Optimization of the BoNT/A-Hc expression in recombinant Escherichia coli using the Taguchi statistical method.

abstract：:The optimum temperature and initial medium pH for amylase production by Bacillus sp. TS-23 were 55 degrees C and 8.5 respectively. Maximum amylase activity was obtained in a medium containing peptone and soluble starch as nitrogen and carbon sources. Activity staining revealed that two amylases with molecular masses o...

journal_title：Biotechnology and applied biochemistry

authors： Lin LL,Chyau CC,Hsu WH

更新日期：1998-08-01 00:00:00

abstract：:Carbamate kinase has been prepared from Lactobacillus buchneri NCDO110. An approximately 91-fold increase in the specific activity of the enzyme was achieved. The purified extract exhibited a single band following polyacrylamide gel electrophoresis. The apparent molecular weight as determined by gel electrophoresis wa...

journal_title：Biotechnology and applied biochemistry

authors： Manca de Nadra MC,Nadra Chaud CA,Pesce de Ruiz Holgado A,Oliver G

更新日期：1986-02-01 00:00:00

abstract：:Penicillium ochrochloron Biourge, which was isolated from rotten sweet potato, can produce plant cell wall-degrading enzymes (PCWDEs) with high viscosity reducing capability for ethanol production using fresh sweet potato tubers as feedstock. The enzyme preparation was characterized by a broad enzyme spectrum includin...

journal_title：Biotechnology and applied biochemistry

authors： Huang Y,Jin Y,Shen W,Fang Y,Zhang G,Zhao H

更新日期：2014-07-01 00:00:00

abstract：:The recombinant plasmid pNCO937 (8.1 kbp) containing a Streptomyces sp. cholesterol oxidase gene was introduced into Streptococcus thermophilus by electrotransformation. Transformation frequency was 7.2 x 10(5) colony forming units/micrograms of DNA. The presence of the cholesterol oxidase gene in S. thermophilus was ...

journal_title：Biotechnology and applied biochemistry

authors： Somkuti GA,Solaiman DK,Johnson TL,Steinberg DH

更新日期：1991-04-01 00:00:00

abstract：:HIV stimulates strong immune CD8(+) cytotoxic T lymphocytes (CTL) response in infected people, despite causing an immunodeficiency. It has been demonstrated that this response could be very important for the control of the virus. We have shown previously that a recombinant fowlpox virus (rFWPV), expressing the multi-e...

journal_title：Biotechnology and applied biochemistry

authors： Vázquez-Blomquist D,González S,Duarte CA

更新日期：2002-12-01 00:00:00

abstract：:Construction of a random ssDNA sublibrary is an important step of the aptamer screening process. The available construction methods include asymmetric PCR, biotin-streptavidin separation, and lambda exonuclease digestions, in which PCR amplification is a key step. The main drawback of PCR amplification is overamplific...

journal_title：Biotechnology and applied biochemistry

authors： Shao K,Shi X,Zhu X,Cui L,Shao Q,Ma D

更新日期：2017-03-01 00:00:00

abstract：:Fibroin, the major proteinaceous component of the silk fiber produced by larvae of the domesticated silk moth (Bombyx mori), has been widely investigated as a biomaterial for potential applications in tissue engineering and regenerative medicine. Following sol-gel transition, silk fibroin solutions can generate hydrog...

journal_title：Biotechnology and applied biochemistry

authors： Chirila TV,Suzuki S,Papolla C

更新日期：2017-11-01 00:00:00

abstract：:The phosphatase and tensin homolog (PTEN) gene plays a crucial role in signal transduction by negatively regulating the PI3K signaling pathway. It is the most frequent mutated gene in many human-related cancers. Considering its critical role, a functional analysis of missense mutations of PTEN gene was undertaken in t...

journal_title：Biotechnology and applied biochemistry

authors： Khan I,Ansari IA,Singh P,Dass J FP

更新日期：2017-09-01 00:00:00

abstract：:The L-arginine uptake of resting platelets from type-2 diabetic patients and control subjects was measured and the kinetic parameters defined. The effect of platelet stimulation with agonists was also investigated. Kinetic studies showed that the K(m) value for L-arginine transport was not different in patients compar...

