Elucidating the role of ferrous ion cocatalyst in enhancing dilute acid pretreatment of lignocellulosic biomass.

abstract：BACKGROUND:Reduced yields of ethanol due to bacterial contamination in fermentation cultures weaken the economics of biofuel production. Lactic acid bacteria are considered the most problematic, and surveys of commercial fuel ethanol facilities have found that species of Lactobacillus are predominant. Bacteriophage lyt...

journal_title：Biotechnology for biofuels

authors： Roach DR,Khatibi PA,Bischoff KM,Hughes SR,Donovan DM

更新日期：2013-02-07 00:00:00

abstract：Background:Toxic compounds present in both the hydrolysate and pyrolysate of lignocellulosic biomass severely hinder the further conversion of lignocellulose-derived fermentable sugars into useful chemicals by common biocatalysts like Zymomonas mobilis, which has remarkable advantages over yeast. Although the extra det...

journal_title：Biotechnology for biofuels

authors： Chang D,Yu Z,Ul Islam Z,French WT,Zhang Y,Zhang H

更新日期：2018-10-16 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:Microbial lipid production using renewable feedstock shows great promise for the biodiesel industry. RESULTS:In this study, the ability of a lipid-engineered Yarrowia lipolytica strain JMY4086 to produce lipids using molasses and crude glycerol under different oxygenation conditions and at different inoculu...

journal_title：Biotechnology for biofuels

authors： Rakicka M,Lazar Z,Dulermo T,Fickers P,Nicaud JM

更新日期：2015-07-25 00:00:00

abstract：BACKGROUND:Brown algae are promising feedstocks for biofuel production with inherent advantages of no structural lignin, high growth rate, and no competition for land and fresh water. However, it is difficult for one microorganism to convert all components of brown algae with different oxidoreduction potentials to etha...

journal_title：Biotechnology for biofuels

authors： Ji SQ,Wang B,Lu M,Li FL

更新日期：2016-04-01 00:00:00

abstract：Background:S-Adenosylmethionine (SAM) is a critical cofactor involved in many biochemical reactions. However, the low fermentation titer of SAM in methionine-free medium hampers commercial-scale production. The SAM synthesis pathway is specially related to the tricarboxylic acid (TCA) cycle in Bacillus amyloliquefacien...

journal_title：Biotechnology for biofuels

authors： Ruan L,Li L,Zou D,Jiang C,Wen Z,Chen S,Deng Y,Wei X

更新日期：2019-09-09 00:00:00

abstract：Background:Xylan is a major hemicellulosic component in the cell walls of higher plants especially in the secondary walls of vascular cells which are playing important roles in physiological processes and overall mechanical strength. Being the second most abundant cell wall polymer after cellulose, xylan is an abundant...

journal_title：Biotechnology for biofuels

authors： Peralta AG,Venkatachalam S,Stone SC,Pattathil S

更新日期：2017-11-30 00:00:00

abstract：Background:With the further development of anaerobic digestion, an increasing output of anaerobically digested wastewater (ADW), which typically contained high concentrations of ammonium, phosphate, and suspended solids, was inevitable. Microalgae cultivation offered a potential waste-to-value strategy to reduce the hi...

journal_title：Biotechnology for biofuels

authors： Chen X,Li Z,He N,Zheng Y,Li H,Wang H,Wang Y,Lu Y,Li Q,Peng Y

更新日期：2018-07-09 00:00:00

abstract：BACKGROUND:Recent studies have demonstrated that microalga has been widely regarded as one of the most promising raw materials of biofuels. However, lack of an economical, efficient and convenient method to harvest microalgae is a bottleneck to boost their full-scale application. Many methods of harvesting microalgae, ...

journal_title：Biotechnology for biofuels

authors： Liu J,Zhu Y,Tao Y,Zhang Y,Li A,Li T,Sang M,Zhang C

更新日期：2013-07-09 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: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：:Editorial introduction to the thematic series on the life and lifework of Mary Mandels. ...

journal_title：Biotechnology for biofuels

authors： Bayer EA

更新日期：2009-09-01 00:00:00

abstract：BACKGROUND:Complete conversion of the major sugars of biomass including both the C5 and C6 sugars is critical for biofuel production processes. Several inhibitory compounds like acetate, hydroxymethylfurfural (HMF), and furfural are produced from the biomass pretreatment process leading to 'hydrolysate toxicity,' a maj...

journal_title：Biotechnology for biofuels

authors： Mohagheghi A,Linger JG,Yang S,Smith H,Dowe N,Zhang M,Pienkos PT

更新日期：2015-03-31 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: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:The diverse microbial communities in agricultural biogas fermenters are assumed to be well adapted for the anaerobic transformation of plant biomass to methane. Compared to natural systems, biogas reactors are limited in their hydrolytic potential. The reasons for this are not understood. RESULTS:In this pa...

journal_title：Biotechnology for biofuels

authors： Güllert S,Fischer MA,Turaev D,Noebauer B,Ilmberger N,Wemheuer B,Alawi M,Rattei T,Daniel R,Schmitz RA,Grundhoff A,Streit WR

