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  1. The glucose–methanol–choline (GMC) superfamily is a large and functionally diverse family of oxidoreductases that share a common structural fold. Fungal members of this superfamily that are characterised and r...

    Authors: Leander Sützl, Gabriel Foley, Elizabeth M J Gillam, Mikael Bodén and Dietmar Haltrich

    Citation: Biotechnology for Biofuels 2019 12:118

    Content type: Research

    Published on:

  2. (Pseudo)Bacteroides cellulosolvens is a cellulolytic bacterium that produces the most extensive and intricate cellulosomal system known in nature. Recently, the elaborate architecture of the B. cellulosolvens cel...

    Authors: Olga Zhivin-Nissan, Bareket Dassa, Ely Morag, Meital Kupervaser, Yishai Levin and Edward A. Bayer

    Citation: Biotechnology for Biofuels 2019 12:115

    Content type: Research

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  3. In the present work, the main inhibitors of the yeast cells (vanillin, furfural, formic, and levulinic acid) were generated by pretreatments or hydrolysis (sulfuric acid or enzymes) to convert reducing sugars ...

    Authors: Cecilia Laluce, Longinus I. Igbojionu, José L. Silva and Clóvis A. Ribeiro

    Citation: Biotechnology for Biofuels 2019 12:114

    Content type: Research

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  4. With the increased attention on bio-based industry, demands for techniques that enable fast and effective strain improvement have been dramatically increased. Evolutionary engineering, which is less dependent ...

    Authors: Jina Yang, Beomhee Kim, Gi Yeon Kim, Gyoo Yeol Jung and Sang Woo Seo

    Citation: Biotechnology for Biofuels 2019 12:113

    Content type: Review

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  5. Clostridium spp. can synthesize valuable chemicals and fuels by utilizing diverse waste-stream substrates, including starchy biomass, lignocellulose, and industrial waste gases. However, metabolic engineering in

    Authors: Gabriele Philipps, Sebastian de Vries and Stefan Jennewein

    Citation: Biotechnology for Biofuels 2019 12:112

    Content type: Research

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  6. Sugarcane (Saccharum spp.) covers vast areas of land (around 25 million ha worldwide), and its processing is already linked into infrastructure for producing bioethanol in many countries. This makes it an ideal c...

    Authors: Wagner Rodrigo de Souza, Thályta Fraga Pacheco, Karoline Estefani Duarte, Bruno Leite Sampaio, Patrícia Abrão de Oliveira Molinari, Polyana Kelly Martins, Thaís Ribeiro Santiago, Eduardo Fernandes Formighieri, Felipe Vinecky, Ana Paula Ribeiro, Bárbara Andrade Dias Brito da Cunha, Adilson Kenji Kobayashi, Rowan Andrew Craig Mitchell, Dasciana de Sousa Rodrigues Gambetta and Hugo Bruno Correa Molinari

    Citation: Biotechnology for Biofuels 2019 12:111

    Content type: Research

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    The Correction to this article has been published in Biotechnology for Biofuels 2019 12:142

  7. Lipolytic enzymes of hyperthermophilic archaea generally prefer small carbon chain fatty acid esters (C2–C12) and are categorized as esterases. However, a few have shown activity with long-chain fatty acid esters...

    Authors: Surabhi Soni, Sneha S. Sathe, Rutuja R. Sheth, Prince Tiwari, Rajesh-Kumar N. Vadgama, Annamma Anil Odaneth, Arvind M. Lali and Sanjeev K. Chandrayan

    Citation: Biotechnology for Biofuels 2019 12:110

    Content type: Research

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  8. Grass glucuronoarabinoxylan (GAX) substitutions can inhibit enzymatic degradation and are involved in the interaction of xylan with cell wall cellulose and lignin, factors which contribute to the recalcitrance...

    Authors: Theodora Tryfona, Mathias Sorieul, Carolina Feijao, Katherine Stott, Denis V. Rubtsov, Nadine Anders and Paul Dupree

    Citation: Biotechnology for Biofuels 2019 12:109

    Content type: Research

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  9. Downregulation of genes involved in lignin biosynthesis and related biochemical pathways has been used as a strategy to improve biofuel production. Plant C1 metabolism provides the methyl units used for the me...

