ArticleMolecular plant pathology2020
Functional analysis of RXLR effectors from the New Zealand kauri dieback pathogen Phytophthora agathidicida.
Article in Molecular plant pathology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 18 citations in OpenAlex.
- The virulence function of RXLR effectorVirulence · 2025Article
- Assessing the in Planta Efficacy of Oxathiapiprolin as a Potential Treatment for Kauri Dieback Disease.MicrobiologyOpen · 2025Article
- Chromosome-level assembly of theFrontiers in microbiology · 2022Article
- Article
- "Core" RxLR effectors in phytopathogenic oomycetes: A promising way to breeding for durable resistance in plants?Virulence · 2021Article
- Apoplastic effector candidates of a foliar forest pathogen trigger cell death in host and non-host plants.Scientific reports · 2021Article
- Haustorium formation and a distinct biotrophic transcriptome characterize infection of Nicotiana benthamiana by the tree pathogen Phytophthora kernoviae.Molecular plant pathology · 2021Article
- Red light imaging for programmed cell death visualization and quantification in plant-pathogen interactions.Molecular plant pathology · 2021Article
- The mitogenome of Phytophthora agathidicida: Evidence for a not so recent arrival of the "kauri killing" Phytophthora in New Zealand.PloS one · 2021Article
- Functional analysis of RXLR effectors from the New Zealand kauri dieback pathogen Phytophthora agathidicida.Molecular plant pathology · 2020Article
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Authors and funding
13 authors at 7 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
New Zealand kauri is an ancient, iconic, gymnosperm tree species that is under threat from a lethal dieback disease caused by the oomycete Phytophthora agathidicida. To gain insight into this pathogen, we determined whether proteinaceous effectors of P. agathidicida interact with the immune system of a model angiosperm, Nicotiana, as previously shown for Phytophthora pathogens of angiosperms. From the P. agathidicida genome, we defined and analysed a set of RXLR effectors, a class of proteins that typically have important roles in suppressing or activating the plant immune system. RXLRs were screened for their ability to activate or suppress the Nicotiana plant immune system using Agrobacterium tumefaciens transient transformation assays. Nine P. agathidicida RXLRs triggered cell death or suppressed plant immunity in Nicotiana, of which three were expressed in kauri. For the most highly expressed, P. agathidicida (Pa) RXLR24, candidate cognate immune receptors associated with cell death were identified in Nicotiana benthamiana using RNA silencing-based approaches. Our results show that RXLRs of a pathogen of gymnosperms can interact with the immune system of an angiosperm species. This study provides an important foundation for studying the molecular basis of plant-pathogen interactions in gymnosperm forest trees, including kauri.
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