ArticleThe Plant cell2015
Transcriptional and Hormonal Regulation of Gravitropism of Woody Stems in Populus.
Article in The Plant cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
56 citing papers in PubMed, 97 citations in OpenAlex.
- CbuBIM1 Antagonizes CbuMYB27 to Regulate Tension Wood Formation in Catalpa bungei.Plant, cell & environment · 2026Article
- Article
- The BpFLA1 and BpFLA2 genes are involved in regulating secondary xylem development in Betula platyphylla and respond to artificial bending.Annals of botany · 2026Article
- PalKCH1 and PalKCH2 are required for tension wood formation and gelatinous layer deposition inFrontiers in plant science · 2026Article
- A high spatial resolution transcriptomics of tension wood reveals the genetic program of contractile G-layer formation.Frontiers in plant science · 2026Article
- How it all begins: molecular players of the early graviresponse in the non-elongating part of flax stem.Plant molecular biology · 2025Article
- Branching angles in the modulation of plant architecture: Molecular mechanisms, dynamic regulation, and evolution.Plant communications · 2025Review
- What makes a tree weep?Plant physiology · 2024Article
- Defying gravity: WEEP promotes negative gravitropism in peach trees by establishing asymmetric auxin gradients.Plant physiology · 2024Article
- Mapping of flumioxazin tolerance in a snap bean diversity panel leads to the discovery of a master genomic region controlling multiple stress resistance genes.Frontiers in plant science · 2024Article
- Article
- Illumina RNA and SMRT Sequencing Reveals the Mechanism of Uptake and Transformation of Selenium Nanoparticles in Soybean Seedlings.Plants (Basel, Switzerland) · 2023Article
- Article
- Transcriptome and hormone metabolome reveal the mechanism of stem bending in water lily (Frontiers in plant science · 2023Article
- Transcriptomic Evidence Reveals Low Gelatinous Layer Biosynthesis inInternational journal of molecular sciences · 2022Article
- Gravity sensing and responses in the coordination of the shoot gravitropic setpoint angle.The New phytologist · 2022Review
- Eucalyptus grandis AUX/INDOLE-3-ACETIC ACID 13 (EgrIAA13) is a novel transcriptional regulator of xylogenesis.Plant molecular biology · 2022Article
- Exogenous chalcone synthase expression in developing poplar xylem incorporates naringenin into lignins.Plant physiology · 2022Article
- A PtrLBD39-mediated transcriptional network regulates tension wood formation inPlant communications · 2022Article
- Integrative mRNA and Long Noncoding RNA Analysis Reveals the Regulatory Network of Floral Bud Induction in Longan (Frontiers in plant science · 2022Article
Corrections and comments
- Commented on by
Authors and funding
10 authors at 5 institutions in 4 countries.
Funding
Abstract
Angiosperm trees reorient their woody stems by asymmetrically producing a specialized xylem tissue, tension wood, which exerts a strong contractile force resulting in negative gravitropism of the stem. Here, we show, in Populus trees, that initial gravity perception and response occurs in specialized cells through sedimentation of starch-filled amyloplasts and relocalization of the auxin transport protein, PIN3. Gibberellic acid treatment stimulates the rate of tension wood formation and gravibending and enhances tissue-specific expression of an auxin-responsive reporter. Gravibending, maturation of contractile fibers, and gibberellic acid (GA) stimulation of tension wood formation are all sensitive to transcript levels of the Class I KNOX homeodomain transcription factor-encoding gene ARBORKNOX2 (ARK2). We generated genome-wide transcriptomes for trees in which gene expression was perturbed by gravistimulation, GA treatment, and modulation of ARK2 expression. These data were employed in computational analyses to model the transcriptional networks underlying wood formation, including identification and dissection of gene coexpression modules associated with wood phenotypes, GA response, and ARK2 binding to genes within modules. We propose a model for gravitropism in the woody stem in which the peripheral location of PIN3-expressing cells relative to the cambium results in auxin transport toward the cambium in the top of the stem, triggering tension wood formation, while transport away from the cambium in the bottom of the stem triggers opposite wood formation.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.