α-l-Arabinofuranosidase (ARA), a debranching enzyme that can remove arabinose substituents from arabinoxylan and arabinoxylooligomers (AXOS), promotes the hydrolysis of the arabinoxylan fraction of biomass; howev...
Authors: Donglin Xin, Xiang Chen, Peiyao Wen and Junhua Zhang
Kluyveromyces marxianus, the known fastest-growing eukaryote on the earth, has remarkable thermotolerance and capacity to utilize various agricultural residues to produce low-cost bioethanol, and hence is industr...
Authors: Wenjuan Mo, Mengzhu Wang, Rongrong Zhan, Yao Yu, Yungang He and Hong Lu
Several anaerobic bacteria produce butyric acid, a commodity chemical with use in chemical, pharmaceutical, food and feed industries, using complex media with acetate as a co-product. Butyrate titer of various...
Authors: Liang Wang, Diane Chauliac, Brelan E. Moritz, Guimin Zhang, Lonnie O. Ingram and K. T. Shanmugam
Acetate, an economical industrial chemical, which is also the precursor of acetyl-CoA, could serve as an alternative substrate for biomanufacturing. This nontraditional substrate can be widely produced from sy...
Authors: Qin Xu, Chenxiao Bai, Yiqi Liu, Lili Song, Lin Tian, Yunfeng Yan, Jinfeng Zhou, Xiangshan Zhou, Yuanxing Zhang and Menghao Cai
Biological routes for utilizing both carbohydrates and lignin are important to reach the ultimate goal of bioconversion of full carbon in biomass into biofuels and biochemicals. Recent biotechnology advances h...
Authors: Xiaolu Li, Yucai He, Libing Zhang, Zhangyang Xu, Haoxi Ben, Matthew J. Gaffrey, Yongfu Yang, Shihui Yang, Joshua S. Yuan, Wei-Jun Qian and Bin Yang
High-temperature fermentation is desirable for the industrial production of ethanol, which requires thermotolerant yeast strains. However, yeast thermotolerance is a complicated quantitative trait. The underst...
Authors: Zhen Wang, Qi Qi, Yuping Lin, Yufeng Guo, Yanfang Liu and Qinhong Wang
Lytic polysaccharide monooxygenases (LPMOs) are abundant in nature and best known for their role in the enzymatic conversion of recalcitrant polysaccharides such as chitin and cellulose. LPMO activity requires...
Authors: Vincent G. H. Eijsink, Dejan Petrovic, Zarah Forsberg, Sophanit Mekasha, Åsmund K. Røhr, Anikó Várnai, Bastien Bissaro and Gustav Vaaje-Kolstad
The presence of lignin normally affects enzymatic saccharification of lignocellulose detrimentally. However, positive effects of lignin on enzymatic hydrolysis have been recently reported. Enzyme–lignin intera...
Authors: Chenhuan Lai, Bo Yang, Zihe Lin, Yuan Jia, Caoxing Huang, Xin Li, Xiangyang Song and Qiang Yong
Lignin is a potential feedstock for microbial conversion into various chemicals. However, the microbial degradation rate of native or technical lignin is low, and chemical depolymerization is needed to obtain ...
Authors: Krithika Ravi, Omar Y. Abdelaziz, Matthias Nöbel, Javier García-Hidalgo, Marie F. Gorwa-Grauslund, Christian P. Hulteberg and Gunnar Lidén
Lignocellulosic biomass is considered as a promising alternative to fossil resources for the production of fuels, materials and chemicals. Efficient enzymatic systems are needed to degrade the plant cell wall ...
Authors: Camille Filiatrault-Chastel, David Navarro, Mireille Haon, Sacha Grisel, Isabelle Herpoël-Gimbert, Didier Chevret, Mathieu Fanuel, Bernard Henrissat, Senta Heiss-Blanquet, Antoine Margeot and Jean-Guy Berrin
Unlike conventional cultivation systems, liquid mixing in floating photobioreactors (PBRs) is solely induced by their hydrodynamic movement in response to waves, and this movement is affected by the wave condi...
Authors: Chenba Zhu, Zhanyou Chi, Chunwei Bi, Yunpeng Zhao and Haibo Cai
To overcome the daunting technical and economic barriers of algal biofuels, we evaluated whether seawater can be a viable medium for economically producing filamentous Spirulina subsalsa as feedstock, using monos...
