ArticleFrontiers in plant science2016
Transcriptional Profiles of Hybrid Eucalyptus Genotypes with Contrasting Lignin Content Reveal That Monolignol Biosynthesis-related Genes Regulate Wood Composition.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 29 citations in OpenAlex.
- From genome to gene expression: the genomic landscape of a hybrid species of Eucalyptus urophylla × Eucalyptus grandis and its divergence from parental species hybrid.BMC plant biology · 2025Article
- Production of reactive oxygen species by PuRBOHF is critical for stone cell development in pear fruit.Horticulture research · 2021Article
- Bulked segregant analysis reveals candidate genes responsible for dwarf formation in woody oilseed crop castor bean.Scientific reports · 2021Article
- Transcriptomic, Proteomic, and Metabolic Profiles ofFrontiers in plant science · 2021Article
- Wood transcriptome analysis and expression variation of lignin biosynthetic pathway transcripts inJournal of biosciences · 2021Article
- Article
- Biochemical characterization and expression analysis of lignification in two pear (Pyrus ussuriensis Maxim.) varieties with contrasting stone cell content.Protoplasma · 2020Article
- Cloning and characterization of the lignin biosynthesis genes NcCSE and NcHCT from Neolamarckia cadamba.AMB Express · 2019Article
- RNA-seq analysis of lignocellulose-related genes in hybrid Eucalyptus with contrasting wood basic density.BMC plant biology · 2018Article
- Co-expression network of transcription factors reveal ethylene-responsive element-binding factor as key regulator of wood phenotype in3 Biotech · 2018Article
- Transcriptomic analysis reveals overdominance playing a critical role in nicotine heterosis in Nicotiana tabacum L.BMC plant biology · 2018Article
- Construction of co-expression network based on natural expression variation of xylogenesis-related transcripts in Eucalyptus tereticornis.Molecular biology reports · 2016Article
- Isolation and characterization of the 4-coumarate:coenzyme A ligase (4CL1) promoter fromPhysiology and molecular biology of plants : an international journal of functional plant biology · 2016Article
- Evaluation of Relationships between Growth Rate, Tree Size, Lignocellulose Composition, and Enzymatic Saccharification in InterspecificFrontiers in plant science · 2016Article
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8 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Eucalyptus species constitutes the most widely planted hardwood trees in temperate and subtropical regions. In this study, we compared the transcript levels of genes involved in lignocellulose formation such as cellulose, hemicellulose and lignin biosynthesis in two selected 3-year old hybrid Eucalyptus (Eucalyptus urophylla × Eucalyptus grandis) genotypes (AM063 and AM380) that have different lignin content. AM063 and AM380 had 20.2 and 35.5% of Klason lignin content and 59.0 and 48.2%, α-cellulose contents, respectively. We investigated the correlation between wood properties and transcript levels of wood formation-related genes using RNA-seq with total RNAs extracted from developing xylem tissues at a breast height. Transcript levels of cell wall construction genes such as cellulose synthase (CesA) and sucrose synthase (SUSY) were almost the same in both genotypes. However, AM063 exhibited higher transcript levels of UDP-glucose pyrophosphorylase and xyloglucan endotransglucoxylase than those in AM380. Most monolignol biosynthesis-related isozyme genes showed higher transcript levels in AM380. These results indicate monolignol biosynthesis-related genes may regulate wood composition in Eucalyptus. Flavonoids contents were also observed at much higher levels in AM380 as a result of the elevated transcript levels of common phenylpropanoid pathway genes, phenylalanine ammonium lyase, cinnamate-4-hydroxylase (C4H) and 4-coumarate-CoA ligase (4CL). Secondary plant cell wall formation is regulated by many transcription factors. We analyzed genes encoding NAC, WRKY, AP2/ERF, and KNOX transcription factors and found higher transcript levels of these genes in AM380. We also observed increased transcription of some MYB and LIM domain transcription factors in AM380 compared to AM063. All these results show that genes related to monolignol biosynthesis may regulate the wood composition and help maintain the ratio of cellulose and lignin contents in Eucalyptus plants.
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