ArticlePloS one2016
Strain Specific Factors Control Effector Gene Silencing in Phytophthora sojae.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- H3K27me3-Mediated Epigenetic Silencing of FgHMG1 Enables Fungal Host Immune Evasion.Plant biotechnology journal · 2026Article
- Effector gene silencing coordinated by histone methylation and small RNAs enhances host adaptation in a plant pathogen.Nucleic acids research · 2026Article
- Genome-Wide Analysis of thePlants (Basel, Switzerland) · 2025Article
- GmARF15 Enhances the Resistance of Soybean toInternational journal of molecular sciences · 2024Article
- Specific Transcriptional Regulation Controls Plant Organ-Specific Infection by the Oomycete Pathogen Phytophthora sojae.Molecular plant pathology · 2024Article
- RXLR effector gene Avr3a from Phytophthora sojae is recognized by Rps8 in soybean.Molecular plant pathology · 2022Article
- Molecular mechanisms ofFrontiers in microbiology · 2022Review
- Effector gene silencing mediated by histone methylation underpins host adaptation in an oomycete plant pathogen.Nucleic acids research · 2020Article
- Genetic and epigenetic engines of diversity in pathogenic microbes.PLoS pathogens · 2017Review
- Host-Pathogen interactions modulated by small RNAs.RNA biology · 2017Review
- Escaping Host Immunity: New Tricks for Plant Pathogens.PLoS pathogens · 2016Review
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Phytophthora sojae avirulence gene Avr3a encodes an effector that is capable of triggering immunity on soybean plants carrying the resistance gene Rps3a. P. sojae strains that express Avr3a are avirulent to Rps3a plants, while strains that do not are virulent. To study the inheritance of Avr3a expression and virulence towards Rps3a, genetic crosses and self-fertilizations were performed. A cross between P. sojae strains ACR10 X P7076 causes transgenerational gene silencing of Avr3a allele, and this effect is meiotically stable up to the F5 generation. However, test-crosses of F1 progeny (ACR10 X P7076) with strain P6497 result in the release of silencing of Avr3a. Expression of Avr3a in the progeny is variable and correlates with the phenotypic penetrance of the avirulence trait. The F1 progeny from a direct cross of P6497 X ACR10 segregate for inheritance for Avr3a expression, a result that could not be explained by parental imprinting or heterozygosity. Analysis of small RNA arising from the Avr3a gene sequence in the parental strains and hybrid progeny suggests that the presence of small RNA is necessary but not sufficient for gene silencing. Overall, we conclude that inheritance of the Avr3a gene silenced phenotype relies on factors that are variable among P. sojae strains.
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