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, Wellington Muchero, Gerald A. Tuskan, Charles M. Cai…
In the past few decades, microalgae biofuel has become one of the most interesting sources of renewable energy. However, the higher cost of microalgae biofuel compared to that of petroleum prevented microalgae...
Authors: Nannan Li, Yan Zhang, Hongjun Meng, Shengting Li, Shufeng Wang, Zhongchun Xiao, Peng Chang, Xiaohui Zhang, Qing Li, Liang Guo, Yasuo Igarashi and Feng Luo
The alginate oligosaccharides have been widely used in agriculture, medicine, and food industries due to their versatile physiological functions such as antioxidant, anticoagulant, and antineoplastic activitie...
Authors: Benwei Zhu, Fang Ni, Yun Sun, Limin Ning and Zhong Yao
Due to biomass recalcitrance, including complexity of lignocellulosic matrix, crystallinity of cellulose, and inhibition of lignin, the bioconversion of lignocellulosic biomass is difficult and inefficient. Th...
Authors: Yanjuan Zhang, Min Huang, Jianmei Su, Huayu Hu, Mei Yang, Zuqiang Huang, Dong Chen, Juan Wu and Zhenfei Feng
Genetic modification of plant cell walls has been implemented to reduce lignocellulosic recalcitrance for biofuel production. Plant glycoside hydrolase family 9 (GH9) comprises endo-β-1,4-glucanase in plants. ...
Authors: Jiangfeng Huang, Tao Xia, Guanhua Li, Xianliang Li, Ying Li, Yanting Wang, Youmei Wang, Yuanyuan Chen, Guosheng Xie, Feng-Wu Bai, Liangcai Peng and Lingqiang Wang
Cellulosic biofuels are sustainable compared to fossil fuels. However, inhibitors, such as acetic acid generated during lignocellulose pretreatment and hydrolysis, would significantly inhibit microbial ferment...
Authors: Bo Wu, Han Qin, Yiwei Yang, Guowei Duan, Shihui Yang, Fengxue Xin, Chunyan Zhao, Huanhuan Shao, Yanwei Wang, Qili Zhu, Furong Tan, Guoquan Hu and Mingxiong He
Soybean oil constitutes an important source of vegetable oil and biofuel. However, high temperature and humidity adversely impacts soybean seed development, yield, and quality during plant development and afte...
Authors: Gaoyang Zhang, Sung-Chul Bahn, Geliang Wang, Yanrui Zhang, Beibei Chen, Yuliang Zhang, Xuemin Wang and Jian Zhao
Based on our previous studies of 17 Prunus sibirica germplasms, one plus tree with high quality and quantity of seed oils has emerged as novel potential source of biodiesel. To better develop P. sibirica seed oil...
Authors: Jia Wang, Weijun Lin, Zhongdong Yin, Libing Wang, ShuBin Dong, Jiyong An, Zixin Lin, Haiyan Yu, Lingling Shi, Shanzhi Lin and Shaoliang Chen
With the increasing global population and increasing demand for food, the generation of food waste and animal manure increases. Anaerobic digestion is one of the best available technologies for food waste and ...
Authors: Yan Jiang, Conor Dennehy, Peadar G. Lawlor, Zhenhu Hu, Matthew McCabe, Paul Cormican, Xinmin Zhan and Gillian E. Gardiner
The forest biorefinery plays an important part in the evolving circular bioeconomy due to its capacity to produce a portfolio of bio-based and sustainable fuels, chemicals, and materials. To tap into its true ...
Authors: Johanna Olsson, Vera Novy, Fredrik Nielsen, Ola Wallberg and Mats Galbe
To improve process economics for production of fuels and chemicals from lignocellulosic biomass, high solids concentrations are applied in enzymatic hydrolysis, to increase product concentration and reduce ene...
Authors: Noah D. Weiss, Claus Felby and Lisbeth G. Thygesen
As a ubiquitous filamentous fungal, Aspergillus spp. play a critical role in lignocellulose degradation, which was also defined as considerable cell factories for organic acids and industrially relevant enzymes p...
