Production of high concentrated cellulosic ethanol by acetone/water oxidized pretreated beech wood.

abstract：Background:Functional sugar alcohols have been widely used in the food, medicine, and pharmaceutical industries for their unique properties. Among these, erythritol is a zero calories sweetener produced by the yeast Yarrowia lipolytica. However, in wild-type strains, erythritol is produced with low productivity and yie...

journal_title：Biotechnology for biofuels

authors： Wang N,Chi P,Zou Y,Xu Y,Xu S,Bilal M,Fickers P,Cheng H

更新日期：2020-10-20 00:00:00

abstract：Background:Anaerobic digestion, whose final products are methane and carbon dioxide, ensures energy flow and circulation of matter in ecosystems. This naturally occurring process is used for the production of renewable energy from biomass. Lactate, a common product of acidic fermentation, is a key intermediate in anaer...

journal_title：Biotechnology for biofuels

authors： Detman A,Mielecki D,Pleśniak Ł,Bucha M,Janiga M,Matyasik I,Chojnacka A,Jędrysek MO,Błaszczyk MK,Sikora A

更新日期：2018-04-21 00:00:00

abstract：Background:Cyanobacteria, a group of photosynthetic prokaryotes, are being increasingly explored for direct conversion of carbon dioxide to useful chemicals. However, efforts to engineer these photoautotrophs have resulted in low product titers. This may be ascribed to the bottlenecks in metabolic pathways, which need ...

journal_title：Biotechnology for biofuels

authors： Sengupta S,Jaiswal D,Sengupta A,Shah S,Gadagkar S,Wangikar PP

更新日期：2020-05-18 00:00:00

abstract：Background:Clostridium thermocellum is a promising microorganism for conversion of cellulosic biomass to biofuel, without added enzymes; however, the low ethanol titer produced by strains developed thus far is an obstacle to industrial application. Results:Here, we analyzed changes in the relative concentration of int...

journal_title：Biotechnology for biofuels

authors： Tian L,Perot SJ,Stevenson D,Jacobson T,Lanahan AA,Amador-Noguez D,Olson DG,Lynd LR

更新日期：2017-11-30 00:00:00

abstract：BACKGROUND:To ensure reliable sources of energy and raw materials, the utilization of sustainable biomass has considerable advantages over petroleum-based energy sources. Photosynthetic algae have attracted attention as a third-generation feedstock for biofuel production, because algae cultivation does not directly com...

journal_title：Biotechnology for biofuels

authors： Hasunuma T,Matsuda M,Senga Y,Aikawa S,Toyoshima M,Shimakawa G,Miyake C,Kondo A

更新日期：2014-12-31 00:00:00

abstract：BACKGROUND:The conversion of biomass-derived sugars via enzymatic hydrolysis for biofuel production is a challenge. Therefore, the search for microorganisms and key enzymes that increase the efficiency of the saccharification of cellulosic substrates remains an important and high-priority area of study. Trichoderma har...

journal_title：Biotechnology for biofuels

authors： Santos CA,Zanphorlin LM,Crucello A,Tonoli CCC,Ruller R,Horta MAC,Murakami MT,de Souza AP

更新日期：2016-03-22 00:00:00

abstract：BACKGROUND:Integration of second-generation (2G) bioethanol production with existing first-generation (1G) production may facilitate commercial production of ethanol from cellulosic material. Since 2G hydrolysates have a low sugar concentration and 1G streams often have to be diluted prior to fermentation, mixing of st...

journal_title：Biotechnology for biofuels

authors： Erdei B,Hancz D,Galbe M,Zacchi G

更新日期：2013-11-29 00:00:00

abstract：Background: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 engineering design with target genes involved in selected processes including the fatty acid synthesis...

journal_title：Biotechnology for biofuels

authors： Eungrasamee K,Miao R,Incharoensakdi A,Lindblad P,Jantaro S

更新日期：2019-01-04 00:00:00

abstract：BACKGROUND:Pretreatment of lignocellulosic biomass generates a number of undesired degradation products that can inhibit microbial metabolism. Two of these compounds, the furan aldehydes 5-hydroxymethylfurfural (HMF) and 2-furaldehyde (furfural), have been shown to be an impediment for viable ethanol production. In the...

journal_title：Biotechnology for biofuels

authors： Ask M,Bettiga M,Duraiswamy VR,Olsson L

更新日期：2013-12-16 00:00:00

abstract：BACKGROUND:n-Butanol can serve as an excellent gasoline substitute. Naturally, it is produced by some Clostridia species which, however, exhibit only limited suitability for industrial n-butanol production. The yeast Saccharomyces cerevisiae would be an ideal host due to its high robustness in fermentation processes. N...

