ArticleGenetics2008
Molecular evolution of the Pi-ta gene resistant to rice blast in wild rice (Oryza rufipogon).
Article in Genetics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 85 citations in OpenAlex.
- 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
- Article
- Fitness benefits play a vital role in the retention of the Pi-ta susceptible alleles.Genetics · 2022Article
- Genome-wide identification and analysis of theFrontiers in genetics · 2022Article
- In silico molecular and morphological analysis of rice blast resistant gene Pi-ta in Sri Lankan rice germplasm.Journal, genetic engineering & biotechnology · 2021Article
- Bayogenin 3-O-cellobioside confers non-cultivar-specific defence against the rice blast fungus Pyricularia oryzae.Plant biotechnology journal · 2021Article
- Identification and Characterization ofFrontiers in plant science · 2021Article
- A Coordinated Suite of Wild-Introgression Lines inFrontiers in plant science · 2020Article
- Back into the wild-Apply untapped genetic diversity of wild relatives for crop improvement.Evolutionary applications · 2017Review
- Allele Mining and Selective Patterns ofFrontiers in plant science · 2016Article
- Nucleotide diversity analysis of three major bacterial blight resistance genes in rice.PloS one · 2015Article
- Molecular Breeding Strategy and Challenges Towards Improvement of Blast Disease Resistance in Rice Crop.Frontiers in plant science · 2015Review
- Extensive sequence variation in rice blast resistance gene Pi54 makes it broad spectrum in nature.Frontiers in plant science · 2015Article
- 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
- Article
- Dynamic nucleotide-binding site and leucine-rich repeat-encoding genes in the grass family.Plant physiology · 2012Article
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice blast disease resistance to the fungal pathogen Magnaporthe grisea is triggered by a physical interaction between the protein products of the host R (resistance) gene, Pi-ta, and the pathogen Avr (avirulence) gene, AVR-pita. The genotype variation and resistant/susceptible phenotype at the Pi-ta locus of wild rice (Oryza rufipogon), the ancestor of cultivated rice (O. sativa), was surveyed in 36 locations worldwide to study the molecular evolution and functional adaptation of the Pi-ta gene. The low nucleotide polymorphism of the Pi-ta gene of O. rufipogon was similar to that of O. sativa, but greatly differed from what has been reported for other O. rufipogon genes. The haplotypes can be subdivided into two divergent haplogroups named H1 and H2. H1 is derived from H2, with nearly no variation and at a low frequency. H2 is common and is the ancestral form. The leucine-rich repeat (LRR) domain has a high pi(non)/pi(syn) ratio, and the low polymorphism of the Pi-ta gene might have primarily been caused by recurrent selective sweep and constraint by other putative physiological functions. Meanwhile, we provide data to show that the amino acid Ala-918 of H1 in the LRR domain has a close relationship with the resistant phenotype. H1 might have recently arisen during rice domestication and may be associated with the scenario of a blast pathogen-host shift from Italian millet to rice.
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