BRIGE: Metabolic Cell-Process Engineering (MCPE) for High Biobutanol Production by Clostridium tyrobutyricum

BRIGE:酪丁酸梭菌高生物丁醇生产的代谢细胞过程工程 (MCPE)

基本信息

  • 批准号:
    1342390
  • 负责人:
  • 金额:
    $ 17.46万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-01-01 至 2015-12-31
  • 项目状态:
    已结题

项目摘要

The proposed research deals with engineering strategies to improve biobutanol production from low-cost, bacteria-based biomass technologies. Technical Description: This project seeks to achieve high-titer and high-yield butanol production by the bacterium Clostridium tyrobutyricum. Particularly, an innovative engineering approach, i.e., Metabolic Cell-Process Engineering (MCPE), will be developed to substantially increase biobutanol production through understanding the interaction between a host cell and its fermentation process. Specifically, it is planned to: 1) Develop a fundamental understanding of the response of a recently metabolically engineered C. tyrobutyricum mutant cell to various chemicals (e.g., electron carriers and inorganic salts), and identify cost effective chemicals to boost the NADH (Reduced Nicotinamide Adenine Dinucleotide) pool and detoxify the inhibitors from biomass hydrolysate. A Design of Experiment (DOE) approach will be used to screen and identify the chemicals needed for redox balance and detoxification. 2) Double butanol production via MCPE by increasing intracellular NADH and reducing the toxicity of biomass hydrolysate. The construction of a novel redox engineered mutant (MCE) and development of fermentation process with timed addition of the identified chemicals (MPE) will be integrated and utilized in butanol production.Broader Significance and Importance: Butanol is an important industrial solvent and a safe alternative transportation fuel that can be dispersed through existing pipelines and filling stations. Over the past decades, intensive efforts have been made to produce low-cost biobutanol using low-value biomass. However, biobutanol production still suffers from low yields and effective concentrations due to a variety of chemical issues associated with existing processes. The proposed MCPE engineering strategy has the potential to double biobutanol production, at a projected cost under $2.5 per gallon. Therefore, successfully developing the proposed technology can serve the public interest by providing a safe, renewable energy source while protecting natural resources and the environment. Many bioenergy industries and other areas of academic research would benefit from the development of novel engineering strain using MCPE.Broadening Participation of Underrepresented Groups in Engineering: This project also aims to broaden the participation of underrepresented groups and increase diversity. The Department of Chemical and Biological Engineering (ChBE) with over 600 undergraduates has historically attracted about 40 % women and more than 60 % of the students are interested in Biotech industry and graduate programs. Therefore, it is very important to enhance the ChBE curriculum by taking advantage of the unique 6-year Biotech industrial experiences of the PI. Specifically, a serial of bioproduction unit operations (e.g. novel bioreactor design and biobutanol fermentation demo run) will be designed and introduced to the traditional ChBE 319 Unit Operation Lab course. These new features can expand the students' knowledge of industry bioproduction and benefit their career goal development. Suitable biochemical reaction and titration experiments and guest lectures will be introduced to K-12 students through Alabama Science in Motion (ASIM) that covers 9 counties in west Alabama, including the impoverish Black Belt area. Outreach activities such as recruiting women researchers through SWE and REU and mentoring them in PI lab are also planned. This research has been funded through the Broadening Participation Research Initiation Grants in Engineering solicitation, which is part of the Broadening Participation in Engineering Program of the Engineering Education and Centers Division.
拟议的研究涉及工程策略,以提高生物丁醇生产的低成本,细菌为基础的生物质技术。 技术描述:本项目旨在通过酪丁酸梭菌实现高效价和高产丁醇生产。特别是,创新的工程方法,即,代谢细胞过程工程(MCPE)将通过了解宿主细胞及其发酵过程之间的相互作用来大幅提高生物丁醇的产量。具体而言,计划:1)发展对最近代谢工程C的反应的基本理解。酪丁酸菌突变体细胞对各种化学物质的敏感性(例如,电子载体和无机盐),并确定成本有效的化学品,以提高NADH(还原型烟酰胺腺嘌呤二核苷酸)池和解毒的抑制剂从生物质水解产物。实验设计(DOE)方法将用于筛选和确定氧化还原平衡和解毒所需的化学品。2)通过增加细胞内NADH和降低生物质水解产物的毒性经由MCPE生产双丁醇。构建新型氧化还原工程突变体(MCE)和开发定时添加已鉴定化学品的发酵工艺(MPE)将被集成并用于丁醇生产。更广泛的意义和重要性:丁醇是一种重要的工业溶剂和安全的替代运输燃料,可以通过现有管道和加油站分散。在过去的几十年里,人们已经做出了大量的努力来利用低价值的生物质生产低成本的生物丁醇。然而,由于与现有工艺相关的各种化学问题,生物丁醇生产仍然遭受低产率和有效浓度的困扰。拟议的MCPE工程战略有可能使生物丁醇产量翻一番,预计成本低于每加仑2.5美元。因此,成功开发所提出的技术可以通过提供安全的可再生能源,同时保护自然资源和环境来服务于公众利益。许多生物能源行业和其他学术研究领域将受益于使用MCPE开发新的工程菌株。扩大代表性不足的群体在工程中的参与:该项目还旨在扩大代表性不足的群体的参与并增加多样性。化学和生物工程系(ChBE)拥有600多名本科生,历史上吸引了约40%的女性,60%以上的学生对生物技术行业和研究生课程感兴趣。因此,利用PI独特的6年生物技术工业经验来加强ChBE课程是非常重要的。具体而言,一系列生物生产单元操作(例如新型生物反应器设计和生物丁醇发酵演示运行)将被设计并引入传统的ChBE 319单元操作实验室课程。这些新的特点可以扩展学生对工业生物生产的认识,有利于他们职业目标的发展。合适的生化反应和滴定实验和客座讲座将介绍给K-12学生通过亚拉巴马科学运动(ASIM),涵盖9个县在西部亚拉巴马,包括印第安人黑带地区。还计划开展外联活动,如通过瑞典妇女教育局和瑞典教育和研究所招聘女研究人员,并在PI实验室指导她们。 这项研究已通过工程招标,这是工程教育和中心司的工程计划的扩大参与的一部分,扩大参与研究启动赠款资助。