journal_title：Biotechnology and applied biochemistry

authors： Signorello MG,Giovine M,Pascale R,Cataldi L,Bordone C,Benatti U,Leoncini G

更新日期：2001-08-01 00:00:00

abstract：:Biologically active membrane proteins are difficult to isolate. Very often the isolated membrane proteins have low binding affinity or no biological integrity at all. Despite some success in isolation, one has to overcome the hurdles of obtaining sufficient quantity of the proteins and maintaining biological activity ...

journal_title：Biotechnology and applied biochemistry

authors： Wong RB,Lee AH,Rangan VS,Cheng KC

更新日期：2009-05-01 00:00:00

abstract：:Although most PCRs would produce proper PCR products when first tried, a general optimization is required to yield the best results. This optimization is often achieved by changing one factor at a time. However, this may lead to suboptimal results, since interactions between conditions are difficult to detect with thi...

journal_title：Biotechnology and applied biochemistry

authors： Niens M,Spijker GT,Diepstra A,te Meerman GJ

更新日期：2005-10-01 00:00:00

abstract：:Talpha1 (thymosin alpha 1) is important in treating immunodeficiency and other diseases. In order to study the feasibility of expressing Talpha1 in plants, as the first attempt, we designed and synthesized the Talpha1 gene according to the plant codon usage preference and constructed the 4xTalpha1 concatemer (four cop...

journal_title：Biotechnology and applied biochemistry

authors： Chen Y,Zhao L,Shen G,Cui L,Ren W,Zhang H,Qian H,Tang K

更新日期：2008-01-01 00:00:00

abstract：:Abdominal aortic aneurysm (AAA) is a vascular disease found to have progressive growth in the area of aorta. Rupturing of aorta causes excessive bleeding that leads to health-related issues, which can be fatal sometimes. Therefore, it becomes important to make early diagnosis of AAA and its condition and start immedia...

journal_title：Biotechnology and applied biochemistry

authors： Qiu C,Wang X,Zhang X,Li Z,Zhou Y,Kang J

更新日期：2020-08-15 00:00:00

abstract：:Tuberculosis has long been the scourge of humanity, claiming millions of lives. The family of PE_PGRS gene has been attributed to the Mycobacterium tuberculosis pathogenesis over the past few decades. The gene of PE_PGRS family proteins are most often clustered in a region of the genome often as overlapping genes and ...

journal_title：Biotechnology and applied biochemistry

authors： Meena LS

更新日期：2015-03-01 00:00:00

abstract：:As a model of cell-cell recognition processes, the association processes of a polysaccharide (mannan)-carrying liposome with a lectin (Concanavalin A, Con A)-carrying polymerized liposome were followed by turbidimetry. The association process was strongly inhibited by the addition of a low molecular weight sugar, meth...

journal_title：Biotechnology and applied biochemistry

authors： Hasegawa M,Kaku T,Kuroda M,Ise N,Kitano H

更新日期：1992-02-01 00:00:00

abstract：:The immobilization of F(0)F(1)-ATPase in uniform orientation is reported. The biotinylated and histidine-tagged subunits of the bacterial F(0)F(1)-ATPase complex were used for immobilization of the complex on artificial semi-permeable membranes resulting in 88+/-7.8 and 72+/-5.2% coupling of the enzymes. The immobiliz...

journal_title：Biotechnology and applied biochemistry

authors： Bhattacharya S,Schiavone M,Nayak A,Bhattacharya SK

更新日期：2004-06-01 00:00:00

abstract：:Some metabolic inhibitors, mevastatin (MVS), chlorocholine chloride (CCC), sodium pyrophosphate (NaPP) and D,L-glyceraldehyde (DLG), were respectively added into the suspension cultures of the yew Taxus chinensis var. mairei at the late phase of cell growth to study isopentenyl pyrophosphate (IPP) biosynthesis. The co...

journal_title：Biotechnology and applied biochemistry

authors： Wang YD,Yuan YJ,Lu M,Wu JC,Jiang JL

更新日期：2003-02-01 00:00:00

abstract：:Synthetic membranes containing 10% acrylamide units were subjected to activation with formaldehyde at pH 7.5 and 45 degrees C. Trypsin, invertase, and urease were bound to this activated membrane and the kinetic properties of immobilized enzymes were studied. The permeability of the membrane for distilled water manife...

