Cell Wall Composition and Bioenergy Potential of Rice Straw Tissues Are Influenced by Environment, Tissue Type, and Genotype

Paul Tanger, Miguel E. Vega-Sánchez, Margaret Fleming, Kim Tran, Seema Singh, James B. Abrahamson, Courtney E. Jahn, Nicholas Santoro, Elizabeth B. Naredo, Marietta Baraoidan, John Danku, David E Salt, Kenneth L. McNally, Blake A. Simmons, Pamela C. Ronald, Hei Leung, Daniel R. Bush, John K. McKay, Jan E. Leach

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Breeding has transformed wild plant species into modern crops, increasing the allocation of their photosynthetic assimilate into grain, fiber, and other products for human use. Despite progress in increasing the harvest index, much of the biomass of crop plants is not utilized. Potential uses for the large amounts of agricultural residues that accumulate are animal fodder or bioenergy, though these may not be economically viable without additional efforts such as targeted breeding or improved processing. We characterized leaf and stem tissue from a diverse set of rice genotypes (varieties) grown in two environments (greenhouse and field) and report bioenergy-related traits across these variables. Among the 16 traits measured, cellulose, hemicelluloses, lignin, ash, total glucose, and glucose yield changed across environments, irrespective of the genotypes. Stem and leaf tissue composition differed for most traits, consistent with their unique functional contributions and suggesting that they are under separate genetic control. Plant variety had the least influence on the measured traits. High glucose yield was associated with high total glucose and hemicelluloses, but low lignin and ash content. Bioenergy yield of greenhouse-grown biomass was higher than field-grown biomass, suggesting that greenhouse studies overestimate bioenergy potential. Nevertheless, glucose yield in the greenhouse predicts glucose yield in the field (ρ=0.85, p<0.01) and could be used to optimize greenhouse (GH) and field breeding trials. Overall, efforts to improve cell wall composition for bioenergy require consideration of production environment, tissue type, and variety.
Original languageEnglish
Pages (from-to)1165-1182
Number of pages18
JournalBioEnergy Research
Volume8
Issue number3
Early online date11 Jan 2015
DOIs
Publication statusPublished - Sep 2015

Fingerprint

Straw
rice straw
cell wall components
bioenergy
Greenhouses
Glucose
Cells
Tissue
Ashes
glucose
genotype
greenhouses
Chemical analysis
Biomass
Lignin
hemicellulose
Crops
lignin
breeding
Agricultural wastes

Keywords

  • environmental variation
  • mixed linkage glucan
  • saccharification efficiency
  • HRGPs
  • density
  • forage

Cite this

Tanger, P., Vega-Sánchez, M. E., Fleming, M., Tran, K., Singh, S., Abrahamson, J. B., ... Leach, J. E. (2015). Cell Wall Composition and Bioenergy Potential of Rice Straw Tissues Are Influenced by Environment, Tissue Type, and Genotype. BioEnergy Research, 8(3), 1165-1182. https://doi.org/10.1007/s12155-014-9573-y

Cell Wall Composition and Bioenergy Potential of Rice Straw Tissues Are Influenced by Environment, Tissue Type, and Genotype. / Tanger, Paul; Vega-Sánchez, Miguel E. ; Fleming, Margaret ; Tran, Kim; Singh, Seema; Abrahamson, James B. ; Jahn, Courtney E. ; Santoro, Nicholas ; Naredo, Elizabeth B. ; Baraoidan, Marietta ; Danku, John; Salt, David E; McNally, Kenneth L.; Simmons, Blake A. ; Ronald, Pamela C.; Leung, Hei; Bush, Daniel R. ; McKay, John K. ; Leach, Jan E. .

In: BioEnergy Research, Vol. 8, No. 3, 09.2015, p. 1165-1182.

Research output: Contribution to journalArticle

Tanger, P, Vega-Sánchez, ME, Fleming, M, Tran, K, Singh, S, Abrahamson, JB, Jahn, CE, Santoro, N, Naredo, EB, Baraoidan, M, Danku, J, Salt, DE, McNally, KL, Simmons, BA, Ronald, PC, Leung, H, Bush, DR, McKay, JK & Leach, JE 2015, 'Cell Wall Composition and Bioenergy Potential of Rice Straw Tissues Are Influenced by Environment, Tissue Type, and Genotype', BioEnergy Research, vol. 8, no. 3, pp. 1165-1182. https://doi.org/10.1007/s12155-014-9573-y
Tanger, Paul ; Vega-Sánchez, Miguel E. ; Fleming, Margaret ; Tran, Kim ; Singh, Seema ; Abrahamson, James B. ; Jahn, Courtney E. ; Santoro, Nicholas ; Naredo, Elizabeth B. ; Baraoidan, Marietta ; Danku, John ; Salt, David E ; McNally, Kenneth L. ; Simmons, Blake A. ; Ronald, Pamela C. ; Leung, Hei ; Bush, Daniel R. ; McKay, John K. ; Leach, Jan E. . / Cell Wall Composition and Bioenergy Potential of Rice Straw Tissues Are Influenced by Environment, Tissue Type, and Genotype. In: BioEnergy Research. 2015 ; Vol. 8, No. 3. pp. 1165-1182.
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AU - Tanger, Paul

AU - Vega-Sánchez, Miguel E.

AU - Fleming, Margaret

AU - Tran, Kim

AU - Singh, Seema

AU - Abrahamson, James B.

AU - Jahn, Courtney E.

AU - Santoro, Nicholas

AU - Naredo, Elizabeth B.

AU - Baraoidan, Marietta

AU - Danku, John

AU - Salt, David E

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AU - Simmons, Blake A.

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AB - Breeding has transformed wild plant species into modern crops, increasing the allocation of their photosynthetic assimilate into grain, fiber, and other products for human use. Despite progress in increasing the harvest index, much of the biomass of crop plants is not utilized. Potential uses for the large amounts of agricultural residues that accumulate are animal fodder or bioenergy, though these may not be economically viable without additional efforts such as targeted breeding or improved processing. We characterized leaf and stem tissue from a diverse set of rice genotypes (varieties) grown in two environments (greenhouse and field) and report bioenergy-related traits across these variables. Among the 16 traits measured, cellulose, hemicelluloses, lignin, ash, total glucose, and glucose yield changed across environments, irrespective of the genotypes. Stem and leaf tissue composition differed for most traits, consistent with their unique functional contributions and suggesting that they are under separate genetic control. Plant variety had the least influence on the measured traits. High glucose yield was associated with high total glucose and hemicelluloses, but low lignin and ash content. Bioenergy yield of greenhouse-grown biomass was higher than field-grown biomass, suggesting that greenhouse studies overestimate bioenergy potential. Nevertheless, glucose yield in the greenhouse predicts glucose yield in the field (ρ=0.85, p<0.01) and could be used to optimize greenhouse (GH) and field breeding trials. Overall, efforts to improve cell wall composition for bioenergy require consideration of production environment, tissue type, and variety.

KW - environmental variation

KW - mixed linkage glucan

KW - saccharification efficiency

KW - HRGPs

KW - density

KW - forage

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