Authors: Jiaxi Miao, Mengmeng Wang, Lei Ma, Tuo Li, Qiwei Huang, Dongyang Liu and Qirong Shen
Cyanobacteria are potential sources for third generation biofuels. Their capacity for biofuel production has been widely improved using metabolically engineered strains. In this study, we employed metabolic en...
Authors: Kamonchanock Eungrasamee, Rui Miao, Aran Incharoensakdi, Peter Lindblad and Saowarath Jantaro
Harnessing the halotolerant characteristics of microalgae provides a viable alternative for sustainable biomass and triacylglyceride (TAG) production. Scenedesmus sp. IITRIND2 is a fast growing fresh water microa...
Authors: Neha Arora, Poonam Kumari, Amit Kumar, Rashmi Gangwar, Khushboo Gulati, Parul A. Pruthi, Ramasare Prasad, Dinesh Kumar, Vikas Pruthi and Krishna Mohan Poluri
Raw-starch-digesting glucoamylases (RSDGs) from filamentous fungi have great commercial values in starch processing; however, the regulatory mechanisms associated with their production in filamentous fungi rem...
Authors: Mei-Yuan Zhang, Shuai Zhao, Yuan-Ni Ning, Li-Hao Fu, Cheng-Xi Li, Qi Wang, Ran You, Chen-Ying Wang, Han-Nan Xu, Xue-Mei Luo and Jia-Xun Feng
Geranylgeranyl reductase (GGR) is a flavin-containing redox enzyme that hydrogenates a variety of unactivated polyprenyl substrates, which are further processed mostly for lipid biosynthesis in archaea or chlo...
Authors: Corey W. Meadows, Florence Mingardon, Brett M. Garabedian, Edward E. K. Baidoo, Veronica T. Benites, Andria V. Rodrigues, Raya Abourjeily, Angelique Chanal and Taek Soon Lee
Lignin is a recalcitrant aromatic polymer that is a potential feedstock for renewable fuel and chemical production. Rhodococcus opacus PD630 is a promising strain for the biological upgrading of lignin due to its...
Authors: William R. Henson, Fong-Fu Hsu, Gautam Dantas, Tae Seok Moon and Marcus Foston
The efficient depolymerization and utilization of lignin are one of the most important goals for the renewable use of lignocelluloses. The degradation and complete mineralization of lignin by bacteria represen...
Authors: Daochen Zhu, Haibing Si, Peipei Zhang, Alei Geng, Weimin Zhang, Bin Yang, Wei-Jun Qian, Murillo Gabriel and Jianzhong Sun
In the kraft-based dissolving pulp production process, pre-hydrolysis liquor (PHL) is produced, which contains hemicelluloses, lignin, furfural and acetic acid. PHL is currently burned in the recovery boiler o...
Authors: Jiachuan Chen, Jiran Dong, Guihua Yang, Ming He, Feng Xu and Pedram Fatehi
Ensiling cannot be utilized as a stand-alone pretreatment for sugar-based biorefinery processes but, in combination with hydrothermal processing, it can enhance pretreatment while ensuring a stable long-term s...
Camelina sativa has attracted much interest as alternative renewable resources for biodiesel, other oil-based industrial products and a source for edible oils. Its unique oil attributes attract research to engine...
Authors: Hesham M. Abdullah, Sudesh Chhikara, Parisa Akbari, Danny J. Schnell, Ashwani Pareek and Om Parkash Dhankher
High-throughput evaluation of lignocellulosic biomass feedstock quality is the key to the successful commercialization of bioethanol production. Currently, wet chemical methods for the determination of chemica...
Authors: Meng Li, Siyang He, Jun Wang, Zuxin Liu and Guang Hui Xie
The non-productive adsorption of cellulases onto lignin in biomass is a key issue for the biofuel process economy. It would be helpful to reduce the inhibitory effect of lignin on enzymatic hydrolysis by engin...
Authors: Zhen Wang, Tianrui Zhang, Liangkun Long and Shaojun Ding
Corn stover, as one important lignocellulosic material, has characteristics of low price, abundant output and easy availability. Using corn stover as carbon source in the fermentation of valuable organic chemi...
