Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.

Populus species are currently being domesticated through intensive time- and resource-dependent programs for utilization in phytoremediation, wood and paper products, and conversion to biofuels. Poplar leaf rust disease can greatly reduce wood volume. Genetic resistance is effective in reducing econ...

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Autores principales:	Jonathan La Mantia, Jaroslav Klápště, Yousry A El-Kassaby, Shofiul Azam, Robert D Guy, Carl J Douglas, Shawn D Mansfield, Richard Hamelin
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/769255ee679a477bb2c0eaf9ad233bd8
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spelling	oai:doaj.org-article:769255ee679a477bb2c0eaf9ad233bd82021-11-18T08:46:57ZAssociation analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.1932-620310.1371/journal.pone.0078423https://doaj.org/article/769255ee679a477bb2c0eaf9ad233bd82013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24236018/?tool=EBIhttps://doaj.org/toc/1932-6203Populus species are currently being domesticated through intensive time- and resource-dependent programs for utilization in phytoremediation, wood and paper products, and conversion to biofuels. Poplar leaf rust disease can greatly reduce wood volume. Genetic resistance is effective in reducing economic losses but major resistance loci have been race-specific and can be readily defeated by the pathogen. Developing durable disease resistance requires the identification of non-race-specific loci. In the presented study, area under the disease progress curve was calculated from natural infection of Melampsora ×columbiana in three consecutive years. Association analysis was performed using 412 P. trichocarpa clones genotyped with 29,355 SNPs covering 3,543 genes. We found 40 SNPs within 26 unique genes significantly associated (permutated P<0.05) with poplar rust severity. Moreover, two SNPs were repeated in all three years suggesting non-race-specificity and three additional SNPs were differentially expressed in other poplar rust interactions. These five SNPs were found in genes that have orthologs in Arabidopsis with functionality in pathogen induced transcriptome reprogramming, Ca²⁺/calmodulin and salicylic acid signaling, and tolerance to reactive oxygen species. The additive effect of non-R gene functional variants may constitute high levels of durable poplar leaf rust resistance. Therefore, these findings are of significance for speeding the genetic improvement of this long-lived, economically important organism.Jonathan La MantiaJaroslav KlápštěYousry A El-KassabyShofiul AzamRobert D GuyCarl J DouglasShawn D MansfieldRichard HamelinPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 11, p e78423 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jonathan La Mantia Jaroslav Klápště Yousry A El-Kassaby Shofiul Azam Robert D Guy Carl J Douglas Shawn D Mansfield Richard Hamelin Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.
description	Populus species are currently being domesticated through intensive time- and resource-dependent programs for utilization in phytoremediation, wood and paper products, and conversion to biofuels. Poplar leaf rust disease can greatly reduce wood volume. Genetic resistance is effective in reducing economic losses but major resistance loci have been race-specific and can be readily defeated by the pathogen. Developing durable disease resistance requires the identification of non-race-specific loci. In the presented study, area under the disease progress curve was calculated from natural infection of Melampsora ×columbiana in three consecutive years. Association analysis was performed using 412 P. trichocarpa clones genotyped with 29,355 SNPs covering 3,543 genes. We found 40 SNPs within 26 unique genes significantly associated (permutated P<0.05) with poplar rust severity. Moreover, two SNPs were repeated in all three years suggesting non-race-specificity and three additional SNPs were differentially expressed in other poplar rust interactions. These five SNPs were found in genes that have orthologs in Arabidopsis with functionality in pathogen induced transcriptome reprogramming, Ca²⁺/calmodulin and salicylic acid signaling, and tolerance to reactive oxygen species. The additive effect of non-R gene functional variants may constitute high levels of durable poplar leaf rust resistance. Therefore, these findings are of significance for speeding the genetic improvement of this long-lived, economically important organism.
format	article
author	Jonathan La Mantia Jaroslav Klápště Yousry A El-Kassaby Shofiul Azam Robert D Guy Carl J Douglas Shawn D Mansfield Richard Hamelin
author_facet	Jonathan La Mantia Jaroslav Klápště Yousry A El-Kassaby Shofiul Azam Robert D Guy Carl J Douglas Shawn D Mansfield Richard Hamelin
author_sort	Jonathan La Mantia
title	Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.
title_short	Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.
title_full	Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.
title_fullStr	Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.
title_full_unstemmed	Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.
title_sort	association analysis identifies melampsora ×columbiana poplar leaf rust resistance snps.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/769255ee679a477bb2c0eaf9ad233bd8
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Association analysis identifies Melampsora ×columbiana poplar leaf rust resistance SNPs.

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