ArticleFunctional & integrative genomics2009
A candidate for Lr19, an exotic gene conditioning leaf rust resistance in wheat.
Article in Functional & integrative genomics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 42 citations in OpenAlex.
- Article
- Characterization of the wheat-tetraploid Thinopyrum elongatum 7E(7D) substitution line with Fusarium head blight resistance.BMC plant biology · 2024Article
- Cytogenetic mapping of a major locus for resistance to Fusarium head blight and crown rot of wheat on Thinopyrum elongatum 7EL and its pyramiding with valuable genes from a Th. ponticum homoeologous arm onto bread wheat 7DL.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- The wheat homolog of putative nucleotide-binding site-leucine-rich repeat resistance gene TaRGA contributes to resistance against powdery mildew.Functional & integrative genomics · 2016Article
- Microscopic and Molecular Characterization of the Prehaustorial Resistance against Wheat Leaf Rust (Frontiers in plant science · 2016Article
- TEF-7A, a transcript elongation factor gene, influences yield-related traits in bread wheat (Triticum aestivum L.).Journal of experimental botany · 2014Article
- Characterization of novel wheat NBS domain-containing sequences and their utilization, in silico, for genome-scale R-gene mining.Molecular genetics and genomics : MGG · 2014Article
- Development and characterization of a Psathyrostachys huashanica Keng 7Ns chromosome addition line with leaf rust resistance.PloS one · 2013Article
- The development of 7E chromosome-specific molecular markers for Thinopyrum elongatum based on SLAF-seq technology.PloS one · 2013Article
- Functional markers in wheat: current status and future prospects.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2012Review
- Identifying loci influencing 1,000-kernel weight in wheat by microsatellite screening for evidence of selection during breeding.PloS one · 2012Article
- A genetic map of Lophopyrum ponticum chromosome 7E, harboring resistance genes to Fusarium head blight and leaf rust.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lr19, one of the few widely effective genes conferring resistance to leaf rust in wheat, was transferred from the wild relative Thinopyrum ponticum to durum wheat. Since Lr19 confers a hypersensitive response to the pathogen, it was considered likely that the gene would be a member of the major nucleotide-binding site (NBS)-leucine-rich repeat (LRR) plant R gene family. NBS profiling, based on PCR amplification of conserved NBS motifs, was applied to durum wheat-Th. ponticum recombinant lines involving different segments of the alien 7AgL chromosome arm, carrying or lacking Lr19. Differential PCR products were isolated and sequenced. From one such sequence (AG15), tightly linked to Lr19, a 4,121-bp full-length cDNA was obtained. Its deduced 1,258 amino acid sequence has the characteristic NBS-LRR domains of plant R gene products and includes a coiled-coil (CC) region typical of monocots. The genomic DNA sequence showed the presence of two exons and a short intron upstream of the predicted stop codon. Homology searches revealed considerable identity of AG15 with the cloned wheat resistance gene Pm3a and a lower similarity with wheat Lr1, Lr21, and Lr10. Quantitative PCR on leaf-rust-infected and non-infected Lr19 carriers proved AG15 to be constitutively expressed, as is common for R genes.
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