Authors: Yong Wang, Jinlong Liu, Di Cai and Guoqun Zhao
Sugarcane bagasse (SCB) is one of the most promising lignocellulosic biomasses for use in the production of biofuels. However, bioethanol production from pure SCB fermentation is still limited by its high proc...
Authors: Meishan Fan, Shuaishuai Zhang, Guangying Ye, Hongdan Zhang and Jun Xie
Camelina (Camelina sativa L.) is a promising oilseed crop that may provide sustainable feedstock for biofuel production. One of the major drawbacks of Camelina is its smaller seeds compared to other major oil cro...
Authors: GunNam Na, Niranjan Aryal, Abdelhak Fatihi, Jinling Kang and Chaofu Lu
Botryococcus braunii is known for its high hydrocarbon content, thus making it a strong candidate feedstock for biofuel production. Previous study has revealed that a high cobalt concentration can promote hydroca...
Authors: Pengfei Cheng, Chengxu Zhou, Yan Wang, Zhihui Xu, Jilin Xu, Dongqing Zhou, Yinghui Zhang, Haizhen Wu, Xuezhi Zhang, Tianzhong Liu, Ming Tang, Qiyong Yang, Xiaojun Yan and Jianhua Fan
The filamentous microalgae Tribonema minus accumulates large amounts of lipids under photoautotrophic condition, while under heterotrophic condition, the lipid content decreased dramatically. Determination of the...
Authors: Hui Wang, Yan Zhang, Wenjun Zhou, Leksawasdi Noppol and Tianzhong Liu
Oxygen-evolving photosynthetic microorganisms, collectively termed as microalgae, are gaining attention as alternative fuel sources. The unicellular alga Coccomyxa sp. strain KJ that belongs to the class Trebouxi...
Authors: Yuya Yoshimitsu, Jun Abe and Shigeaki Harayama
The lignin peroxidase isozyme H8 from the white-rot fungus Phanerochaete chrysosporium (LiPH8) demonstrates a high redox potential and can efficiently catalyze the oxidation of veratryl alcohol, as well as the de...
Authors: Le Thanh Mai Pham, Hogyun Seo, Kyung-Jin Kim and Yong Hwan Kim
Dilute oxalic acid pretreatment has drawn much attention because it could selectively hydrolyse the hemicellulose fraction during lignocellulose pretreatment. However, there are few studies focusing on the rec...
Authors: Banggui Cheng, Xiao Zhang, Qixuan Lin, Fengxue Xin, Runcang Sun, Xiaohui Wang and Junli Ren
The low secretion levels of cellobiohydrolase I (CBHI) in yeasts are one of the key barriers preventing yeast from directly degrading and utilizing lignocellulose. To overcome this obstacle, we have explored t...
Authors: Qi Xu, Markus Alahuhta, Hui Wei, Eric P. Knoshaug, Wei Wang, John O. Baker, Todd Vander Wall, Michael E. Himmel and Min Zhang
Fumaric acid is widely used in food and pharmaceutical industries and is recognized as a versatile industrial chemical feedstock. Increasing concerns about energy and environmental problems have resulted in a ...
Authors: Shuying Gu, Jingen Li, Bingchen Chen, Tao Sun, Qian Liu, Dongguang Xiao and Chaoguang Tian
The greenhouse gas (GHG) mitigation is one of the most important environmental benefits of using bioenergy replacing fossil fuels. Nitrous oxide (N2O) and methane (CH4) are important GHGs and have drawn extra att...
Authors: Jia Mi, Wei Liu, Xuhong Zhao, Lifang Kang, Cong Lin, Juan Yan and Tao Sang
The use of inedible lignocellulosic biomasses for biomanufacturing provides important environmental and economic benefits for society. Efficient co-utilization of lignocellulosic biomass-derived sugars, primar...
