ArticlePloS one2017
Overexpression of a pine Dof transcription factor in hybrid poplars: A comparative study in trees growing under controlled and natural conditions.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
What it found
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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.
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Who cites it
12 citing papers in PubMed, 24 citations in OpenAlex.
- Dof Transcription Factors as Integrative Regulatory Hubs Linking Carbon-Nitrogen Metabolism, Development, and Environmental Signaling in Plants.Plant, cell & environment · 2026Review
- DOF gene family expansion and diversification.Genetics and molecular biology · 2024Article
- Ectopic expression of theFrontiers in plant science · 2023Article
- DOF transcription factors: Specific regulators of plant biological processes.Frontiers in plant science · 2023Review
- Review
- Genome-wide analysis ofPeerJ · 2021Article
- Characterization of a High Hierarchical Regulator,Frontiers in plant science · 2021Article
- Overexpression ofInternational journal of molecular sciences · 2020Article
- SNPeffect: identifying functional roles of SNPs using metabolic networks.The Plant journal : for cell and molecular biology · 2020Article
- TheFrontiers in plant science · 2020Article
- Identification of Dof transcription factors in ramie (3 Biotech · 2018Article
- Nitrogen Metabolism and Biomass Production in Forest Trees.Frontiers in plant science · 2018Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this work, the role of the pine transcriptional regulator Dof 5 in carbon and nitrogen metabolism has been examined in poplar trees. The overexpression of the gene and potential effects on growth and biomass production were compared between trees growing in a growth chamber under controlled conditions and trees growing in a field trial during two growth seasons. Ten-week-old transgenic poplars exhibited higher growth than untransformed controls and exhibited enhanced capacity for inorganic nitrogen uptake in the form of nitrate. Furthermore, the transgenic trees accumulated significantly more carbohydrates such as glucose, fructose, sucrose and starch. Lignin content increased in the basal part of the stem likely due to the thicker stem of the transformed plants. The enhanced levels of lignin were correlated with higher expression of the PAL1 and GS1.3 genes, which encode key enzymes involved in the phenylalanine deamination required for lignin biosynthesis. However, the results in the field trial experiment diverged from those observed in the chamber system. The lines overexpressing PpDof5 showed attenuated growth during the two growing seasons and no modification of carbon or nitrogen metabolism. These results were not associated with a decrease in the expression of the transgene, but they can be ascribed to the nitrogen available in the field soil compared to that available for growth under controlled conditions. This work highlights the paramount importance of testing transgenic lines in field trials.
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Registered trials
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