QIBEBT-IR  > 能源作物分子育种研究组
Lignification of Sheepgrass Internodes at Different Developmental Stages and Associated Alteration of Cell Wall Saccharification Efficiency
Wang, Jianli1,2; Ma, Lichao2,3; Shen, Zhongbao1; Sun, Dequan1; Zhong, Peng4; Bai, Zetao2,3; Zhang, Hailing1,2; Cao, Yingping2,3; Bao, Yan2,3; Fu, Chunxiang2,3
2017-03-27
Source PublicationFRONTIERS IN PLANT SCIENCE
Volume8
AbstractSheepgrass (Leymus chinensis) is a high-quality cool-season forage crop used as pasture and hay for livestock feeds. The presence of lignin in cell walls, however, impairs forage digestibility of such lignocellulosic feedstock. Here, the structural characterization and cell wall composition of sheepgrass internodes were studied, and a progressive increase in cell wall lignification was observed with internode maturation. Lignin composition analysis further revealed a gradual accumulation of guaiacyl and syringyl lignin units during internode development. Consistently, the transcript abundance of lignin-related genes was upregulated in mature internodes, suggesting their potential roles in lignin biosynthesis. Furthermore, the effects of cell wall composition and lignification extent on biomass saccharification efficiency were examined in sheepgrass. The results showed that lignin content, guaiacyl and syringyl lignin unit levels inversely correlated with cell wall digestibility, indicating that lignin is a crucial obstacle for utilizing sheepgrass feedstock. The baseline information obtained in this work will facilitate establishment, grazing management, harvesting and feedstock utilization of sheepgrass in future.
SubtypeArticle
KeywordCell Wall Forage Lignification Saccharification Sheepgrass
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.3389/fpls.2017.00414
WOS KeywordGRASS BRACHYPODIUM-DISTACHYON ; FERMENTABLE SUGAR YIELDS ; LIGNIN BIOSYNTHESIS ; LEYMUS-CHINENSIS ; GENE-EXPRESSION ; MONOLIGNOL BIOSYNTHESIS ; BIOFUEL PRODUCTION ; MAIZE ; SWITCHGRASS ; SORGHUM
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
Funding Organization"100-Talent Program of the Chinese Academy of Sciences" foundation ; major research project of Heilongjiang Academy of Agricultural Sciences (Germplasm Resource Renewal of Frozen Crops in Heilongjiang Province)
WOS SubjectPlant Sciences
WOS IDWOS:000397426600002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9308
Collection能源作物分子育种研究组
Affiliation1.Heilongjiang Acad Agr Sci, Grass & Sci Inst, Harbin, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Shandong Prov Key Lab Energy Genet, Key Lab Biofuels, Qingdao, Peoples R China
3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioprocess Technol, Qingdao Engn Res Ctr Biomass Resources & Environm, Qingdao, Peoples R China
4.Heilongjiang Acad Agr Sci, Rural Energy Res Inst, Harbin, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jianli,Ma, Lichao,Shen, Zhongbao,et al. Lignification of Sheepgrass Internodes at Different Developmental Stages and Associated Alteration of Cell Wall Saccharification Efficiency[J]. FRONTIERS IN PLANT SCIENCE,2017,8.
APA Wang, Jianli.,Ma, Lichao.,Shen, Zhongbao.,Sun, Dequan.,Zhong, Peng.,...&Fu, Chunxiang.(2017).Lignification of Sheepgrass Internodes at Different Developmental Stages and Associated Alteration of Cell Wall Saccharification Efficiency.FRONTIERS IN PLANT SCIENCE,8.
MLA Wang, Jianli,et al."Lignification of Sheepgrass Internodes at Different Developmental Stages and Associated Alteration of Cell Wall Saccharification Efficiency".FRONTIERS IN PLANT SCIENCE 8(2017).
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