    Authors: Hongli Xie, Nancy L. Engle, Sivasankari Venketachalam, Chang Geun Yoo, Jaime Barros, Mitch Lecoultre, Nikki Howard, Guifen Li, Liang Sun, Avinash C. Srivastava, Sivakumar Pattathil, Yunqiao Pu, Michael G. Hahn, Arthur J. Ragauskas, Richard S. Nelson, Richard A. Dixon…

    Citation: Biotechnology for Biofuels 2019 12:108

    Content type: Research

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  10. Due to the intact structure of lignocellulosic biomass, pretreatment was a prerequisite to improve the enzymatic hydrolysis by disrupting the recalcitrant lignocellulose and increasing the accessibility of cel...

    Authors: Hongdan Zhang, Shihang Huang, Weiqi Wei, Jiajie Zhang and Jun Xie

    Citation: Biotechnology for Biofuels 2019 12:107

    Content type: Research

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  11. Monitoring and providing early warning are essential operations in the anaerobic digestion (AD) process. However, there are still several challenges for identifying the early warning indicators and their thres...

    Authors: Yiran Wu, Adam Kovalovszki, Jiahao Pan, Cong Lin, Hongbin Liu, Na Duan and Irini Angelidaki

    Citation: Biotechnology for Biofuels 2019 12:106

    Content type: Research

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  12. Soil ascomycete fungi produce plant-biomass-degrading enzymes to facilitate nutrient and energy uptake in response to exogenous stress. This is controlled by a complex signal network, but the regulatory mechan...

    Authors: Lu-Sheng Liao, Cheng-Xi Li, Feng-Fei Zhang, Yu-Si Yan, Xue-Mei Luo, Shuai Zhao and Jia-Xun Feng

    Citation: Biotechnology for Biofuels 2019 12:105

    Content type: Research

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  13. Commercial biogas upgrading facilities are expensive and consume energy. Biological biogas upgrading may serve as a low-cost approach because it can be easily integrated with existing facilities at biogas plan...

    Authors: Radziah Wahid, Daniel Girma Mulat, John Christian Gaby and Svein Jarle Horn

    Citation: Biotechnology for Biofuels 2019 12:104

    Content type: Research

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  14. Solid-state fermentation (SSF) mimics the natural decay environment of soil fungi and can be employed to investigate the production of plant biomass-degrading enzymes. However, knowledge on the transcriptional...

    Authors: Shuai Zhao, Qi Liu, Jiu-Xiang Wang, Xu-Zhong Liao, Hao Guo, Cheng-Xi Li, Feng-Fei Zhang, Lu-Sheng Liao, Xue-Mei Luo and Jia-Xun Feng

    Citation: Biotechnology for Biofuels 2019 12:103

    Content type: Research

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  15. Clostridium acetobutylicum is a model fermentative anaerobe for consolidated bioprocessing of lignocellulose hydrolysates into acetone–butanol–ethanol (ABE). However, the main inhibitors (acids, furans and phenol...

    Authors: Huanhuan Liu, Jing Zhang, Jian Yuan, Xiaolong Jiang, Lingyan Jiang, Guang Zhao, Di Huang and Bin Liu

    Citation: Biotechnology for Biofuels 2019 12:101

    Content type: Research

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  16. The urban sewer system is an important component of urban water infrastructure for sewage collection and transportation, and in-sewer transportation of sewage can cause multitudinous contaminant degradations w...

    Authors: Pengkang Jin, Yonggang Gu, Xuan Shi and Wenna Yang

    Citation: Biotechnology for Biofuels 2019 12:100

    Content type: Research

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  17. Miscanthus is a leading bioenergy crop with enormous lignocellulose production potential for biofuels and chemicals. However, lignocellulose recalcitrance leads to biomass process difficulty for an efficient bioe...

    Authors: Aftab Alam, Ran Zhang, Peng Liu, Jiangfeng Huang, Yanting Wang, Zhen Hu, Meysam Madadi, Dan Sun, Ruofei Hu, Arthur J. Ragauskas, Yuanyuan Tu and Liangcai Peng

    Citation: Biotechnology for Biofuels 2019 12:99

    Content type: Research

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  18. Yeast has been the focus of development of cell biofactories for the production of lipids and interest in the field has been driven by the need for sustainably sourced lipids for use in a broad range of indust...

