Metagenomic analysis and optimization of hydrogen production from sugarcane bagasse

被引：32
作者：
Soares, Lais Americo [1 ]
Borges Silva Rabelo, Camila Abreu [1 ]
Sakamoto, Isabel Kimiko [1 ]
Delforno, Tiago Paladino [2 ]
Silva, Edson Luis [3 ]
Amancio Varesche, Maria Bernadete [1 ]
机构：
[1] Univ Sao Paulo, Joao Dagnone Ave 1100, BR-13563120 Sao Carlos, SP, Brazil
[2] Res Ctr Chem Biol & Agr, BR-13081970 Campinas, SP, Brazil
[3] Univ Fed Sao Carlos, Rod Washington Luis,Km 235, BR-13565905 Sao Carlos, SP, Brazil
来源：
BIOMASS & BIOENERGY | 2018年 / 117卷
基金：
巴西圣保罗研究基金会;
关键词：
Hydrogen production; Hydrothermal pretreatment; Lignocellulosic biomass; Metagenomic analysis; Response surface methodology; WASTE-WATER; SP-NOV; FERMENTATION; BIOMASS; PRETREATMENT; GENES;
D O I：
10.1016/j.biombioe.2018.07.018
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The substrate and yeast extract (YE) concentrations of a batch reactor were changed according to a central composite design in order to optimize the conversion of sugarcane bagasse (SCB) into hydrogen. The optimum hydrogen production (1.50 mmol/L) was obtained using 2.77 and 5.84 g/L of YE and SCB, respectively. Taxonomic analysis using the SEED database indicated that Clostridium (33% of total communities) and Methanothermobacter (40% of archaeal community) were the most abundant genera in the high hydrogen performance reactor. Key microorganisms and related pathways involved in all steps of the anaerobic digestion were further revealed and may help drive sugarcane bagasse bioconversion.
引用
收藏
页码：78 / 85
页数：8
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