Authors: Liqun Jiang, Jiongming Sun, Changliang Nie, Yizhen Li, Jackson Jenkins and Haiyan Pei
Zymomonas mobilis is a model bacterial ethanologen with many systems biology studies reported. Besides lignocellulosic ethanol production, Z. mobilis has been developed as a platform for biochemical production th...
Authors: Yongfu Yang, Wei Shen, Ju Huang, Runxia Li, Yubei Xiao, Hui Wei, Yat-Chen Chou, Min Zhang, Michael E. Himmel, Shouwen Chen, Li Yi, Lixin Ma and Shihui Yang
Liquid hot water (LHW) pretreatment has been considered as one of the most industrially viable and environment-friendly methods for facilitating the transformation of lignocelluloses into biofuels through biol...
Authors: Xiaolin Luo, Jing Liu, Peitao Zheng, Meng Li, Yang Zhou, Liulian Huang, Lihui Chen and Li Shuai
Inefficient utilization of glycerol by Clostridium beijerinckii (Cb) is a major impediment to adopting glycerol metabolism as a strategy for increasing NAD(P)H regeneration, which would in turn, alleviate the tox...
Authors: Chidozie Victor Agu, Victor Ujor and Thaddeus Chukwuemeka Ezeji
The thermotolerant yeast Kluyveromyces marxianus is a potential candidate for high-temperature fermentation. When K. marxianus was used for high-temperature ethanol fermentation, a fermentation arrest was observe...
Authors: Pengsong Li, Xiaofen Fu, Ming Chen, Lei Zhang and Shizhong Li
Cellulose and hemicellulose are the two largest components in lignocellulosic biomass. Enzymes with activities towards cellulose and xylan have attracted great interest in the bioconversion of lignocellulosic ...
Authors: Kui Wang, Ruoting Cao, Meiling Wang, Qibin Lin, Ruoting Zhan, Hui Xu and Sidi Wang
Beer is the most popular alcoholic beverage worldwide. In the manufacture of beer, various by-products and residues are generated, and the most abundant (85% of total by-products) are spent grains. Thanks to i...
Authors: Simona Giacobbe, Alessandra Piscitelli, Francesca Raganati, Vincenzo Lettera, Giovanni Sannia, Antonio Marzocchella and Cinzia Pezzella
Microbial fuel cells (MFCs) are effective biofuel devices that use indigenous microbes to directly convert chemical energy from organics oxidation into bioelectric energy. To maximize energy-converting efficie...
Authors: Bin Xu, John Chiwei Lan, Qingjiang Sun, Chungchuan Hsueh and Bor-Yann Chen
Lignocellulosic biomass is an abundant and sustainable feedstock, which represents a promising raw material for the production of lactic acid via microbial fermentation. However, toxic compounds that affect mi...
Authors: Martina Aulitto, Salvatore Fusco, David Benjamin Nickel, Simonetta Bartolucci, Patrizia Contursi and Carl Johan Franzén
Renewable energy has become a field of high interest over the past decade, and production of biofuels from cellulosic substrates has a particularly high potential as an alternative source of energy. Industrial...
Authors: Amaranta Kahn, Sarah Moraïs, Anastasia P. Galanopoulou, Daehwan Chung, Nicholas S. Sarai, Neal Hengge, Dimitris G. Hatzinikolaou, Michael E. Himmel, Yannick J. Bomble and Edward A. Bayer
Cyanobacteria are ideal model organisms to exploit photosynthetically derived electrons or fixed carbon for the biotechnological synthesis of high value compounds and energy carriers. Much effort is spent on t...
Authors: Marcel Grund, Torsten Jakob, Christian Wilhelm, Bruno Bühler and Andreas Schmid
Polysaccharide monooxygenases (PMOs) play an important role in the enzymatic degradation of cellulose. They have been demonstrated to able to C6-oxidize cellulose to produce C6-hexodialdoses. However, the biol...
Authors: Jinyin Chen, Xiuna Guo, Min Zhu, Chen Chen and Duochuan Li
Many microbes used for the rapid discovery and development of metabolic pathways have sensitivities to final products and process reagents. Isopentenol (3-methyl-3-buten-1-ol), a biogasoline candidate, has an ...
Authors: Yusuke Sasaki, Thomas Eng, Robin A. Herbert, Jessica Trinh, Yan Chen, Alberto Rodriguez, John Gladden, Blake A. Simmons, Christopher J. Petzold and Aindrila Mukhopadhyay
Lignocellulosic hydrolysates contain a mixture of hexose (C6)/pentose (C5) sugars and pretreatment-generated inhibitors (furans, weak acids and phenolics). Therefore, robust yeast isolates with characteristics...
