ArticleScientific reports2018
Salicylic acid in Populus tomentosa is a remote signalling molecule induced by Botryosphaeria dothidea infection.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 38 citations in OpenAlex.
- Genome-Wide Identification of the PAL Gene Family inInternational journal of molecular sciences · 2026Article
- Species-specific, accession-specific, and common responses of foliar phytohormones and morphological traits to drought and herbivory.BMC plant biology · 2026Article
- High-resolution methylome analysis uncovers stress-responsive genomic hotspots and drought-sensitive transposable element superfamilies in the clonal Lombardy poplar.Journal of experimental botany · 2024Article
- The Emerging Role ofPlants (Basel, Switzerland) · 2024Review
- Editing Metabolism, Sex, and Microbiome: How Can We Help Poplar Resist Pathogens?International journal of molecular sciences · 2024Review
- Overexpressing CsSABP2 enhances tolerance to Huanglongbing and citrus canker inFrontiers in plant science · 2024Article
- PbrChiA: a key chitinase of pear in response toHorticulture research · 2023Article
- Mechanisms of systemic resistance to pathogen infection in plants and their potential application in forestry.BMC plant biology · 2023Review
- A hybrid multifunctional physicochemical sensor suite for continuous monitoring of crop health.Scientific reports · 2023Article
- The responses of poplars to fungal pathogens: A review of the defensive pathway.Frontiers in plant science · 2023Review
- Overexpression of the salicylic acid binding protein 2 (SABP2) from tobacco enhances tolerance against Huanglongbing in transgenic citrus.Plant cell reports · 2022Article
- Overexpression of salicylic acid methyltransferase reduces salicylic acid-mediated pathogen resistance in poplar.Frontiers in plant science · 2022Article
- MES7 Modulates Seed Germination via Regulating Salicylic Acid Content in Arabidopsis.Plants (Basel, Switzerland) · 2021Article
- Transcriptome profiling reveals response genes for downy mildew resistance in cucumber.Planta · 2021Article
- Local Responses and Systemic Induced Resistance Mediated by Ectomycorrhizal Fungi.Frontiers in plant science · 2020Review
- Chromosome-scale genome assembly of sweet cherry (Horticulture research · 2020Article
- Salicylic Acid Binding Proteins (SABPs): The Hidden Forefront of Salicylic Acid Signalling.International journal of molecular sciences · 2019Review
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The salicylic acid (SA) plays a critical role during the establishment of systemic acquired resistance (SAR) in uninfected plant tissues after localised exposure to a pathogen. Here, we studied SA in Populus tomentosa infected by the plant pathogen Botryosphaeria dothidea. The accumulation of SA and methyl salicylate (MeSA) occurred in chronological order in P. tomentosa. The SA and MeSA contents were greater at infected than uninfected sites. Additionally, a gene expression analysis indicated that SA might be accumulated by phenylalanine ammonialyase (PAL) and converted to MeSA by SA carboxyl methyltransferase (SAMT), while MeSA might convert to SA by SA-binding protein 2 (SABP2). The expressions of SAMT at infected sites and SABP2 at uninfected sites, respectively, were significantly up-regulated. Thus, SA might be converted to MeSA at infected sites and transported as a signalling molecule to uninfected sites, where it is converted to SA for SAR. Moreover, the expressions of pathogenesis-related genes PR-1, PR-2 and PR-5 in P. tomentosa were up-regulated by the B. dothidea infection. Our study determined that variations in SA and MeSA contents occur at infected and uninfected sites in poplar after pathogen infection and contributed to the remote signals for poplar SAR.
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