ArticleInternational journal of molecular sciences2021
Wood Formation under Severe Drought Invokes Adjustment of the Hormonal and Transcriptional Landscape in Poplar.
Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 42 citations in OpenAlex.
- The PtoERF1-PtomiR393a-PtoFBL4 module confers drought tolerance via ABA-auxin crosstalk in Populus.The New phytologist · 2026Article
- AI-Augmented Multi-Omics for Abiotic Stress Responses: A New Frontier in Plant Hormone Systems Biology.Plants (Basel, Switzerland) · 2026Review
- Integrative metabolome and transcriptome of different tree size reveal wood formation in Corymbia citriodora.BMC genomics · 2026Article
- Study on the positive regulation of drought tolerance by PdMYB2R032 based on R2R3-MYB gene family analysis in Populus deltoides.BMC plant biology · 2026Article
- Overexpression of jojoba wax ester synthase in poplar increases foliar lipid accumulation, alters stomatal conductance, and increases water use efficiency.Plant biology (Stuttgart, Germany) · 2025Article
- Natural variation in PtobZIP18 confers the trade-off between stem growth and drought tolerance in Populus.Plant biotechnology journal · 2025Article
- Single-nucleus transcriptomics revealed auxin-driven mechanisms of wood plasticity to enhance severe drought tolerance in poplar.Genome biology · 2025Article
- CORONATINE INSENSITIVE 1-mediated repression of immunity-related genes in Arabidopsis roots is lifted upon infection with Verticillium longisporum.Journal of experimental botany · 2025Article
- Xylem cell size regulation is a key adaptive response to water deficit in Eucalyptus grandis.Tree physiology · 2024Article
- Article
- A systems genetic analysis identifies putative mechanisms and candidate genes regulating vessel traits in poplar wood.Frontiers in plant science · 2024Article
- Transcriptome-based WGCNA reveals the molecular regulation of xylem plasticity in acclimation to drought and rewatering in mulberry.Frontiers in plant science · 2024Article
- Integrity of xylan backbone affects plant responses to drought.Frontiers in plant science · 2024Article
- Responses to Drought Stress in Poplar: What Do We Know and What Can We Learn?Life (Basel, Switzerland) · 2023Review
- How Tree Decline Varies the Anatomical Features in Quercus brantiiPlants (Basel, Switzerland) · 2023Article
- Recent genome resequencing paraded COBRA-Frontiers in plant science · 2023Article
- Transcriptional regulatory cascade ofFrontiers in plant science · 2023Article
- Effect of Elevated COPlants (Basel, Switzerland) · 2022Article
- Salinity induces discontinuous protoxylem via a DELLA-dependent mechanism promoting salt tolerance in Arabidopsis seedlings.The New phytologist · 2022Article
- Chemical Composition and Related Properties of Lime (Materials (Basel, Switzerland) · 2022Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
Abstract
Drought is a severe environmental stress that exerts negative effects on plant growth. In trees, drought leads to reduced secondary growth and altered wood anatomy. The mechanisms underlying wood stress adaptation are not well understood. Here, we investigated the physiological, anatomical, hormonal, and transcriptional responses of poplar to strong drought. Drought-stressed xylem was characterized by higher vessel frequencies, smaller vessel lumina, and thicker secondary fiber cell walls. These changes were accompanied by strong increases in abscisic acid (ABA) and antagonistic changes in salicylic acid in wood. Transcriptional evidence supported ABA biosynthesis and signaling in wood. Since ABA signaling activates the fiber-thickening factor NST1, we expected upregulation of the secondary cell wall (SCW) cascade under stress. By contrast, transcription factors and biosynthesis genes for SCW formation were down-regulated, whereas a small set of cellulose synthase-like genes and a huge array of genes involved in cell wall modification were up-regulated in drought-stressed wood. Therefore, we suggest that ABA signaling monitors normal SCW biosynthesis and that drought causes a switch from normal to "stress wood" formation recruiting a dedicated set of genes for cell wall biosynthesis and remodeling. This proposition implies that drought-induced changes in cell wall properties underlie regulatory mechanisms distinct from those of normal wood.
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