    Authors: Huadong Peng, Lizhong He and Victoria S. Haritos

    Citation: Biotechnology for Biofuels 2019 12:98

    Content type: Research

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  19. Propionic acid (PA), a key platform chemical produced as a by-product during petroleum refining, has been widely used as a food preservative and an important chemical intermediate in many industries. Microbial...

    Authors: Xin Xu, Thomas C. Williams, Christina Divne, Isak S. Pretorius and Ian T. Paulsen

    Citation: Biotechnology for Biofuels 2019 12:97

    Content type: Research

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  20. We recently confirmed that the deactivation of T. reesei cellulases at the air–liquid interface reduces microcrystalline cellulose conversion at low enzyme loadings in shaken flasks. It is one of the main causes ...

    Authors: Samarthya Bhagia, Charles E. Wyman and Rajeev Kumar

    Citation: Biotechnology for Biofuels 2019 12:96

    Content type: Research

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  21. Starch is an inexpensive and renewable raw material for numerous industrial applications. However, most starch-based products are not cost-efficient due to high-energy input needed in traditional enzymatic sta...

    Authors: Wei Fang, Saisai Xue, Pengjun Deng, Xuecheng Zhang, Xiaotang Wang, Yazhong Xiao and Zemin Fang

    Citation: Biotechnology for Biofuels 2019 12:95

    Content type: Research

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  22. 4-Hydroxyphenylacetic acid (4HPAA) is an important building block for synthesizing drugs, agrochemicals, biochemicals, etc. 4HPAA is currently produced exclusively via petrochemical processes and the process i...

    Authors: Yu-Ping Shen, Lai San Fong, Zhi-Bo Yan and Jian-Zhong Liu

    Citation: Biotechnology for Biofuels 2019 12:94

    Content type: Research

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  23. Lignocellulosic biomass is an attractive, inexpensive source of potentially fermentable sugars. However, hydrolysis of lignocellulose results in a complex mixture containing microbial inhibitors at variable co...

    Authors: Anita Singh, Stacy R. Bedore, Nilesh K. Sharma, Sarah A. Lee, Mark A. Eiteman and Ellen L. Neidle

    Citation: Biotechnology for Biofuels 2019 12:91

    Content type: Research

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  24. Simultaneous cofermentation of glucose and xylose mixtures would be a cost-effective solution for the conversion of cellulosic biomass to high-value products. However, most yeasts ferment glucose and xylose se...

    Authors: Saet-Byeol Kim, Deok-Ho Kwon, Jae-Bum Park and Suk-Jin Ha

    Citation: Biotechnology for Biofuels 2019 12:90

    Content type: Research

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  25. Cyanobacteria produce hydrocarbons corresponding to diesel fuels by means of aldehyde-deformylating oxygenase (ADO). ADO catalyzes a difficult and unusual reaction in the conversion of aldehydes to hydrocarbon...

    Authors: Hisashi Kudo, Yuuki Hayashi and Munehito Arai

    Citation: Biotechnology for Biofuels 2019 12:89

    Content type: Research

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  26. Butyric fermentation and a substantial loss of dry matter (DM) often occur in alfalfa silage during the rainy season, which is not conducive to subsequent biofuel production. Currently, there have been negativ...

    Authors: Qinhua Liu, Junfeng Li, Jie Zhao, Jingxing Wu and Tao Shao

    Citation: Biotechnology for Biofuels 2019 12:88

    Content type: Research

    Published on:

  27. Populus (poplar) tree species including hybrid varieties are considered as promising biomass feedstock for biofuels and biochemicals production due to their fast growing, short vegetative cycle, and widely distri...

    Authors: Peiyao Wen, Tian Zhang, Jinye Wang, Zhina Lian and Junhua Zhang

    Citation: Biotechnology for Biofuels 2019 12:87

    Content type: Research

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  28. Lignocellulosic biomass from dedicated energy crops such as Miscanthus spp. is an important tool to combat anthropogenic climate change. However, we still do not exactly understand the sources of cell wall recalc...