Authors: Zhaojuan Zheng, Ting Jiang, Lihua Zou, Shuiping Ouyang, Jie Zhou, Xi Lin, Qin He, Limin Wang, Bo Yu, Haijun Xu and Jia Ouyang
Effective enzymatic degradation of crystalline polysaccharides requires a synergistic cocktail of hydrolytic enzymes tailored to the wide-ranging degree of substrate crystallinity. To accomplish this type of t...
Authors: Abhishek A. Kognole and Christina M. Payne
Biological pretreatment is an environmentally safe method for disrupting recalcitrant structures of lignocellulose and thereby improving their hydrolysis efficiency. Expansin and expansin-like proteins act syn...
Authors: Yuhao Duan, Yuanyuan Ma, Xudong Zhao, Renliang Huang, Rongxin Su, Wei Qi and Zhimin He
Metabolic engineering has emerged as a potential strategy for improving microalgal lipid content through targeted changes to lipid metabolic networks. However, the intricate nature of lipogenesis has impeded m...
Authors: Xiang Wang, Hong-Po Dong, Wei Wei, Srinivasan Balamurugan, Wei-Dong Yang, Jie-Sheng Liu and Hong-Ye Li
Biofilms are cell communities wherein cells are embedded in a self-produced extracellular polymeric substances (EPS). The biofilm of Clostridium acetobutylicum confers the cells superior phenotypes and has been e...
Although various pre-treatment methods have been developed to disrupt the structure of lignocellulosic biomass, high dosage of cellulases is still required to hydrolyze lignocellulose to fermentable sugars. En...
Authors: Ye Yuan, Rui Zhai, Ying Li, Xiangxue Chen and Mingjie Jin
The filamentous fungus Trichoderma reesei (anamorph of Hypocrea jecorina) displays increased cellulase expression while growing on inducers such as lactose or cellulose. However, the mechanism of cellulase induct...
Authors: Gen Zou, Yanping Jiang, Rui Liu, Zhihua Zhu and Zhihua Zhou
In photosynthetic oleaginous microalgae, acyl-CoA molecules are used as substrates for the biosynthesis of membrane glycerolipids, triacylglycerol (TAG) and other acylated molecules. Acyl-CoA can also be direc...
Authors: Xiahui Hao, Ling Luo, Juliette Jouhet, Fabrice Rébeillé, Eric Maréchal, Hanhua Hu, Yufang Pan, Xiaoming Tan, Zhuo Chen, Lingjie You, Hong Chen, Fang Wei and Yangmin Gong
The authors have retracted this article [1] because due to a mistake in the laboratory, SEC analyses of some of the lignin samples used had already been published as part of another article [2]. The data in th...
Authors: Krithika Ravi, Omar Y. Abdelaziz, Matthias Nöbel, Javier García-Hidalgo, Marie F. Gorwa-Grauslund, Christian P. Hulteberg and Gunnar Lidén
Citation:Biotechnology for Biofuels
2018
11:313
Published on: 12 November 2018
The
original article was published in Biotechnology for Biofuels
2018
11:240
Acetylated galactoglucomannan (AcGGM) is a complex hemicellulose found in softwoods such as Norway spruce (Picea abies). AcGGM has a large potential as a biorefinery feedstock and source of oligosaccharides for h...
Authors: Leszek Michalak, Svein Halvor Knutsen, Ida Aarum and Bjørge Westereng
The recalcitrant structure of lignocellulosic biomass made it challenging for their bioconversion into biofuels and biochemicals. Pretreatment was required to deconstruct the intact structure by the removal of...
Authors: Hongdan Zhang, Weiqi Wei, Jiajie Zhang, Shihang Huang and Jun Xie
Due to scarcity of fossil fuel, the importance of alternative energy sources is ever increasing. The oleaginous microalgae have demonstrated their potential as an alternative source of energy, but have not ach...
Authors: Chitralekha Nag Dasgupta, Sanjeeva Nayaka, Kiran Toppo, Atul Kumar Singh, Uday Deshpande and Amitabikram Mohapatra
The biological production of 2,3-butanediol from xylose-rich raw materials from Klebsiella pneumoniae is a low-cost process. RpoD, an encoding gene of the sigma factor, is the key element in global transcription ...
