ArticleBiotechnology for biofuels2021
Down-regulation of OsMYB103L distinctively alters beta-1,4-glucan polymerization and cellulose microfibers assembly for enhanced biomass enzymatic saccharification in rice.
Article in Biotechnology for biofuels, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 29 citations in OpenAlex.
- Enhanced saccharification yields from rice straw by senescence-induced expression of a cytokinin biosynthesis gene in intragenic rice plants.Plant biotechnology (Tokyo, Japan) · 2026Article
- Characterization, Expression Profile Analysis, and Functional Prediction ofPlants (Basel, Switzerland) · 2025Article
- Article
- Deciphering the regulatory network of lignocellulose biosynthesis in bread wheat through genome-wide association studies.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Exploring Lignin Biosynthesis Genes in Rice: Evolution, Function, and Expression.International journal of molecular sciences · 2024Article
- Metabolic engineering ofPlant biotechnology (Tokyo, Japan) · 2024Article
- Microbial tolerance engineering for boosting lactic acid production from lignocellulose.Biotechnology for biofuels and bioproducts · 2023Review
- Single-molecular insights into the breakpoint of cellulose nanofibers assembly during saccharification.Nature communications · 2023Article
- Syntenic Cell Wall QTLs as Versatile Breeding Tools: Intraspecific Allelic Variability and Predictability of Biomass Quality Loci in Target Plant Species.Plants (Basel, Switzerland) · 2023Article
- Overexpression of PtoMYB115 improves lignocellulose recalcitrance to enhance biomass digestibility and bioethanol yield by specifically regulating lignin biosynthesis in transgenic poplar.Biotechnology for biofuels and bioproducts · 2022Article
- A Combination of Novel Microecological Agents and Molasses Role in Digestibility and Fermentation of Rice Straw by Facilitating the Ruminal Microbial Colonization.Frontiers in microbiology · 2022Article
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Authors and funding
14 authors at 4 institutions in 1 country.
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Abstract
backgroundAs a major component of plant cell walls, cellulose provides the most abundant biomass resource convertible for biofuels. Since cellulose crystallinity and polymerization have been characterized as two major features accounting for lignocellulose recalcitrance against biomass enzymatic saccharification, genetic engineering of cellulose biosynthesis is increasingly considered as a promising solution in bioenergy crops. Although several transcription factors have been identified to regulate cellulose biosynthesis and plant cell wall formation, much remains unknown about its potential roles for genetic improvement of lignocellulose recalcitrance.
resultsIn this study, we identified a novel rice mutant (Osfc9/myb103) encoded a R2R3-MYB transcription factor, and meanwhile generated OsMYB103L-RNAi-silenced transgenic lines. We determined significantly reduced cellulose levels with other major wall polymers (hemicellulose, lignin) slightly altered in mature rice straws of the myb103 mutant and RNAi line, compared to their wild type (NPB). Notably, the rice mutant and RNAi line were of significantly reduced cellulose features (crystalline index/CrI, degree of polymerization/DP) and distinct cellulose nanofibers assembly. These alterations consequently improved lignocellulose recalcitrance for significantly enhanced biomass enzymatic saccharification by 10-28% at p < 0.01 levels (n = 3) after liquid hot water and chemical (1% H
conclusionsThis study has demonstrated that down-regulation of OsMYB103L could specifically improve cellulose features and cellulose nanofibers assembly to significantly enhance biomass enzymatic saccharification under green-like and mild chemical pretreatments in rice. It has not only indicated a powerful strategy for genetic modification of plant cell walls in bioenergy crops, but also provided insights into transcriptional regulation of cellulose biosynthesis in plants.
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