Authors: Ajay Kumar Pandey, Mohit Kumar, Sonam Kumari, Priya Kumari, Farnaz Yusuf, Shaik Jakeer, Sumera Naz, Piyush Chandna, Ishita Bhatnagar and Naseem A. Gaur
Light/dark cycling is an inevitable outdoor culture condition for microalgal biofuel production; however, the influence of this cycling on cellular lipid production has not been clearly established. The genera...
Authors: Yuichi Kato, Yusuke Fujihara, Christopher J. Vavricka, Jo-Shu Chang, Tomohisa Hasunuma and Akihiko Kondo
Translational regulation played an important role in the correct folding of heterologous proteins to form bioactive conformations during biogenesis. Translational pausing coordinates protein translation and co...
Authors: Xihao Liao, Jing Zhao, Shuli Liang, Jingjie Jin, Cheng Li, Ruiming Xiao, Lu Li, Meijin Guo, Gong Zhang and Ying Lin
Lignocellulosic biomass is considered as a potential source for sustainable biofuels. In the conversion process, a pretreatment step is necessary in order to overcome the biomass recalcitrance and allow for s...
Authors: Christoph-Maximilian Seidel, Simone Brethauer, László Gyenge, Philipp Rudolf von Rohr and Michael H. Studer
The filamentous fungus Trichoderma reesei produces cellulase enzymes that are widely studied for lignocellulose bioconversion to biofuel. N,N-dimethylformamide (DMF) is a versatile organic solvent used in large q...
Authors: Yumeng Chen, Chuan Wu, Yaling Shen, Yushu Ma, Dongzhi Wei and Wei Wang
The industrial conversion of biomass to high-value biofuels and biochemical is mainly restricted by lignocellulose solubilization. Consolidated bio-saccharification (CBS) is considered a promising process for ...
Authors: Shiyue Liu, Ya-Jun Liu, Yingang Feng, Bin Li and Qiu Cui
Enzymatic hydrolysis is a major step for cellulosic ethanol production. A thorough understanding of enzymatic hydrolysis is necessary to help design optimal conditions and economical systems. The original HCH-...
Authors: Chao Liang, Chao Gu, Jonathan Raftery, M. Nazmul Karim and Mark Holtzapple
This review presents a critical assessment of emerging microfluidic technologies for the application on biological productions of biofuels and other chemicals from microalgae. Comparisons of cell culture desig...
Authors: Pierre Bodénès, Hsiang-Yu Wang, Tsung-Hua Lee, Hung-Yu Chen and Chun-Yen Wang
Lignin is the most abundant aromatic substrate on Earth and its valorization technologies are still under developed. Depolymerization and fragmentation are the predominant preparatory strategies for valorizati...
Authors: Zhaoxian Xu, Peng Lei, Rui Zhai, Zhiqiang Wen and Mingjie Jin
Clostridium acetobutylicum and Clostridium saccharobutylicum are Gram-positive, spore-forming, anaerobic bacterium capable of converting various sugars and polysaccharides into solvents (acetone, butanol, and eth...
Authors: Celine Foulquier, Ching-Ning Huang, Ngoc-Phuong-Thao Nguyen, Axel Thiel, Tom Wilding-Steel, Julie Soula, Minyeong Yoo, Armin Ehrenreich, Isabelle Meynial-Salles, Wolfgang Liebl and Philippe Soucaille
Biofilms with immobilized cells encased in extracellular polymeric substance are beneficial for industrial fermentation. Their formation is regulated by various factors, including nitric oxide (NO), which is r...
Bioprocessing offers a sustainable and green approach to manufacture various chemicals and materials. Development of bioprocesses requires transforming common producer strains to cell factories. 13C metabolic flu...
Authors: Ruilian Yao, Jiawei Li, Lei Feng, Xuehong Zhang and Hongbo Hu
The green alga Chlorella zofingiensis has been recognized as an industrially relevant strain because of its robust growth under multiple trophic conditions and the potential for simultaneous production of triacyl...
Authors: Xuemei Mao, Tao Wu, Yaping Kou, Ying Shi, Yu Zhang and Jin Liu
Microalgae are an important feedstock in industries. Currently, efforts are being made in the non-phototrophic cultivation of microalgae for biomass production. Studies have shown that mixotrophy is a more eff...