journal_title：Biotechnology for biofuels

authors： Schadeweg V,Boles E

更新日期：2016-11-25 00:00:00

abstract：Background:Efficient bioethanol production from hemicellulose feedstocks by Saccharomyces cerevisiae requires xylose utilization. Whereas S. cerevisiae does not metabolize xylose, engineered strains that express xylose isomerase can metabolize xylose by converting it to xylulose. For this, the type II xylose isomerase ...

journal_title：Biotechnology for biofuels

authors： Lee M,Rozeboom HJ,Keuning E,de Waal P,Janssen DB

更新日期：2020-01-11 00:00:00

abstract：UNLABELLED: BACKGROUND:Acetoin and 2,3-butanediol are two important biorefinery platform chemicals. They are currently fermented below 40°C using mesophilic strains, but the processes often suffer from bacterial contamination. RESULTS:This work reports the isolation and identification of a novel aerobic Geobacillus s...

journal_title：Biotechnology for biofuels

authors： Xiao Z,Wang X,Huang Y,Huo F,Zhu X,Xi L,Lu JR

更新日期：2012-12-06 00:00:00

abstract：Background:To increase the production of bioethanol, a two-step process based on hydrothermal and dilute alkaline treatment was applied to reduce the natural resistance of biomass. However, the process required a large amount of water and a long operation time due to the solid/liquid separation before the alkaline trea...

journal_title：Biotechnology for biofuels

authors： Sun S,Zhang L,Liu F,Fan X,Sun RC

更新日期：2018-05-12 00:00:00

abstract：BACKGROUND:Ionic liquid (IL) pretreatment is receiving significant attention as a potential process that enables fractionation of lignocellulosic biomass and produces high yields of fermentable sugars suitable for the production of renewable fuels. However, successful optimization and scale up of IL pretreatment involv...

journal_title：Biotechnology for biofuels

authors： Li C,Tanjore D,He W,Wong J,Gardner JL,Sale KL,Simmons BA,Singh S

更新日期：2013-10-25 00:00:00

abstract：Background:Countercurrent saccharification is a promising way to minimize enzyme loading while obtaining high conversions and product concentrations. However, in countercurrent saccharification experiments, 3-4 months are usually required to acquire a single steady-state data point. To save labor and time, simulation o...

journal_title：Biotechnology for biofuels

authors： Liang C,Gu C,Karim MN,Holtzapple M

更新日期：2019-07-11 00:00:00

abstract：:One of the main obstacles for continuous productivity in microalgae cultivation is the presence of biological contaminants capable of eliminating large numbers of cells in a matter of days or even hours. However, a number of strategies are being used to combat and prevent contamination in microalgae cultivation. These...

journal_title：Biotechnology for biofuels

authors： Bacellar Mendes LB,Vermelho AB

更新日期：2013-10-21 00:00:00

abstract：BACKGROUND:The recent development of improved enzymes and pentose-using yeast for cellulosic ethanol processes calls for new attention to the lignocellulose pretreatment step. This study assessed the influence of pretreatment pH, temperature, and time, and their interactions on the enzymatic glucose and xylose yields f...

journal_title：Biotechnology for biofuels

authors： Pedersen M,Johansen KS,Meyer AS

更新日期：2011-05-13 00:00:00

abstract：Background:Phototrophic purple non-sulfur bacteria (PNSB) have gained attention for their ability to produce a valuable clean energy source in the form biohydrogen via photofermentation of a wide variety of organic wastes. For maturation of these phototrophic bioprocesses towards commercial feasibility, development of ...

journal_title：Biotechnology for biofuels

authors： du Toit JP,Pott RWM

更新日期：2020-06-09 00:00:00

abstract：BACKGROUND:D-2,3-butanediol has many industrial applications such as chiral reagents, solvents, anti-freeze agents, and low freezing point fuels. Traditional D-2,3-butanediol producing microorganisms, such as Klebsiella pneumonia and K. xoytoca, are pathogenic and not capable of producing D-2,3-butanediol at high optic...

journal_title：Biotechnology for biofuels

authors： Qi G,Kang Y,Li L,Xiao A,Zhang S,Wen Z,Xu D,Chen S

更新日期：2014-01-29 00:00:00

abstract：Background: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 thresholds. One particular challenge is that proposed strategies are only valid under certain conditions....

journal_title：Biotechnology for biofuels

authors： Wu Y,Kovalovszki A,Pan J,Lin C,Liu H,Duan N,Angelidaki I

更新日期：2019-05-03 00:00:00

abstract：BACKGROUND:In this study, the dilute maleic acid pretreatment of wheat straw is optimized, using pretreatment time, temperature and maleic acid concentration as design variables. A central composite design was applied to the experimental set up. The response factors used in this study are: (1) glucose benefits from imp...

