abstract：:When cultured in minimal growth medium, the B38 strain of Bacillus subtilis did not exhibit any antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) clinical isolate. Coculturing B38 strain with viable MRSA cells weakly increased antibacterial activity production (20 AU/ml). Addition of de...

journal_title：Applied biochemistry and biotechnology

authors： Tabbene O,Karkouch I,Slimene IB,Elfeddy N,Cosette P,Mangoni ML,Jouenne T,Limam F

更新日期：2011-05-01 00:00:00

abstract：:Interferons (IFNs) are involved in the pathogenesis and recovery of viral and other infectious diseases. Recombinant IFNs have been used as anti-infectious agents exhibiting a broad range of antiviral and immunomodulatory properties in both human and domestic animals. In this report, we describe a highly efficient and...

journal_title：Applied biochemistry and biotechnology

authors： Zhou X,Song Z,Liu X,Jia F,Wang Y

更新日期：2011-04-01 00:00:00

abstract：:The MixAlco process is a biorefinery that converts lignocellulose into useful chemicals and hydrocarbon fuels via mixed-acid fermentation. For a semi-continuous-staged fermentation train, during each transfer, discrete amounts of material are moved between fermentors and data are tabulated. Because of natural day-to-d...

journal_title：Applied biochemistry and biotechnology

authors： Smith AD,Holtzapple MT

更新日期：2011-04-01 00:00:00

abstract：:An integrated biodiesel process that combines enzymatic esterification and alkaline transesterification is suggested. With focus on the enzymatic step, the paper provides proof of concept and suggestions for further process development. Hence, palm fatty acid distillate (PFAD) has been enzymatically converted to fatty...

journal_title：Applied biochemistry and biotechnology

authors： Brask J,Damstrup ML,Nielsen PM,Holm HC,Maes J,De Greyt W

更新日期：2011-04-01 00:00:00

abstract：:L-Asparaginase (ASNase) has proved its use in medical and food industries. Sequence-based screening showed the thermophilic Streptomyces strain Streptomyces thermoluteus subsp. fuscus NBRC 14270 (14270 ASNase) to positive against predicted ASNase primary sequences. The 14270 ASNase gene and four L-asparaginase genes f...

journal_title：Applied biochemistry and biotechnology

authors： Hatanaka T,Usuki H,Arima J,Uesugi Y,Yamamoto Y,Kumagai Y,Yamasato A,Mukaihara T

更新日期：2011-04-01 00:00:00

abstract：:Based on the p426 series of expression vectors developed by Mumberg et al. (Gene 156, 119-122, 1995), we have generated a set of plasmids that allow the glucose-dependent expression of target genes in the yeast, Saccharomyces cerevisiae. The ADH1 promoter in plasmid p426-ADH1 was replaced by the 1-kb 5'-region from ei...

journal_title：Applied biochemistry and biotechnology

authors： Thierfelder S,Ostermann K,Göbel A,Rödel G

更新日期：2011-04-01 00:00:00

abstract：:The use of cheap, high-efficiency, and ecofriendly adsorbent has been studied as an alternative way for the removal of dyes from wastewater. This paper investigated the use of waste brewery's yeast for the removal of acid orange 7 from aqueous solution. The optimum removal of acid orange 7 was found to be 3.561 mg/g a...

journal_title：Applied biochemistry and biotechnology

authors： Wu Y,Hu Y,Xie Z,Feng S,Li B,Mi X

更新日期：2011-04-01 00:00:00

abstract：:The presence of high strength fats and oils in dairy industry wastewaters poses serious challenges for biological treatment systems, and, therefore, its pretreatment is necessary in order to remove them. In the present study, synthetic dairy wastewater prepared in the laboratory was pretreated using the sophorolipid-p...

