ArticleGenetics2009
Evolutionary dynamics of the genomic region around the blast resistance gene Pi-ta in AA genome Oryza species.
Article in Genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Exploring Distribution and Evolution ofGenes · 2024Article
- The unconventional resistance protein PTR recognizes the Magnaporthe oryzae effector AVR-Pita in an allele-specific manner.Nature plants · 2024Article
- Understanding the Dynamics of Blast Resistance in Rice-Journal of fungi (Basel, Switzerland) · 2022Review
- In silico molecular and morphological analysis of rice blast resistant gene Pi-ta in Sri Lankan rice germplasm.Journal, genetic engineering & biotechnology · 2021Article
- The broad-spectrum rice blast resistance (R) gene Pita2 encodes a novel R protein unique from Pita.Rice (New York, N.Y.) · 2020Article
- A Coordinated Suite of Wild-Introgression Lines inFrontiers in plant science · 2020Article
- Transcriptome Analysis and Functional Identification ofThe plant genome · 2018Article
- Prospects of Understanding the Molecular Biology of Disease Resistance in Rice.International journal of molecular sciences · 2018Review
- Allele Mining and Selective Patterns ofFrontiers in plant science · 2016Article
- Extensive sequence variation in rice blast resistance gene Pi54 makes it broad spectrum in nature.Frontiers in plant science · 2015Article
- Molecular Breeding Strategy and Challenges Towards Improvement of Blast Disease Resistance in Rice Crop.Frontiers in plant science · 2015Review
- Statistical inference of selection and divergence of the rice blast resistance gene Pi-ta.G3 (Bethesda, Md.) · 2014Article
- Transposon-based high sequence diversity in Avr-Pita alleles increases the potential for pathogenicity of Magnaporthe oryzae populations.Functional & integrative genomics · 2014Article
- Molecular diversity in rice blast resistance gene Pi-ta makes it highly effective against dynamic population of Magnaporthe oryzae.Functional & integrative genomics · 2013Article
- The isolation of Pi1, an allele at the Pik locus which confers broad spectrum resistance to rice blast.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2012Article
- Dynamic nucleotide-binding site and leucine-rich repeat-encoding genes in the grass family.Plant physiology · 2012Article
- Indica and japonica crosses resulting in linkage block and recombination suppression on rice chromosome 12.PloS one · 2012Article
- Molecular evolution of the rice blast resistance gene Pi-ta in invasive weedy rice in the USA.PloS one · 2011Article
- Duplicate polyphenol oxidase genes on barley chromosome 2H and their functional differentiation in the phenol reaction of spikes and grains.Journal of experimental botany · 2010Article
- Genomic structure and evolution of the Pi2/9 locus in wild rice species.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2010Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The race-specific resistance gene Pi-ta has been effectively used to control blast disease, one of the most destructive plant diseases worldwide. A single amino acid change at the 918 position of the Pi-ta protein was known to determine resistance specificity. To understand the evolutionary dynamics present, we examined sequences of the Pi-ta locus and its flanking regions in 159 accessions composed of seven AA genome Oryza species: O. sativa, O. rufipogon, O. nivara, O. meridionalis, O. glaberrima, O. barthii, and O. glumaepatula. A 3364-bp fragment encoding a predicted transposon was found in the proximity of the Pi-ta promoter region associated with the resistance phenotype. Haplotype network analysis with 33 newly identified Pi-ta haplotypes and 18 newly identified Pi-ta protein variants demonstrated the evolutionary relationships of Pi-ta haplotypes between O. sativa and O. rufipogon. In O. rufipogon, the recent directional selection was found in the Pi-ta region, while significant deviation from neutral evolution was not found in all O. sativa groups. Results of sequence variation in flanking regions around Pi-ta in O. sativa suggest that the size of the resistant Pi-ta introgressed block was at least 5.4 Mb in all elite resistant cultivars but not in the cultivars without Pi-ta. These findings demonstrate that the Pi-ta region with transposon and additional plant modifiers has evolved under an extensive selection pressure during crop breeding.
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