ArticlePlant physiology2017
Defense Responses in Aspen with Altered Pectin Methylesterase Activity Reveal the Hormonal Inducers of Tyloses.
Article in Plant physiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 36 citations in OpenAlex.
- Fractography of white charcoal reveals past fungal infection and embolism in the secondary xylem via SEM.Applied microscopy · 2026Article
- Glucuronoyl Esterase of Pathogenic Phanerochaete carnosa Induces Immune Responses in Aspen Independently of Its Enzymatic Activity.Plant biotechnology journal · 2026Article
- Ring-specific vulnerability to embolism reveals accumulation of damage in the xylem.The New phytologist · 2025Article
- Strategies utilized by plants to defend againstFrontiers in plant science · 2025Review
- Towards sustainable agarwood production: integrating microbial interactions, anatomical changes, and metabolite biosynthesis.Journal of industrial microbiology & biotechnology · 2024Review
- Detailed three-dimensional analyses of tyloses in oak used for bourbon and wine barrels through X-ray computed tomography.Scientific reports · 2024Article
- Comparative physiological, biochemical, metabolomic, and transcriptomic analyses reveal the formation mechanism of heartwood for Acacia melanoxylon.BMC plant biology · 2024Review
- How plants manage pathogen infection.EMBO reports · 2024Review
- Fossil evidence of tylosis formation in Late Devonian plants.Nature plants · 2023Article
- Induced defense strategies of plants againstFrontiers in microbiology · 2023Review
- The evolving views of the simplest pectic polysaccharides: homogalacturonan.Plant cell reports · 2022Review
- The secretome of Verticillium dahliae in collusion with plant defence responses modulates Verticillium wilt symptoms.Biological reviews of the Cambridge Philosophical Society · 2022Review
- The RPN12a proteasome subunit is essential for the multiple hormonal homeostasis controlling the progression of leaf senescence.Communications biology · 2022Article
- Blocking intruders: inducible physico-chemical barriers against plant vascular wilt pathogens.Journal of experimental botany · 2021Article
- Using the CODIT model to explain secondary metabolites of xylem in defence systems of temperate trees against decay fungi.Annals of botany · 2020Review
- Immunoprofiling of Cell Wall Carbohydrate Modifications During Flooding-Induced Aerenchyma Formation in Fabaceae Roots.Frontiers in plant science · 2019Article
- Article
- Ethylene-Related Gene Expression Networks in Wood Formation.Frontiers in plant science · 2018Article
- Characterization and Functional Analysis of the PoplarFrontiers in plant science · 2017Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tyloses are ingrowths of parenchyma cells into the lumen of embolized xylem vessels, thereby protecting the remaining xylem from pathogens. They are found in heartwood, sapwood, and in abscission zones and can be induced by various stresses, but their molecular triggers are unknown. Here, we report that down-regulation of PECTIN METHYLESTERASE1 (PtxtPME1) in aspen (Populus tremula × tremuloides) triggers the formation of tyloses and activation of oxidative stress. We tested whether any of the oxidative stress-related hormones could induce tyloses in intact plantlets grown in sterile culture. Jasmonates, including jasmonic acid (JA) and methyl jasmonate, induced the formation of tyloses, whereas treatments with salicylic acid (SA) and 1-aminocyclopropane-1-carboxylic acid (ACC) were ineffective. SA abolished the induction of tyloses by JA, whereas ACC was synergistic with JA. The ability of ACC to stimulate tyloses formation when combined with JA depended on ethylene (ET) signaling, as shown by a decrease in the response in ET-insensitive plants. Measurements of internal ACC and JA concentrations in wild-type and ET-insensitive plants treated simultaneously with these two compounds indicated that ACC and JA regulate each other's concentration in an ET-dependent manner. The findings indicate that jasmonates acting synergistically with ethylene are the key molecular triggers of tyloses.
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