allelic, and that Yr7 is a related but different gene (Marchal et al, 2018).…”
Section: Breeding Applicationsmentioning
confidence: 99%
“…These proteins recognize pathogen effectors (or the modified host proteins) and trigger either hypersensitive reactions (Periyannan et al, 2013;Saintenac et al, 2013;Mago et al, 2015;Steuernagel et al, 2016;Marchal et al, 2018) or the coordinated upregulation of Pathogenesis-related (PR) genes that reduce pathogen growth Chen et al, 2018). All-stage resistance genes (also called major or seedling resistance genes) are effective starting at early stages of plant development and typically encode nucleotide binding site-leucine-rich repeat (NBS-LRR) resistance proteins.…”
mentioning
confidence: 99%
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“…Therefore, identifying new YR resistance genes and their associated molecular makers is of great interest in breeding programs using marker assisted selection (Gardiner et al ., 2016; Johnson, 1992). Two major YR resistance genes, Yr5 and Yr7 , were identified in wheat and mapped to the long arm of chromosome 2B (Marchal et al ., 2018; Zhang et al ., 2009). Intercrossing Yr5 and Yr7 near-isogenic lines (NILs) in the genetic background of Avocet S (AVS) revealed distinct segregation patterns for each gene, indicating probable allelism.…”
Section: Introductionmentioning
confidence: 99%