项目成果

期刊论文数量(0)
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Xiaoguang Liu其他文献

15 alpha-Hydroxylation of a steroid (13-ethyl-gon-4-en-3,17-dione) by Penicillium raistrickii in an ionic liquid/aqueous biphasic system
离子液体/水双相系统中青霉对类固醇(13-乙基-gon-4-en-3,17-二酮)的 15 α-羟基化
  • DOI:
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Boyuan Hua;Na Wang;Xiaoguang Liu;Lu, Fuping
  • 通讯作者:
    Lu, Fuping
A Water Extract of Bushen Huoxue Compounds Improves Osteoporosis via Transcriptional and Translational Regulation of Key Factors in Notch and Wnt/β-catenin Signaling Pathways in Ovariectomized Rats
补肾活血化合物的水提取物通过对卵巢切除大鼠中 Notch 和 Wnt/β-catenin 信号通路关键因子的转录和翻译调节来改善骨质疏松症
  • DOI:
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yingquan Xiong;Hengrui Liu;Jiefang Wang;Lu Xiang;Zhidi Wu;Haixia Wang;Ling Ou;Xiaoyun Li;Xiaoguang Liu;Haibin He;Bojia Peng;Shu Mo;Xunqian Peng;Ya Tian;Panpan Wang;Ji Fan;Li Yang;Xiaofeng Zhu;Zhang Ronghua
  • 通讯作者:
    Zhang Ronghua
Resource-Efficient Index Shard Replication in Large Scale Search Engines
大规模搜索引擎中资源高效的索引分片复制
Experimental testing and modeling of partial nitrification at different temperatures
  • DOI:
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Xiaoguang Liu
  • 通讯作者:
    Xiaoguang Liu
Petrogenesis of newly identified Neoarchean granitoids in the Qingyuan of NE China: Implications on crustal growth and reworking of the North China Craton
中国东北清远地区新发现的新太古代花岗岩类的岩石成因:对华北克拉通地壳生长和改造的启示
  • DOI:
    10.1016/j.jseaes.2022.105333
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    3
  • 作者:
    Changquan Cheng;Jin Liu;Jian Zhang;Ying Chen;Changqing Yin;Xiaoguang Liu;Jiahui Qian;Peng Gao;Xiao Wang
  • 通讯作者:
    Xiao Wang

Xiaoguang Liu的其他文献

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{{ truncateString('Xiaoguang Liu', 18)}}的其他基金

EAGER: Biomanufacturing: Metabolic cell process engineering (MCPE)-based stirred-tank bioproduction of large quantities of human T cells
EAGER:生物制造:基于代谢细胞过程工程 (MCPE) 的大量人类 T 细胞的搅拌罐生物生产
  • 批准号:
    1719625
  • 财政年份:
    2017
  • 资助金额:
    $ 17.46万
  • 项目类别:
    Standard Grant
EAGER: Biomanufacturing: Metabolic cell process engineering (MCPE)-based stirred-tank bioproduction of large quantities of human T cells
EAGER:生物制造:基于代谢细胞过程工程 (MCPE) 的大量人类 T 细胞的搅拌罐生物生产
  • 批准号:
    1645031
  • 财政年份:
    2017
  • 资助金额:
    $ 17.46万
  • 项目类别:
    Standard Grant
Reconfigurable Bandpass Sampling Receivers for Software-Defined Radio Applications
适用于软件定义无线电应用的可重新配置带通采样接收器
  • 批准号:
    1444086
  • 财政年份:
    2014
  • 资助金额:
    $ 17.46万
  • 项目类别:
    Standard Grant

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