The thermotolerant methylotrophic yeast Ogataea polymorpha has been regarded as an important organism for basic research and biotechnological applications. It is generally recognized as an efficient and safe cell...
Authors: Laiyou Wang, Aihua Deng, Yun Zhang, Shuwen Liu, Yong Liang, Hua Bai, Di Cui, Qidi Qiu, Xiuling Shang, Zhao Yang, Xiuping He and Tingyi Wen
One important metabolic engineering strategy is to localize the enzymes close to their substrates for improved catalytic efficiency. However, localization configurations become more complex the greater the num...
Authors: Lijun Ye, Xinna Zhu, Tao Wu, Wen Wang, Dongdong Zhao, Changhao Bi and Xueli Zhang
Duckweeds (Lemnaceae) are efficient aquatic plants for wastewater treatment due to their high nutrient-uptake capabilities and resilience to severe environmental conditions. Combined with their rapid growth ra...
Authors: Ozgul Calicioglu, Michael J. Shreve, Tom L. Richard and Rachel A. Brennan
Perfect and low cost of fungal amylolytic and cellulolytic enzymes are prerequisite for the industrialization of plant biomass biorefinergy to biofuels. Genetic engineering of fungal strains based on regulator...
Authors: Gui-Yan Liao, Shuai Zhao, Ting Zhang, Cheng-Xi Li, Lu-Sheng Liao, Feng-Fei Zhang, Xue-Mei Luo and Jia-Xun Feng
Demand-driven biogas production could play an important role for future sustainable energy supply. However, feeding a biogas reactor according to energy demand may lead to organic overloading and, thus, to pro...
Microalgae have drawn great attention as promising sustainable source of lipids and carotenoids. Their lipid and carotenoids accumulation machinery can be trigged by the stress conditions such as nutrient limi...
Authors: Xiao-Man Sun, Lu-Jing Ren, Quan-Yu Zhao, Xiao-Jun Ji and He Huang
Organic carbon sources have been reported to simultaneously increase the growth and lipid accumulation in microalgae. However, there have been no studies of the mixotrophic growth of Porphyridium purpureum in org...
Authors: Kailin Jiao, Wupeng Xiao, Yuanchao Xu, Xianhai Zeng, Shih-Hsin Ho, Edward A. Laws, Yinghua Lu, Xueping Ling, Tuo Shi, Yong Sun, Xing Tang and Lu Lin
Improving lignocellulolytic enzymes’ diffusion and accessibility to their substrate in the plant cell walls is recognised as a critical issue for optimising saccharification. Although many chemical features ar...
Authors: Mickaël Herbaut, Aya Zoghlami and Gabriel Paës
The original version of the article contained a mistake. The accession number has been incorrectly published in the Availability of data and materials section.
Authors: Noriko A. Cassman, Késia S. Lourenço, Janaína B. do Carmo, Heitor Cantarella and Eiko E. Kuramae
Citation:Biotechnology for Biofuels
2018
11:270
Published on: 3 October 2018
The
original article was published in Biotechnology for Biofuels
2018
11:48
The complexity of lignin and hemicellulose segmentation has been known since the middle of the ninetieth century. Studies confirmed that all lignin units in coniferous species and 47–66% of lignin moieties in ...
Authors: Dmitry Tarasov, Mathew Leitch and Pedram Fatehi
Engineered strains of Saccharomyces cerevisiae have significantly improved the prospects of biorefinery by improving the bioconversion yields in lignocellulosic bioethanol production and expanding the product pro...
Authors: Phuong Tran Nguyen Hoang, Ja Kyong Ko, Gyeongtaek Gong, Youngsoon Um and Sun-Mi Lee
Clostridium saccharobutylicum NCP 262 is a solventogenic bacterium that has been used for the industrial production of acetone, butanol, and ethanol. The lack of a genetic manipulation system for C. saccharobutyl...
Authors: Ching-Ning Huang, Wolfgang Liebl and Armin Ehrenreich
Lignocellulosic biomass requires either pretreatment and/or fractionation to recover its individual components for further use as intermediate building blocks for producing fuels, chemicals, and products. Nume...
