Evaluation of a transgenic poplar as a potential biomass crop for biofuel production

Young Hoon Jung, Hong Joo Cho, Jae Soon Lee, Eun Woon Noh, Ohkmae Kim, Kyoung Heon Kim

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A transgenic poplar, in which the RabG3bCA gene from Arabidopsis was overexpressed, was analyzed for its biomass composition and enzymatic digestibility after chemical pretreatment. In comparison with a wild-type poplar (WT), the transgenic poplar (OX8) showed 9.8% higher glucan content. The levels of other biomass components did not differ greatly between WT and OX8. When WT and OX8 samples were pretreated by sulfuric acid (1%, w/v at 190 °C), sodium hydroxide (1%, w/v at 190 °C), or ammonia (14%, w/w at 80 °C), the washed pretreated solids of OX8 exhibited a higher enzymatic digestibility than those of WT in each chemical pretreatment. The sodium hydroxide pretreatment was the most effective among the three pretreatment processes, showing 58.7% and 69.4% of theoretical glucose yield from the saccharification of pretreated OX8 and WT, respectively. The transgenic poplar, growing faster and taller, was found to contain more glucan and have a higher enzymatic digestibility than WT.

Original languageEnglish
Pages (from-to)639-641
Number of pages3
JournalBioresource Technology
Volume129
DOIs
Publication statusPublished - 2013 Feb 1

Fingerprint

Sodium Hydroxide
Glucans
Biofuels
digestibility
biofuel
Crops
Biomass
Sodium
Saccharification
crop
hydroxide
biomass
Sulfuric acid
Ammonia
sodium
Glucose
Genes
sulfuric acid
glucose
ammonia

Keywords

  • Biofuel
  • Biomass
  • Enzymatic digestibility
  • Pretreatment
  • Transgenic poplar

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Evaluation of a transgenic poplar as a potential biomass crop for biofuel production. / Jung, Young Hoon; Cho, Hong Joo; Lee, Jae Soon; Noh, Eun Woon; Kim, Ohkmae; Kim, Kyoung Heon.

In: Bioresource Technology, Vol. 129, 01.02.2013, p. 639-641.

Research output: Contribution to journalArticle

Jung, Young Hoon ; Cho, Hong Joo ; Lee, Jae Soon ; Noh, Eun Woon ; Kim, Ohkmae ; Kim, Kyoung Heon. / Evaluation of a transgenic poplar as a potential biomass crop for biofuel production. In: Bioresource Technology. 2013 ; Vol. 129. pp. 639-641.
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