    Authors: Ricardo M. F. da Costa, Sivakumar Pattathil, Utku Avci, Ana Winters, Michael G. Hahn and Maurice Bosch

    Citation: Biotechnology for Biofuels 2019 12:85

    Content type: Research

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  29. Shortly after publication of the original article [1], the authors noticed a few errors which are outlined below.

    Authors: Zhen Wang, Qi Qi, Yuping Lin, Yufeng Guo, Yanfang Liu and Qinhong Wang

    Citation: Biotechnology for Biofuels 2019 12:83

    Content type: Correction

    Published on:

    The original article was published in Biotechnology for Biofuels 2019 12:59

  30. Maize brown midrib (bm) mutants associated with impaired lignin biosynthesis are a potential source for the breed of novel germplasms with improved cell wall digestibility. The spontaneous bm5 mutants had been id...

    Authors: Wangdan Xiong, Zhenying Wu, Yuchen Liu, Yu Li, Kunlong Su, Zetao Bai, Siyi Guo, Zhubing Hu, Zhiming Zhang, Yan Bao, Juan Sun, Guofeng Yang and Chunxiang Fu

    Citation: Biotechnology for Biofuels 2019 12:82

    Content type: Research

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  31. Trichoderma reesei is one of the major producers of enzymes for the conversion of plant biomass to sustainable fuels and chemicals. Crude plant biomass can induce the production of CAZymes in T. reesei, but there...

    Authors: Tiziano Benocci, Maria Victoria Aguilar-Pontes, Roland Sándor Kun, Ronnie J. M. Lubbers, Kathleen Lail, Mei Wang, Anna Lipzen, Vivian Ng, Igor V. Grigoriev, Bernhard Seiboth, Paul Daly and Ronald P. de Vries

    Citation: Biotechnology for Biofuels 2019 12:81

    Content type: Research

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  32. Seasonal variation in microalgae production is a significant challenge to developing cost-competitive algae biofuels. Summer production can be three to five times greater than winter production, which could re...

    Authors: Lynn M. Wendt, Christopher Kinchin, Bradley D. Wahlen, Ryan Davis, Thomas A. Dempster and Henri Gerken

    Citation: Biotechnology for Biofuels 2019 12:80

    Content type: Research

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  33. The CYP152 family member OleTJE from Jeotgalicoccus sp. ATCC 8456 has been well-known to catalyze the unusual one-step decarboxylation of free fatty acids towards the formation of terminal alkenes. Efforts to tun...

    Authors: Yuanyuan Jiang, Zhong Li, Cong Wang, Yongjin J. Zhou, Huifang Xu and Shengying Li

    Citation: Biotechnology for Biofuels 2019 12:79

    Content type: Research

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  34. Marine microalga Nannochloropsis is a promising source for the production of renewable and sustainable biodiesel in replacement of depleting petroleum. Other than biodiesel, Nannochloropsis is a green and potenti...

    Authors: Yongjin He, Xiaofei Wang, Hehong Wei, Jianzhi Zhang, Bilian Chen and Feng Chen

    Citation: Biotechnology for Biofuels 2019 12:78

    Content type: Research

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  35. Filamentous fungi are harnessed as cell factories for the production of a diverse range of organic acids, proteins, and secondary metabolites. Growth and morphology have critical implications for product titre...

    Authors: Timothy C. Cairns, Xiaomei Zheng, Ping Zheng, Jibin Sun and Vera Meyer

    Citation: Biotechnology for Biofuels 2019 12:77

    Content type: Review

    Published on:

  36. Lignocellulose biomass is known as a recalcitrant material towards enzymatic hydrolysis, increasing the process cost in biorefinery. In nature, filamentous fungi naturally degrade lignocellulose, using an arse...

    Authors: Gabriel Paës, David Navarro, Yves Benoit, Senta Blanquet, Brigitte Chabbert, Bernard Chaussepied, Pedro M. Coutinho, Sylvie Durand, Igor V. Grigoriev, Mireille Haon, Laurent Heux, Charlène Launay, Antoine Margeot, Yoshiharu Nishiyama, Sana Raouche, Marie-Noëlle Rosso…

    Citation: Biotechnology for Biofuels 2019 12:76

    Content type: Research

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  37. As an important biomass raw material, the lignocellulose in bamboo is of significant value in energy conversion. The conversion of bamboo lignocellulose into fermentable reducing sugar, i.e. the degradation of...