Authors: Preenaa Moyer, Keonhee Kim, Nourredine Abdoulmoumine, Stephen C. Chmely, Brian K. Long, Danielle Julie Carrier and Nicole Labbé
Cyanobacteria, oxygenic photoautotrophic prokaryotes, can be engineered to produce various valuable chemicals from solar energy and CO2 in direct processes. The concept of photosynthetic production of isobutanol,...
Producing valuable fuels and chemicals from lignin is a key factor for making lignocellulosic biomass economically feasible; however, significant roadblocks exist due to our lack of detailed understanding of h...
Authors: Kai Deng, Jijiao Zeng, Gang Cheng, Jian Gao, Kenneth L. Sale, Blake A. Simmons, Anup K. Singh, Paul D. Adams and Trent R. Northen
The white-rot fungi Ceriporiopsis subvermispora (Cs), Pleurotus eryngii (Pe), and Lentinula edodes (Le) have been shown to be high-potential species for selective delignification of plant biomass. This delignific...
Authors: Gijs van Erven, Nazri Nayan, Anton S. M. Sonnenberg, Wouter H. Hendriks, John W. Cone and Mirjam A. Kabel
Due to the increasing demands of energy and depletion of fossil fuel, bamboo is considered to be one of the most important renewable biological resources on the basis of its advantages of rapid growth ability ...
Authors: Xiaoli Li, Yuzhen Wei, Jie Xu, Ning Xu and Yong He
In the biofuel industry, cellulase plays an indispensable role in hydrolyzing cellulose into fermentable glucose. Trichoderma reesei is a popular filamentous fungus with prominent ability to produce cellulase. Wh...
Authors: Fei Gao, Zhenzhen Hao, Xianhua Sun, Lina Qin, Tong Zhao, Weiquan Liu, Huiying Luo, Bin Yao and Xiaoyun Su
Protein glycosylation pathways have been identified in a variety of bacteria and are best understood in pathogens and commensals in which the glycosylation targets are cell surface proteins, such as S layers, ...
Authors: Jordan Russell, Sun-Ki Kim, Justin Duma, Harald Nothaft, Michael E. Himmel, Yannick J. Bomble, Christine M. Szymanski and Janet Westpheling
The model yeast, Saccharomyces cerevisiae, is not known to be oleaginous. However, an industrial wild-type strain, D5A, was shown to accumulate over 20% storage lipids from glucose when growth is nitrogen-limited...
Authors: Qiaoning He, Yongfu Yang, Shihui Yang, Bryon S. Donohoe, Stefanie Van Wychen, Min Zhang, Michael E. Himmel and Eric P. Knoshaug
Methanol has become an attractive substrate for biotechnological applications due to its abundance and low-price. Chemicals production from methanol could alleviate the environmental concerns, costs, and forei...
Authors: Wenming Zhang, Meng Song, Qiao Yang, Zhongxue Dai, Shangjie Zhang, Fengxue Xin, Weiliang Dong, Jiangfeng Ma and Min Jiang
Biogas production is an attractive technology for a sustainable generation of renewable energy. Although the microbial community is fundamental for such production, the process control is still limited to tech...
Authors: Anja Grohmann, Yevhen Vainshtein, Ellen Euchner, Christian Grumaz, Dieter Bryniok, Ralf Rabus and Kai Sohn
To mitigate the climate change caused by CO2 emission, the global incentive to the low-carbon alternatives as replacement of fossil fuel-derived products continuously expands the need for renewable feedstock. The...
Authors: Si-Yu Li, I-Son Ng, Po Ting Chen, Chung-Jen Chiang and Yun-Peng Chao
Lignocellulosic biomass, such as wood and straw, is an interesting feedstock for the production of fermentable sugars. However, mainly due to the presence of lignin, this type of biomass is recalcitrant to sac...
Authors: Lisanne de Vries, Ruben Vanholme, Rebecca Van Acker, Barbara De Meester, Lisa Sundin and Wout Boerjan
Lignin is a crucial molecule for terrestrial plants, as it offers structural support and permits the transport of water over long distances. The hardness of lignin reduces plant digestibility by cattle and she...