journal_title：Applied biochemistry and biotechnology

authors： Daverey A,Pakshirajan K

更新日期：2011-03-01 00:00:00

abstract：:Fibrobacter succinogenes is a cellulolytic bacterium that degrades plant cell wall biomass in ruminant animals and is among the most rapidly fibrolytic of all mesophilic bacteria. The complete genome sequence of Fisuc was completed by the DOE Joint Genome Institute in late 2009. Using new expression tools developed at...

journal_title：Applied biochemistry and biotechnology

authors： Brumm P,Mead D,Boyum J,Drinkwater C,Deneke J,Gowda K,Stevenson D,Weimer P

更新日期：2011-03-01 00:00:00

abstract：:Modification of the phosphoenolpyruvate/sugar phosphotransferase system (PTS) has shown improvement in sugar coassimilation in Escherichia coli production strains. However, in preliminary experiments under anaerobic conditions, E. coli strains with an inactive PTS and carrying pLOI1594, which encodes pyruvate decarbox...

journal_title：Applied biochemistry and biotechnology

authors： Balderas-Hernández VE,Hernández-Montalvo V,Bolívar F,Gosset G,Martínez A

更新日期：2011-02-01 00:00:00

abstract：:In this work, we engineered the α/β fold of mannanase Man23 based on its molecular structure analysis to obtain more stable variants. By introducing 31 single-site mutations in the α/β fold and shuffling them, the incorporation of four mutations (K178R, K207R, N340R, and S354R) displayed a good balance between high ac...

journal_title：Applied biochemistry and biotechnology

authors： Zhou HY,Pan HY,Rao LQ,Wu YY

更新日期：2011-01-01 00:00:00

abstract：:An animal protein-free medium composed of IPL-41 containing 6 g L(-1) yeastolate ultrafiltrate, 10 g L(-1) glucose, 2 g L(-1) lactose, 5 g L(-1) glutamine, 1% lipid emulsion, and 0.1% Pluronic F-68 was used for producing recombinant proteins in batch mode employing two cell lines, S2AcRVGP2k expressing the G glycoprot...

journal_title：Applied biochemistry and biotechnology

authors： Batista FR,Greco KN,Astray RM,Jorge SA,Augusto EF,Pereira CA,Mendonça RZ,Moraes AM

更新日期：2011-01-01 00:00:00

abstract：:A high cellobiohydrolase (CBH)-producing strain was isolated and identified as Penicillium purpurogenum KJS506 according to the morphology and comparison of internal transcribed spacer rDNA gene sequence. When rice straw and corn steep powder were used as carbon and nitrogen sources, respectively, a maximum CBH activi...

journal_title：Applied biochemistry and biotechnology

authors： Lee KM,Joo AR,Jeya M,Lee KM,Moon HJ,Lee JK

更新日期：2011-01-01 00:00:00

abstract：:A study was performed regarding the effect of the relation between fill time, volume treated per cycle, and influent concentration at different applied organic loadings on the stability and efficiency of an anaerobic sequencing batch reactor containing immobilized biomass on polyurethane foam with recirculation of the...

journal_title：Applied biochemistry and biotechnology

authors： Rodrigues JA,Oliveira RP,Ratusznei SM,Zaiat M,Foresti E

更新日期：2011-01-01 00:00:00

abstract：:The effect of organic matter and fill time on anaerobic sequencing batch reactor (5 L, 30 °C, 8-h cycles, 50 rpm) efficiency has been analyzed. Organic matter was increased by the influent concentration. Fill times investigated were in the batch mode and fed-batch followed by batch. In the batch mode organic matter re...

journal_title：Applied biochemistry and biotechnology

authors： Selma VC,Cotrim LH,Rodrigues JA,Ratusznei SM,Zaiat M,Foresti E

更新日期：2010-12-01 00:00:00

abstract：:This study aimed to evaluate the influence of the culture medium supplementation with mineral ions, focusing on the growth of Streptococcus zooepidemicus as well as on the production and average molecular weight (MW) of hyaluronic acid (HA). The ions were investigated in terms of individual absence from the totally su...

journal_title：Applied biochemistry and biotechnology

authors： Pires AM,Eguchi SY,Santana MH

更新日期：2010-12-01 00:00:00

abstract：:The objective of the present work was to evaluate the metabolic effects induced by the initial glucose concentration (IGC) on the cultivation of Streptococcus zooepidemicus for the production of hyaluronic acid (HA). These effects were monitored along non-controlled pH cultivations, carried out in 250-mL Erlenmeyer fl...

journal_title：Applied biochemistry and biotechnology

authors： Pires AM,Santana MH

更新日期：2010-11-01 00:00:00

abstract：:To investigate the production of cellulases and xylanases from Penicillium echinulatum 9A02S1, solid-state fermentation (SSF) was performed by using different ratios of sugar cane bagasse (SCB) and wheat bran (WB). The greatest filter paper activity obtained was 45.82 ± 1.88 U gdm(-1) in a culture containing 6SCB/4WB ...

journal_title：Applied biochemistry and biotechnology

authors： Camassola M,Dillon AJ

更新日期：2010-11-01 00:00:00

abstract：:Different initial cell concentrations of a recombinant flocculent Saccharomyces cerevisiae MA-R4 were evaluated for their effects on xylose fermentation and glucose-xylose cofermentation. A high initial cell concentration greatly increased both the substrate utilization and ethanol production rates. During xylose ferm...

journal_title：Applied biochemistry and biotechnology

authors： Matsushika A,Sawayama S

更新日期：2010-11-01 00:00:00

abstract：:A new, simple, and original method is described for specific measurement of polyunsaturated fatty acid content in olive oil. This analytical system uses coupled enzymes, lipase and lipoxygenase. The system consists of lipase-catalyzed hydrolysis of triacylglycerol and subsequent lipoxygenation of liberated polyunsatur...

journal_title：Applied biochemistry and biotechnology

authors： Ben Rejeb I,Monser L,Gargouri M

更新日期：2010-11-01 00:00:00

abstract：:Empty palm fruit bunch fiber (EPFBF), a readily available cellulosic biomass from palm processing facilities, is investigated as a potential carbohydrate source for cellulosic ethanol production. This feedstock was pretreated using ammonia fiber expansion (AFEX) and enzymatically hydrolyzed. The best tested AFEX condi...

journal_title：Applied biochemistry and biotechnology

authors： Lau MJ,Lau MW,Gunawan C,Dale BE

更新日期：2010-11-01 00:00:00

abstract：:Research on biomass pretreatment to enhance enzymatic digestibility has been done for more than decades, but a viable continuous pretreatment method needs to be developed. Extrusion has the potential to be a viable continuous pretreatment method. This study investigated the effect of compression ratio (2:1 and 3:1), s...

journal_title：Applied biochemistry and biotechnology

authors： Karunanithy C,Muthukumarappan K

更新日期：2010-11-01 00:00:00

abstract：:Bioreduction of 1-phenyl-2-propanone to prepare (S)-1-phenyl-2-propanol, a useful pharmaceutical intermediate, was performed with growing cells of Rhodococcus erythropolis JX-021, giving 14 mM (1.9 g/L) product in 99% e.e. at 5 h in the catalysis of 15 mM substrate. The reduction stopped afterwards due to strong inhib...

journal_title：Applied biochemistry and biotechnology

authors： Jin JZ,Li H,Zhang J

更新日期：2010-11-01 00:00:00

abstract：:Fresh-harvested, air-dried rice straw was pretreated at a water content of 5 g H(2)O/g straw using sodium hydroxide (NaOH) and compared to pretreatment at 10 g H(2)O/g straw by hydrated lime (Ca(OH)(2)). Full factorial experiments including parallel wash-only treatments were completed with both sources of alkali. The ...

journal_title：Applied biochemistry and biotechnology

authors： Cheng YS,Zheng Y,Yu CW,Dooley TM,Jenkins BM,VanderGheynst JS

更新日期：2010-11-01 00:00:00

abstract：:Rice straw hemicellulosic hydrolysate was used as fermentation medium for ethanol production by Pichia stipitis NRRL Y-7124. Shaking bath experiments were initially performed aiming to establish the best initial xylose concentration to be used in this bioconversion process. In the sequence, assays were carried out und...

journal_title：Applied biochemistry and biotechnology

authors： Silva JP,Mussatto SI,Roberto IC

更新日期：2010-11-01 00:00:00

abstract：:This work is focused on the biotransformation of R-(+)-limonene and (-)-beta-pinene to bioflavor production. To carry out the present study, 405 microorganisms were tested for their ability to bioconvert the substrates. From the isolated microorganisms, 193 were selected in the prescreening using mineral medium for li...

journal_title：Applied biochemistry and biotechnology

authors： Rottava I,Cortina PF,Grando CE,Colla AR,Martello E,Cansian RL,Toniazzo G,Treichel H,Antunes OA,Oestreicher EG,de Oliveira D

更新日期：2010-10-01 00:00:00

abstract：:Marinobacter sp. (MSI032) isolated from the marine sponge Dendrilla nigra was optimized for the production of extracellular cellulolytic enzyme (CMCase) by submerged fermentation. Initial experiments showed that the culture medium containing 1% maltose as carbon source and 1% peptone and casein as nitrogen source supp...

journal_title：Applied biochemistry and biotechnology

authors： Shanmughapriya S,Kiran GS,Selvin J,Thomas TA,Rani C

更新日期：2010-10-01 00:00:00

abstract：:Methanol, acetone and diethyl ether extracts of Alpinia galanga have been evaluated against pathogens viz. Bacillus subtilis MTCC 2391, Enterobacter aerogene, Enterobacter cloacae, Enterococcus faecalis, Escherichia coli MTCC 1563, Klebsiella pneumoniae, Pseudomonas aeruginosa MTCC 6642, Salmonella typhimurium, Staphy...

journal_title：Applied biochemistry and biotechnology

authors： Rao K,Ch B,Narasu LM,Giri A

更新日期：2010-10-01 00:00:00

abstract：:Many lab-scale studies have been carried out regarding the effect of feed strategy on the performance of anaerobic sequencing batch reactors (ASBR); however, more detailed pilot-scale studies should be performed to assess the real applicability of this type of operation. Therefore, the objective of this work was to as...

journal_title：Applied biochemistry and biotechnology

authors： de Novaes LF,Borges LO,Rodrigues JA,Ratusznei SM,Zaiat M,Foresti E

更新日期：2010-10-01 00:00:00

abstract：:An endo-beta-1,4-xylanase-encoding gene, xyn11NX, was cloned from Nesterenkonia xinjiangensis CCTCC AA001025 and expressed in Escherichia coli. The gene encoded a 192-amino acid polypeptide and a putative 50-amino acid signal peptide. The deduced amino acid sequence exhibited a high degree of similarity with the xylan...

journal_title：Applied biochemistry and biotechnology

authors： Kui H,Luo H,Shi P,Bai Y,Yuan T,Wang Y,Yang P,Dong S,Yao B

更新日期：2010-10-01 00:00:00

abstract：:A novel expression system of Klebsiella pneumoniae was developed in order to improve 1,3-propanediol (1,3-PD) production using a K. pneumoniae-Escherichia coli shuttle vector pET28a consisting of the kanamycin-resistance gene promoter Pkan. The recombinant plasmid pETPkan-cat carrying the chloramphenicol acetyltransfe...

journal_title：Applied biochemistry and biotechnology

authors： Ma Z,Rao Z,Zhuge B,Fang H,Liao X,Zhuge J

更新日期：2010-09-01 00:00:00

abstract：:There is a lack of fundamental knowledge about the scale up of biosurfactant production. In order to develop suitable technology of commercialization, carrying out tests in shake flasks and bioreactors was essential. A reactor with integrated foam collector was designed for biosurfactant production using Bacillus subt...