    Authors: Chaobing Luo, Yuanqiu Li, Ying Chen, Chun Fu, Xiang Nong and Yaojun Yang

    Citation: Biotechnology for Biofuels 2019 12:75

    Content type: Research

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  38. Cyanobacteria have the potential to become next-generation cell factories due to their ability to use CO2, light and inorganic nutrients to produce a range of biomolecules of commercial interest. Synechococcus el...

    Authors: D. A. Russo, J. A. Z. Zedler, D. N. Wittmann, B. Möllers, R. K. Singh, T. S. Batth, B. van Oort, J. V. Olsen, M. J. Bjerrum and P. E. Jensen

    Citation: Biotechnology for Biofuels 2019 12:74

    Content type: Research

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  39. Butanol is an important biofuel and chemical. The development of butanol-tolerant strains and the identification of functional butanol-tolerant genes is essential for high-yield bio-butanol production due to t...

    Authors: Xueting He, Tingli Xue, Yuanyuan Ma, Junyan Zhang, Zhiquan Wang, Jiefang Hong, Lanfeng Hui, Jianjun Qiao, Hao Song and Minhua Zhang

    Citation: Biotechnology for Biofuels 2019 12:73

    Content type: Research

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  40. Using a microbial fuel cell (MFC), we observed that a complex microbial community decomposed starch and transferred electrons to a graphite felt anode to generate current. In spite of the same reactor configur...

    Authors: Daisuke Sasaki, Kengo Sasaki, Yota Tsuge and Akihiko Kondo

    Citation: Biotechnology for Biofuels 2019 12:72

    Content type: Research

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  41. Microbial electrosynthesis (MES) is a biocathode-driven process, in which electroautotrophic microorganisms can directly uptake electrons or indirectly via H2 from the cathode as energy sources and CO2 as only ca...

    Authors: Shihao Tian, Haoqi Wang, Zhiwei Dong, Yang Yang, Hao Yuan, Qiong Huang, Tian-shun Song and Jingjing Xie

    Citation: Biotechnology for Biofuels 2019 12:71

    Content type: Research

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  42. Gut symbiotic microbiota plays a critical role in nutrient supply, digestion, and absorption. The bamboo snout beetle, Cyrtotrachelus buqueti, a common pest of several bamboo species, exhibits high lignocelluloly...

    Authors: Chaobing Luo, Yuanqiu Li, Ying Chen, Chun Fu, Wencong Long, Ximeng Xiao, Hong Liao and Yaojun Yang

    Citation: Biotechnology for Biofuels 2019 12:70

    Content type: Research

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  43. The utilization of Chlorella for the dual goals of biofuel production and wastewater nutrient removal is highly attractive. Moreover, this technology combined with flue gas (rich in CO2) cleaning is considered to...

    Authors: Weiguo Zhang, Jiangye Li, Zhenhua Zhang, Guangping Fan, Yuchun Ai, Yan Gao and Gang Pan

    Citation: Biotechnology for Biofuels 2019 12:69

    Content type: Research

    Published on:

  44. Squalene is currently used widely in the food, cosmetics, and medicine industries. It could also replace petroleum as a raw material for fuels. Microbial fermentation processes for squalene production have be...

    Authors: Wen Xu, Jia Yao, Lijun Liu, Xi Ma, Wei Li, Xiaojing Sun and Yang Wang

    Citation: Biotechnology for Biofuels 2019 12:68

    Content type: Research

    Published on:

  45. The regulation of genes related to lipid metabolism by genetic engineering is an important way to increase the accumulation of lipids in microalgae. DNA binding with one finger (DOF) is a plant-specific transc...

    Authors: Bin Jia, Xinfeng Xie, Min Wu, Zijie Lin, Jianbo Yin, Sulin lou, Ying Huang and Zhangli Hu

    Citation: Biotechnology for Biofuels 2019 12:67

    Content type: Research

    Published on: