ArticleBotanical studies2013
The NPR1 ortholog PhaNPR1 is required for the induction of PhaPR1 in Phalaenopsis aphrodite.
Article in Botanical studies, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 16 citations in OpenAlex.
- Citrus transcription factor CsERF1 is involved in the response to citrus tristeza disease.Frontiers in plant science · 2024Article
- Characterization of Pingliang xiaoheidou (ZDD 11047), a soybean variety with resistance to soybean cyst nematode Heterodera glycines.Plant molecular biology · 2020Article
- Identification and Characterization of NPR1 and PR1 Homologs inInternational journal of molecular sciences · 2020Article
- Ethylene Response Factor ERF11 ActivatesPlant physiology · 2019Article
- Silencing ofFrontiers in plant science · 2019Article
- The NONEXPRESSOR OF PATHOGENESIS-RELATED GENES 1 (NPR1) and Related Family: Mechanistic Insights in Plant Disease Resistance.Frontiers in plant science · 2019Review
- Cloning, Overexpression andIranian journal of biotechnology · 2017Article
- Signal regulators of systemic acquired resistance.Frontiers in plant science · 2015Article
- Transgenic Citrus Expressing an Arabidopsis NPR1 Gene Exhibit Enhanced Resistance against Huanglongbing (HLB; Citrus Greening).PloS one · 2015Article
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6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundSystematic acquired resistance (SAR) is an effective broad-spectrum defense mechanism that confers long-lasting protection against biotrophic pathogens trough defense related salicylic acid (SA) signaling. Gene(s) involved in SAR have been extensively studied in dicot plants; however, remains largely unresolved in monocot plants. NPR1, an evolutionary conserved gene, plays a central role in SAR, and PR-1 is widely used as a marker for effective SA signaling.
resultsWe identified NPR1 and PR-1 homologous genes, PhaNPR1 and PhaPR1, from an economically important orchid, Phalaenopsis aphrodite, and characterized their roles in SA signaling and Cymbidium mosaic virus (CymMV) resistance. A phylogenetic analysis of NPR1 homologs showed that these genes appear to have evolved before angiospermy. Similar to Arabidopsis NPR1, PhaNPR1 was only moderately induced upon SA treatment and CymMV infection. Although PhaPR1 shows only 36% identity with AtPR1, its promoter shared conserved elements with those of other PR-1 genes, and it was induced upon SA treatment and CymMV infection. After CymMV infection, silencing on PhaNPR1 also reduced PhaPR1 expression; however, CymMV accumulation was not affected.
conclusionsIn conclusion, after virus infection, PhaNPR1 is required for PhaPR1 induction, but plays little role in defense against CymMV.
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