journal_title：Biotechnology for biofuels

authors： Kootstra AM,Beeftink HH,Scott EL,Sanders JP

更新日期：2009-12-21 00:00:00

abstract：BACKGROUND:Lignocellulosic materials are abundant and among the most important potential sources for bioethanol production. Although the pretreatment of lignocellulose is necessary for efficient saccharification and fermentation, numerous by-products, including furan derivatives, weak acids, and phenolic compounds, are...

journal_title：Biotechnology for biofuels

authors： Endo A,Nakamura T,Ando A,Tokuyasu K,Shima J

更新日期：2008-04-15 00:00:00

abstract：BACKGROUND:Low- and high-affinity glucose transport system is a conserved strategy of microorganism to cope with environmental glucose fluctuation for their growth and competitiveness. In Neurospora crassa, the dual-affinity glucose transport system consists of a low-affinity glucose transporter GLT-1 and two high-affi...

journal_title：Biotechnology for biofuels

authors： Li J,Liu Q,Li J,Lin L,Li X,Zhang Y,Tian C

更新日期：2021-01-28 00:00:00

abstract：BACKGROUND:The lignocellulosic enzymes of Trichoderma species have received particular attention with regard to biomass conversion to biofuels, but the production cost of these enzymes remains a significant hurdle for their commercial application. In this study, we quantitatively compared the lignocellulolytic enzyme p...

journal_title：Biotechnology for biofuels

authors： Marx IJ,van Wyk N,Smit S,Jacobson D,Viljoen-Bloom M,Volschenk H

更新日期：2013-11-29 00:00:00

abstract：BACKGROUND:Mass transfer plays an important role in determining the efficiency of the biofuel conversion. However, adverse effect of shear stress from traditional agitation inhibits the cell growth and production of biofuels. How to enhance the mass transfer with less adverse effect is considered as one of the importan...

journal_title：Biotechnology for biofuels

authors： Xia ML,Wang L,Yang ZX,Chen HZ

更新日期：2015-12-23 00:00:00

abstract：BACKGROUND:Alkaline hydrogen peroxide pretreatment catalyzed by Cu(II) 2,2'-bipyridine complexes has previously been determined to substantially improve the enzymatic hydrolysis of woody plants including hybrid poplar as a consequence of moderate delignification. In the present work, cell wall morphological and lignin ...

journal_title：Biotechnology for biofuels

authors： Li Z,Bansal N,Azarpira A,Bhalla A,Chen CH,Ralph J,Hegg EL,Hodge DB

更新日期：2015-08-20 00:00:00

abstract：BACKGROUND:Inefficient carbohydrate conversion has been an unsolved problem for various lignocellulosic biomass pretreatment technologies, including AFEX, dilute acid, and ionic liquid pretreatments. Previous work has shown 22% of total carbohydrates are typically unconverted, remaining as soluble or insoluble oligomer...

journal_title：Biotechnology for biofuels

authors： Gunawan C,Xue S,Pattathil S,da Costa Sousa L,Dale BE,Balan V

更新日期：2017-03-29 00:00:00

abstract：Background:Irpex lacteus is one of the most potent white rot fungi for biological pretreatment of lignocellulose for second biofuel production. To elucidate the underlying molecular mechanism involved in lignocellulose deconstruction, genomic and transcriptomic analyses were carried out for I. lacteus CD2 grown in subm...

journal_title：Biotechnology for biofuels

authors： Qin X,Su X,Luo H,Ma R,Yao B,Ma F

更新日期：2018-03-02 00:00:00

abstract：Background:Current EU directives demand increased use of renewable fuels in the transportation sector but restrict governmental support for production of biofuels produced from crops. The use of intercropped lucerne and wheat may comply with the directives. In the current study, the combination of ensiled lucerne (Medi...

journal_title：Biotechnology for biofuels

authors： Byrne E,Kovacs K,van Niel EWJ,Willquist K,Svensson SE,Kreuger E

更新日期：2018-10-11 00:00:00

abstract：BACKGROUND:The production of biofuels in photosynthetic microalgae and cyanobacteria is a promising alternative to the generation of fuels from fossil resources. To be economically competitive, producer strains need to be established that synthesize the targeted product at high yield and over a long time. Engineering c...

journal_title：Biotechnology for biofuels

authors： Dienst D,Georg J,Abts T,Jakorew L,Kuchmina E,Börner T,Wilde A,Dühring U,Enke H,Hess WR

更新日期：2014-02-06 00:00:00