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Reference Detail
| Reference | ||
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| Author | Madana M R Ambavaram, Krishnan A., Kurniawan R Trijatmiko, Pereira A. | |
| Title | Coordinated activation of cellulose and repression of lignin biosynthesis pathways in rice. | |
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Abstract: Cellulose from plant biomass is the largest renewable energy resource of carbon fixed from the atmosphere, which can be converted into fermentable sugars for production into ethanol. However, the cellulose present as lignocellulosic biomass is embedded in a hemicellulose and lignin matrix from which it needs to be extracted for efficient processing. Here, we show that expression of an Arabidopsis (Arabidopsis thaliana) transcription factor, SHINE (SHN), in rice (Oryza sativa), a model for the grasses, causes a 34% increase in cellulose and a 45% reduction in lignin content. The rice AtSHN lines also exhibit an altered lignin composition correlated with improved digestibility, with no compromise in plant strength and performance. Using a detailed systems-level analysis of global gene expression in rice, we reveal the SHN regulatory network coordinating down-regulation of lignin biosynthesis and up-regulation of cellulose and other cell wall biosynthesis pathway genes. The results thus support the development of nonfood crops and crop wastes with increased cellulose and low lignin with good agronomic performance that could improve the economic viability of lignocellulosic crop utilization for biofuels. |
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| Journal | Plant Physiol. | |
| Country | USA | |
| Volume | 155(2) | |
| Pages | 916-31 | |
| Year | 2011 | |
| PubMed ID | 21205614 | |
| PubMed Central ID | 3032476 | |
| DOI | 10.1104/pp.110.168641 | |
| URL | - | |
| Relation | ||
| Gene | 4CL3 4CL5 ACS5 ACS6 BC6 BC7 CAD1 CAD3 CAD5 CAD6 CAD8A CAD9 CESA1 CESA5 CESA7 CSLC2 CSLD1 CSLE2 CSLF7 ERF1 GH2 MYB20 NAC29 NAC90 RRS1 _ _ _ _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
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Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
