ArticleHorticulture research2021
A gene that underwent adaptive evolution, LAC2 (LACCASE), in Populus euphratica improves drought tolerance by improving water transport capacity.
Article in Horticulture research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 60 citations in OpenAlex.
- Natural variation inScience advances · 2026Article
- Gallic Acid-Responsive microRNAs Reprogram Lignification During Drought Acclimation Process in Spearmint.Plant biotechnology journal · 2026Article
- The LoMYB26/LoJAZ4-LoCOMT module regulates anther dehiscence via Jasmonic acid-mediated endothecium lignification in lily.Journal of advanced research · 2026Article
- Transcription factor SmMYC2 regulates secondary cell wall thickening to enhance drought resilience in eggplant.Plant cell reports · 2025Article
- Comprehensive analysis of the NAC transcription factor gene family in Sophora tonkinensis Gagnep.BMC plant biology · 2025Article
- Genome-wide identification, classification, and expression profiling of LAC gene family in sesame.BMC plant biology · 2024Article
- CsLAC4, regulated by CsmiR397a, confers drought tolerance to the tea plant by enhancing lignin biosynthesis.Stress biology · 2024Article
- Genome-Wide Identification and Characterization of the Laccase Gene Family inPlants (Basel, Switzerland) · 2024Article
- RNA-seq reveals the gene expression in patterns in Populus × euramericana 'Neva' plantation under different precision water and fertilizer-intensive management.BMC plant biology · 2024Article
- Comparative Analysis of the Effect of Gamma-, Electron, and Proton Irradiation on Transcriptomic Profile ofPlants (Basel, Switzerland) · 2024Article
- Transcriptomic and Phenotypic Analyses Reveal the Molecular Mechanism of Dwarfing in TetraploidInternational journal of molecular sciences · 2024Article
- Review
- Functional Diversification and the Plant Secondary Cell Wall.Journal of molecular evolution · 2023Review
- Integration of miRNA dynamics and drought tolerant QTLs in rice reveals the role of miR2919 in drought stress response.BMC genomics · 2023Article
- Chromosome-level genome assembly and population genomics of Robinia pseudoacacia reveal the genetic basis for its wide cultivation.Communications biology · 2023Article
- The CPlant biotechnology journal · 2023Article
- Effects of long-term irrigation on soil phosphorus fractions and microbial communities inForestry research · 2023Article
- Genomic characterization of the NAC transcription factors, directed at understanding their functions involved in endocarp lignification of iron walnut (Frontiers in genetics · 2023Article
- Genome-wide association study in two-row spring barley landraces identifies QTL associated with plantlets root system architecture traits in well-watered and osmotic stress conditions.Frontiers in plant science · 2023Article
- Lignin Synthesis, Affected by Sucrose in Lotus (International journal of molecular sciences · 2022Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
Drought severely limits plant development and growth; accordingly, plants have evolved strategies to prevent water loss and adapt to water deficit conditions. However, experimental cases that corroborate these evolutionary processes are limited. The LACCASEs (LACs) family is involved in various plant development and growth processes. Here, we performed an evolutionary analysis of LACs from Populus euphratica and characterized the functions of LACs in Arabidopsis and poplar. The results showed that in PeuLACs, multiple gene duplications led to apparent functional redundancy as the result of various selective pressures. Among them, PeuLAC2 underwent strong positive selection. Heterologous expression analyses showed that the overexpression of PeuLAC2 alters the xylem structure of plants, including thickening the secondary cell wall (SCW) and increasing the fiber cell length and stem tensile strength. Altogether, these changes improve the water transport capacity of plants. The analysis of the physiological experimental results showed that PeuLAC2-OE lines exhibited a stronger antioxidant response and greater drought tolerance than WT. Three genes screened by transcriptome analysis, NAC025, BG1, and UGT, that are associated with SCW synthesis and drought stress were all upregulated in the PeuLAC2-OE lines, implying that the overexpression of PeuLAC2 thickened the SCW, improved the water transport capacity of the plant, and further enhanced its drought tolerance. Our study highlights that genes that have undergone adaptive evolution may participate in the development of adaptive traits in P. euphratica and that PeuLAC2 could be a candidate gene for molecular genetic breeding in trees.
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