Authors: Xiaobin Wen, Huanping Tao, Xinan Peng, Zhongjie Wang, Yi Ding, Yan Xu, Lin Liang, Kui Du, Aoqi Zhang, Caixia Liu, Yahong Geng and Yeguang Li
Substrate spectra for anaerobic digestion have been broadened in the past decade, inter alia, due to the application of different pretreatment strategies and now include materials rich in lignocellulose, prote...
Authors: Andreas Otto Wagner, Eva Maria Prem, Rudolf Markt, Rüdiger Kaufmann and Paul Illmer
Following publication of the original article [1], the authors reported that the omission of author name.
Authors: Evert K. Holwerda, Robert S. Worthen, Ninad Kothari, Ronald C. Lasky, Brian H. Davison, Chunxiang Fu, Zeng-Yu Wang, Richard A. Dixon, Ajaya K. Biswal, Debra Mohnen, Richard S. Nelson, Holly L. Baxter, Mitra Mazarei, C. Neal Stewart Jr., Wellington Muchero, Gerald A. Tuskan…
Citation:Biotechnology for Biofuels
2019
12:25
Published on: 9 February 2019
The
original article was published in Biotechnology for Biofuels
2019
12:15
The production of biohydrogen (H2) as a promising future fuel in anaerobic hyperthermophiles has attracted great attention because H2 formation is more thermodynamically feasible at elevated temperatures and fewe...
Authors: Seong Hyuk Lee, Min-Sik Kim, Sung Gyun Kang and Hyun Sook Lee
Microbial electrolysis cells (MECs) can be used for energy recovery and sludge reduction in wastewater treatment. Electric current density, which represents the rate of wastewater treatment and H2 production, is ...
Due to its wide range of applications in the food, pharmaceutical and chemical fields, microbial synthesis of succinic acid is receiving growing attention, generating already relevant industrial results, as we...
Authors: Donatella Cimini, Lucio Zaccariello, Sergio D’Ambrosio, Licia Lama, Giovanna Ruoppolo, Olimpia Pepe, Vincenza Faraco and Chiara Schiraldi
Nannochloropsis oceanica belongs to a large group of photoautotrophic eukaryotic organisms that play important roles in fixation and cycling of atmospheric CO2. Its capability of storing solar energy and carbon d...
Authors: Chaoyun Chen, Andreas Harst, Wuxin You, Jian Xu, Kang Ning and Ansgar Poetsch
Xylose isomerase (XI) and xylose reductase/xylitol dehydrogenase (XR/XDH) pathways have been extensively used to confer xylose assimilation capacity to Saccharomyces cerevisiae and tackle one of the major bottlen...
Authors: Joana T. Cunha, Pedro O. Soares, Aloia Romaní, Johan M. Thevelein and Lucília Domingues
Recently, we showed that steady-state continuous cultures of S.stipitis follow the principles of growth on mixture of two complementary substrates. More precisely, when such cultures are fed with progressively h...
Among all organisms tested, Haematococcus pluvialis can accumulate the highest levels of natural astaxanthin. Nitrogen starvation and high irradiance promote the accumulation of starch, lipid, and astaxanthin in
Authors: Luodong Huang, Baoyan Gao, Manman Wu, Feifei Wang and Chengwu Zhang
Methanol has attracted increased attention as a non-food alternative carbon source to sugar for biological production of chemicals and fuels. Moreover, the high degree of reduction of methanol offers some adva...
Ricinoleic acid is a high-value hydroxy fatty acid with broad industrial applications. Hiptage benghalensis seed oil contains a high amount of ricinoleic acid (~ 80%) and represents an emerging source of this unu...
Authors: Bo Tian, Tianquan Lu, Yang Xu, Ruling Wang and Guanqun Chen
The recalcitrance of cellulosic biomass is widely recognized as a key barrier to cost-effective biological processing to fuels and chemicals, but the relative impacts of physical, chemical and genetic interven...
Authors: Evert K. Holwerda, Robert S. Worthen, Ninad Kothari, Ronald C. Lasky, Brian H. Davison, Chunxiang Fu, Zeng-Yu Wang, Richard A. Dixon, Ajaya K. Biswal, Debra Mohnen, Richard S. Nelson, Holly L. Baxter, Mitra Mazarei, C. Neal Stewart Jr., Wellington Muchero, Gerald A. Tuskan…