journal_title：Applied biochemistry and biotechnology

authors： Amani H,Mehrnia MR,Sarrafzadeh MH,Haghighi M,Soudi MR

更新日期：2010-09-01 00:00:00

abstract：:Two DNA fragments containing the entire coding sequences of lactate dehydrogenase (LDH; ldhL1 and ldhD), whose enzymes have high activity for bioconversion of phenylpyruvate (PPA) to phenyllactate (PLA), were amplified from Lactobacillus plantarum SK002 using PCR. Sequencing showed open reading frames of 963 bp (ldhL1...

journal_title：Applied biochemistry and biotechnology

authors： Jia J,Mu W,Zhang T,Jiang B

更新日期：2010-09-01 00:00:00

abstract：:Low-cost dried yeasts immobilized on delignified brewers' spent grains for use in wine making and brewing were produced by simple thermal drying techniques. To optimize the thermal drying process, vacuum and air stream conditions were examined. Drying of thin layers of the biocatalysts was performed at low (30-38 degr...

journal_title：Applied biochemistry and biotechnology

authors： Tsaousi K,Koutinas AA,Bekatorou A,Loukatos P

更新日期：2010-09-01 00:00:00

abstract：:Catechol-2, 3-dioxygenase (C23O) from Pseudomonas sp. CGMCC2953 identified in our laboratory, which is one of the key enzymes responsible for phenanthrene biodegradation, was expected to get better characteristics tolerant to environment for its further application. With the aim of improving the enzyme properties by i...

journal_title：Applied biochemistry and biotechnology

authors： Wei J,Zhou Y,Xu T,Lu B

更新日期：2010-09-01 00:00:00

abstract：:Sugarcane bagasse is the major by-product of the sugar industry. It has a great potential for the production of biofuels and chemicals due to its considerable amount of cellulose and hemicellulose. In this study, we investigated a simple and economic pretreatment process using dilute ammonia for the storage of sugarca...

journal_title：Applied biochemistry and biotechnology

authors： Kim M,Aita G,Day DF

更新日期：2010-05-01 00:00:00

abstract：:Biodiesel has become attractive due to its environmental benefits compared with conventional diesel. Although the enzymatic synthesis of biodiesel requires low thermal energy, low conversions of enzymatic transesterification with ethanol (ethanolysis) of oils to produce biodiesel are reported as a result of deactivati...

journal_title：Applied biochemistry and biotechnology

authors： Pessoa FL,Magalhães SP,Falcão PW

更新日期：2010-05-01 00:00:00

abstract：:Palm kernel press cake (PKC) is a residue from palm oil extraction presently only used as a low protein feed supplement. PKC contains 50% fermentable hexose sugars present in the form of glucan and mainly galactomannan. This makes PKC an interesting feedstock for processing into bioethanol or in other biorefinery proc...

journal_title：Applied biochemistry and biotechnology

authors： Jørgensen H,Sanadi AR,Felby C,Lange NE,Fischer M,Ernst S

更新日期：2010-05-01 00:00:00

abstract：:Laccases are enzymes belonging to the Oxidoreductases class. These enzymes may be good biocatalysts for different processes, at laboratory and industrial levels. A successful use at industrial scale demands a higher stability of the enzyme. As an easy way to obtain longer life biocatalysts, the immobilization process ...

journal_title：Applied biochemistry and biotechnology

authors： Stanescu MD,Fogorasi M,Shaskolskiy BL,Gavrilas S,Lozinsky VI

更新日期：2010-04-01 00:00:00

abstract：:We expressed a putative beta-galactosidase from Sulfolobus acidocaldarius in Escherichia coli and purified the recombinant enzyme using heat treatment and Hi-Trap ion-exchange chromatography. The resultant protein gave a single 57-kDa band by SDS-PAGE and had a specific activity of 58 U/mg. The native enzyme existed a...

journal_title：Applied biochemistry and biotechnology

authors： Park AR,Kim HJ,Lee JK,Oh DK

更新日期：2010-04-01 00:00:00