Authors: Mojdeh Faraji, Luis L. Fonseca, Luis Escamilla-Treviño, Jaime Barros-Rios, Nancy L. Engle, Zamin K. Yang, Timothy J. Tschaplinski, Richard A. Dixon and Eberhard O. Voit
Applying very high gravity (VHG) fermentation conditions to the sugarcane juice (SCJ) bioethanol industry would improve its environmental and economic sustainability without the need for major infrastructure c...
Authors: Bruno Monteiro, Pedro Ferraz, Mário Barroca, Sandra H. da Cruz, Tony Collins and Cândida Lucas
Butanol has been regarded as an important bulk chemical and advanced biofuel; however, large scaling butanol production by solventogenic Clostridium sp. is still not economically feasible due to the high cost of ...
Authors: Fengxue Xin, Wei Yan, Jie Zhou, Hao Wu, Weiliang Dong, Jiangfeng Ma, Wenming Zhang and Min Jiang
Thraustochytrids are heterotrophic, oleaginous, marine protists with a significant potential for biofuel production. High-value co-products can off-set production costs; however, the cost of raw materials, and...
Authors: Alexandra Merkx-Jacques, Holly Rasmussen, Denise M. Muise, Jeremy J. R. Benjamin, Haila Kottwitz, Kaitlyn Tanner, Michael T. Milway, Laura M. Purdue, Mark A. Scaife, Roberto E. Armenta and David L. Woodhall
Schizochytrium sp. is a promising strain for the production of docosahexaenoic acid (DHA)-rich oil and biodiesel, and has been widely used in the food additive and bioenergy industries. Oxygen is a particularly i...
Authors: Zhi-Qian Bi, Lu-Jing Ren, Xue-Chao Hu, Xiao-Man Sun, Si-Yu Zhu, Xiao-Jun Ji and He Huang
Xylan removal by bacterial pretreatments has been confirmed to increase the digestibility of biomass. Here, an effective xylan removal technique has been developed to enhance the digestibility of wheat straw a...
Authors: Haipeng Guo, Chuntao Hong, Bingsong Zheng, Dean Jiang and Wensheng Qin
Sugarcane bagasse is an abundant and geographically widespread agro-industrial residue with high carbohydrate content, making it a strong candidate feedstock for the bio-based economy. This study examines the ...
Authors: Clementine L. Chambon, Thandeka Y. Mkhize, Prashant Reddy, Agnieszka Brandt-Talbot, Nirmala Deenadayalu, Paul S. Fennell and Jason P. Hallett
Milling during fermentation, termed cotreatment, has recently been proposed as an alternative to thermochemical pretreatment as a means to increase the accessibility of lignocellulosic biomass to biological at...
Authors: Sanchari Ghosh, Evert K. Holwerda, Robert S. Worthen, Lee R. Lynd and Brenden P. Epps
MicroRNAs are a class of endogenous non-coding RNAs that play a vital role in post-transcriptional gene regulation in eukaryotic cells. In plants and animals, miRNAs are implicated in diverse roles ranging fro...
Authors: Sulin Lou, Ting Sun, Hui Li and Zhangli Hu
Biogenic and biogenic-thermogenic coalbed methane (CBM) are important energy reserves for unconventional natural gas. Thus, to investigate biogenic gas formation mechanisms, a series of fresh coal samples from...
Clostridium thermocellum has been the subject of multiple metabolic engineering strategies to improve its ability to ferment cellulose to ethanol, with varying degrees of success. For ethanol production in C. the...
Authors: Shuen Hon, Evert K. Holwerda, Robert S. Worthen, Marybeth I. Maloney, Liang Tian, Jingxuan Cui, Paul P. Lin, Lee R. Lynd and Daniel G. Olson
Anaerobic fermentation of lignocellulose occurs in both natural and managed environments, and is an essential part of the carbon cycle as well as a promising route to sustainable production of fuels and chemic...
Authors: Xiaoyu Liang, Jason M. Whitham, Evert K. Holwerda, Xiongjun Shao, Liang Tian, Yu-Wei Wu, Vincent Lombard, Bernard Henrissat, Dawn M. Klingeman, Zamin K. Yang, Mircea Podar, Tom L. Richard, James G. Elkins, Steven D. Brown and Lee R. Lynd
The microbial production of fatty acids has received great attention in the last few years as feedstock for the production of renewable energy. The main advantage of using cyanobacteria over other organisms is...
