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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F14%3A00441754%21RIV15-GA0-61389030
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Sr2 was located to a region of 867 kb on chromosome 3B in Hope, which corresponded to a region of 567 kb in Chinese Spring. The Hope Sr2 region carried 34 putative genes but only 17 were annotated in the comparable region of Chinese Spring. The two haplotypes differed by extensive DNA sequence polymorphisms between flanking markers as well as by a major insertion/deletion event including ten Germin-Like Protein (GLP) genes in Hope that were absent in Chinese Spring. Haplotype analysis of a limited number of wheat genotypes of interest showed that all wheat genotypes carrying Sr2 possessed the GLP cluster; while, of those lacking Sr2, some, including Marquis, possessed the cluster, while some lacked it. Thus, this region represents a common presence-absence polymorphism in wheat, with presence of the cluster not correlated with presence of Sr2. Comparison of Hope and Marquis GLP genes on 3BS found no polymorphisms in the coding regions of the ten genes but several SNPs in the shared promoter of one divergently transcribed GLP gene pair and a single SNP downstream of the transcribed region of a second GLP. Physical mapping and sequence comparison showed major haplotype divergence at the Sr2 locus between Hope and Chinese Spring. Candidate genes within the Sr2 region of Hope are being evaluated for the ability to confer stem rust resistance. Based on the detailed mapping and sequencing of the locus, we predict that Sr2 does not belong to the NB-LRR gene family and is not related to previously cloned, race non-specific rust resistance genes Lr34 and Yr36. Sr2 was located to a region of 867 kb on chromosome 3B in Hope, which corresponded to a region of 567 kb in Chinese Spring. The Hope Sr2 region carried 34 putative genes but only 17 were annotated in the comparable region of Chinese Spring. The two haplotypes differed by extensive DNA sequence polymorphisms between flanking markers as well as by a major insertion/deletion event including ten Germin-Like Protein (GLP) genes in Hope that were absent in Chinese Spring. Haplotype analysis of a limited number of wheat genotypes of interest showed that all wheat genotypes carrying Sr2 possessed the GLP cluster; while, of those lacking Sr2, some, including Marquis, possessed the cluster, while some lacked it. Thus, this region represents a common presence-absence polymorphism in wheat, with presence of the cluster not correlated with presence of Sr2. Comparison of Hope and Marquis GLP genes on 3BS found no polymorphisms in the coding regions of the ten genes but several SNPs in the shared promoter of one divergently transcribed GLP gene pair and a single SNP downstream of the transcribed region of a second GLP. Physical mapping and sequence comparison showed major haplotype divergence at the Sr2 locus between Hope and Chinese Spring. Candidate genes within the Sr2 region of Hope are being evaluated for the ability to confer stem rust resistance. Based on the detailed mapping and sequencing of the locus, we predict that Sr2 does not belong to the NB-LRR gene family and is not related to previously cloned, race non-specific rust resistance genes Lr34 and Yr36.
dcterms:title
Major haplotype divergence including multiple germin-like protein genes, at the wheat Sr2 adult plant stem rust resistance locus Major haplotype divergence including multiple germin-like protein genes, at the wheat Sr2 adult plant stem rust resistance locus
skos:prefLabel
Major haplotype divergence including multiple germin-like protein genes, at the wheat Sr2 adult plant stem rust resistance locus Major haplotype divergence including multiple germin-like protein genes, at the wheat Sr2 adult plant stem rust resistance locus
skos:notation
RIV/61389030:_____/14:00441754!RIV15-GA0-61389030
n3:aktivita
n11:P n11:I
n3:aktivity
I, P(GBP501/12/G090), P(LO1204)
n3:cisloPeriodika
379
n3:dodaniDat
n15:2015
n3:domaciTvurceVysledku
n8:5207010 n8:5256593 n8:1800477
n3:druhVysledku
n9:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
26984
n3:idVysledku
RIV/61389030:_____/14:00441754
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Adult plant resistance (APR); Map-based cloning; Sr2
n3:klicoveSlovo
n4:Sr2 n4:Map-based%20cloning n4:Adult%20plant%20resistance%20%28APR%29
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[8A5A227CD55C]
n3:nazevZdroje
BMC Plant Biology
n3:obor
n17:EB
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
13
n3:projekt
n5:LO1204 n5:GBP501%2F12%2FG090
n3:rokUplatneniVysledku
n15:2014
n3:svazekPeriodika
14
n3:tvurceVysledku
Kubaláková, Marie Breen, J. Berges, H. Spielmeyer, W. Mago, R. Vautrin, S. Ellis, J. G. Tabe, L. Appels, R. Upadhyaya, N. Šimková, Hana Doležel, Jaroslav Kong, X.Y.
n3:wos
000348602700001
s:issn
1471-2229
s:numberOfPages
11
n12:doi
10.1186/s12870-014-0379-z