更新日期：2016-06-07 00:00:00

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: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:Plant hemicellulose (largely xylan) is an excellent feedstock for renewable energy production and second only to cellulose in abundance. Beyond a source of fermentable sugars, xylan constitutes a critical polymer in the plant cell wall, where its precise role in wall assembly, maturation, and deconstruction ...

journal_title：Biotechnology for biofuels

authors： Zeng Y,Yarbrough JM,Mittal A,Tucker MP,Vinzant TB,Decker SR,Himmel ME

更新日期：2016-11-22 00:00:00

abstract：Background: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 toxicity of lignocellulose-derived microbial inhibitory compounds (LDMICs, e.g., furfural), and impr...

journal_title：Biotechnology for biofuels

authors： Agu CV,Ujor V,Ezeji TC

更新日期：2019-03-09 00:00:00

abstract：BACKGROUND:Pretreatment is a key step to decrease the recalcitrance of lignocelluloses and then increase the digestibility of cellulose in second-generation bioethanol production. In this study, wood chips from triploid poplar were biopretreated with white rot fungus Trametes velutina D10149. The effects of incubation ...

journal_title：Biotechnology for biofuels

authors： Wang K,Yang H,Wang W,Sun RC

更新日期：2013-03-21 00:00:00

abstract：BACKGROUND:Oleaginous microorganisms are attractive feedstock for production of liquid biofuels. Direct hydrothermal liquefaction (HTL) is an efficient route that converts whole, wet biomass into an energy-dense liquid fuel precursor, called 'biocrude'. HTL represents a promising alternative to conventional lipid extra...

journal_title：Biotechnology for biofuels

authors： Jena U,McCurdy AT,Warren A,Summers H,Ledbetter RN,Hoekman SK,Seefeldt LC,Quinn JC

更新日期：2015-10-13 00:00:00

abstract：BACKGROUND:Despite decades of work and billions of dollars of investments in laboratory and pilot plant projects, commercial production of cellulosic ethanol is only now beginning to emerge. Because of: (1)high technical risk coupled with; (2) high capital investment cost relative to ethanol product value, investors ha...

journal_title：Biotechnology for biofuels

authors： Phillips RB,Jameel H,Chang HM

更新日期：2013-01-28 00:00:00

abstract：BACKGROUND:While microbial electrolysis cells (MECs) can simultaneously produce bioelectrochemical hydrogen and treat wastewater, they consume considerable energy to overcome the unfavorable thermodynamics, which is not sustainable and economically feasible in practical applications. This study presents a proof-of-conc...

journal_title：Biotechnology for biofuels

authors： Yuan H,Lu Y,Abu-Reesh IM,He Z

更新日期：2015-08-14 00:00:00

abstract：BACKGROUND:Camelina sativa (L.) Crantz, known by such popular names as "gold-of-pleasure" and "false flax," is an alternative oilseed crop for biofuel production and can be grown in harsh environments. Considerable interest is now being given to the new concept of the development of a fusion plant which can be used as ...

journal_title：Biotechnology for biofuels

authors： Park W,Feng Y,Ahn SJ

更新日期：2014-06-22 00:00:00

abstract：BACKGROUND:To make lignocellulosic fuel ethanol economically competitive with fossil fuels, it is necessary to reduce the production cost. One way to achieve this is by increasing the substrate concentration in the production process, and thus reduce the energy demand in the final distillation of the fermentation broth...

journal_title：Biotechnology for biofuels

authors： Hoyer K,Galbe M,Zacchi G

更新日期：2010-06-25 00:00:00

abstract：Background:Cyanobacteria have shown promising potential for the production of various biofuels and chemical feedstocks. Synechococcus elongatus UTEX 2973 is a fast-growing strain with pronounced tolerance to high temperatures and illumination. Hence, this strain appears to be ideal for the development of photosynthetic...

journal_title：Biotechnology for biofuels

authors： Tan X,Hou S,Song K,Georg J,Klähn S,Lu X,Hess WR

更新日期：2018-08-04 00:00:00

abstract：:Biorefineries, designed for the production of lignocellulose-based chemicals and fuels, are receiving increasing attention from the public, governments, and industries. A major obstacle for biorefineries to advance to commercial scale is the high cost of the enzymes required to derive the fermentable sugars from the f...

journal_title：Biotechnology for biofuels

authors： Novy V,Nielsen F,Seiboth B,Nidetzky B

更新日期：2019-10-08 00:00:00

abstract：BACKGROUND:Engineering of the yeast Saccharomyces cerevisiae for improved utilization of pentose sugars is vital for cost-efficient cellulosic bioethanol production. Although endogenous hexose transporters (Hxt) can be engineered into specific pentose transporters, they remain subjected to glucose-regulated protein deg...

journal_title：Biotechnology for biofuels

authors： Nijland JG,Vos E,Shin HY,de Waal PP,Klaassen P,Driessen AJ

更新日期：2016-07-26 00:00:00

abstract：BACKGROUND:Microbial lipid production represents a potential alternative feedstock for the biofuel and oleochemical industries. Since Escherichia coli exhibits many genetic, technical, and biotechnological advantages over native oleaginous bacteria, we aimed to construct a metabolically engineered E. coli strain capabl...

journal_title：Biotechnology for biofuels

authors： Comba S,Sabatini M,Menendez-Bravo S,Arabolaza A,Gramajo H

更新日期：2014-12-24 00:00:00