Authors: María Santos-Merino, M. Pilar Garcillán-Barcia and Fernando de la Cruz
Lignin is a potential feedstock for microbial conversion into various chemicals. However, the degradation rate of native or technical lignin is low, and depolymerization is needed to obtain reasonable conversi...
Authors: Krithika Ravi, Omar Y. Abdelaziz, Matthias Nöbel, Javier García-Hidalgo, Marie F. Gorwa-Grauslund, Christian P. Hulteberg and Gunnar Lidén
Production of biofuels and bioenergy precursors by phototrophic microorganisms, such as microalgae and cyanobacteria, is a promising alternative to conventional fuels obtained from non-renewable resources. Sev...
Authors: Juan D. Tibocha-Bonilla, Cristal Zuñiga, Rubén D. Godoy-Silva and Karsten Zengler
Increasing the efficiency of enzymatic biomass degradation is crucial for a more economically feasible conversion of abundantly available plant feedstock. Synergistic effects between the enzymes deployed in th...
Authors: Jonathan Herlet, Wolfgang H. Schwarz, Vladimir V. Zverlov, Wolfgang Liebl and Petra Kornberger
Replacing fossil fuels as energy carrier requires alternatives that combine sustainable production, high volumetric energy density, easy and fast refueling for mobile applications, and preferably low risk of h...
Authors: Fabian M. Schwarz, Kai Schuchmann and Volker Müller
Alkali used for pH control during fermentation and acidification for downstream recovery of succinic acid (SA) are the two largest cost contributors for bio-based SA production. To promote the commercializatio...
Authors: Chong Li, Shi Gao, Xiaotong Li, Xiaofeng Yang and Carol Sze Ki Lin
To reduce emissions from petrochemical refinement, bio-production has been heralded as a way to create economically valuable compounds with fewer harmful effects. For example, gaseous alkenes are precursor mol...
Authors: James Wilson, Sarah Gering, Jessica Pinard, Ryan Lucas and Brandon R. Briggs
Taking into account its thermotolerance, high growth rate, and broad substrate spectrum, Kluyveromyces marxianus can be considered an ideal consolidated bioprocessing (CBP). A major obstacle to ethanol production...
Authors: Jungang Zhou, Peixia Zhu, Xiaoyue Hu, Hong Lu and Yao Yu
Recently, it has been indicated that free nitrous acid (FNA) and Fenton pre-treatment of waste activated sludge can enhance methane production in anaerobic digestion of waste activated sludge. In addition, it ...
Authors: Seyed Mostafa Hallaji, Ali Torabian, Behnoush Aminzadeh, Soraya Zahedi and Nicky Eshtiaghi
The filamentous fungus Trichoderma reesei, the most widely used cellulase producer, also has promising applications in lignocellulose-based biorefinery: consolidated bioprocessing for the production of high value...
Authors: Guokun Wang, Wendi Jia, Na Chen, Ke Zhang, Lixian Wang, Pin Lv, Ronglin He, Min Wang and Dongyuan Zhang
Astaxanthin is a natural carotenoid pigment with tremendous antioxidant activity and great commercial value. Microbial production of astaxanthin via metabolic engineering has become a promising alternative. Al...
Authors: Jin Jin, Ying Wang, Mingdong Yao, Xiaoli Gu, Bo Li, Hong Liu, Mingzhu Ding, Wenhai Xiao and Yingjin Yuan
Bioethanol production processes with Saccharomyces cerevisiae using lignocellulosic biomass as feedstock are challenged by the simultaneous utilization of pentose and hexose sugars from biomass hydrolysates. The ...
Authors: Verena Oehling, Paul Klaassen, Oliver Frick, Christian Dusny and Andreas Schmid
The bioconversion of lignocellulosic biomass in various industrial processes, such as the production of biofuels, requires the degradation of hemicellulose. Clostridium stercorarium is a thermophilic bacterium, w...
Authors: Jannis Broeker, Matthias Mechelke, Melanie Baudrexl, Denise Mennerich, Daniel Hornburg, Matthias Mann, Wolfgang H. Schwarz, Wolfgang Liebl and Vladimir V. Zverlov