journal_title：Biotechnology and applied biochemistry

authors： Krysteva MA,Shopova BI,Yotova LY,Karasavova MI

更新日期：1991-02-01 00:00:00

abstract：:A novel iron superoxide dismutase (Fe-SOD) gene from Jatropha curcas was cloned and expressed in Escherichia coli BL21 (DE3). This recombinant enzyme was isolated by a combined procedure involving immobilized metal-ion affinity chromatography and ion-exchange chromatography. The apparent molecular mass of this purifie...

journal_title：Biotechnology and applied biochemistry

authors： Ou-Yang C,Cai F,Gao S,Niu B,Wang S,Chen F

更新日期：2012-09-01 00:00:00

abstract：:We evaluated a new protocol for measurement of cyclosporine A (CsA) 2 H after dose (C2) on the V-Twin® analyzer. Imprecision, recovery, and linearity were determined using CsA-spiked blood pools. Accuracy was evaluated using specimens from renal, cardiac, and liver transplant patients, and results were compared with t...

journal_title：Biotechnology and applied biochemistry

authors： Morjana N,Yau H,Rea D,Ruttle D,Jones H,Siefring G Jr,Christenson R

更新日期：2011-11-01 00:00:00

abstract：:Neuroblastoma (NB) is an embryonic solid tumor derived from precursor cells of the sympathetic nervous system, and accounts for 11% of childhood cancers and around 15% of cancer deaths in children. SUMOylation and deSUMOylation are dynamic mechanisms regulating a spectrum of protein activities. The SUMO proteases (SEN...

journal_title：Biotechnology and applied biochemistry

authors： Xiang-Ming Y,Zhi-Qiang X,Ting Z,Jian W,Jian P,Li-Qun Y,Ming-Cui F,Hong-Liang X,Xu C,Yun Z

更新日期：2016-05-01 00:00:00

abstract：:Various approaches for removal of high-abundance components in body fluids are currently available. While most methods are constructed for plasma depletion, there is a need for body-fluid-specific strategies. The aim of the present study was to design an affinity matrix suitable for the depletion of high-abundance pro...

journal_title：Biotechnology and applied biochemistry

authors： Ramström M,Zuberovic A,Grönwall C,Hanrieder J,Bergquist J,Hober S

更新日期：2009-02-01 00:00:00

abstract：:Glycoprotein D (gD2) is the most important candidate antigen for herpes simplex virus type 2 (HSV-2) vaccine development. Establishment of a stable eukaryotic cell line to overexpress gD2 and an efficient purification process to purify is essential for the development of subunit vaccine against HSV-2. The DNA sequence...

journal_title：Biotechnology and applied biochemistry

authors： Qi Y,Xu Y,Pan Y,Li S,Li B,Pan M,Zhang S,Li Y

更新日期：2016-05-01 00:00:00

abstract：:In the erythrocyte membrane, the mobility of band 3 protein, the receptor for concanavalin A (Con A), is drastically reduced by the membrane skeleton. Yet, the vesicles free of membrane skeletal proteins, isolated from the highly agglutinable proteinase-treated cells, are found to be devoid of Con A agglutinability. T...

journal_title：Biotechnology and applied biochemistry

authors： Pestonjamasp KN,Gokhale SM,Mehta NG

更新日期：1990-10-01 00:00:00

abstract：:The gene (lacS) encoding a thermostable beta-galactosidase enzyme (Ss beta-gal) from the archaebacterium Sulfolobus solfataricus has been cloned and expressed in simian CV1 and murine NIH3T3 cell lines. The recombinant protein is an active enzyme that shows the same properties of thermophilicity and thermostability as...

journal_title：Biotechnology and applied biochemistry

authors： Cannio R,de Pascale D,Rossi M,Bartolucci S

更新日期：1994-04-01 00:00:00

abstract：:The ability of Acidithiobacillus ferrooxidans to oxidize ferrous iron has been extensively studied in bioleaching to recover metal resources. Although immobilization of A. ferrooxidans is of great importance to achieve high bioleaching performance in practical application, the reported approaches of immobilization of ...

journal_title：Biotechnology and applied biochemistry

authors： Zhu N,Shi C,Shang R,Yang C,Xu Z,Wu P

更新日期：2017-09-01 00:00:00

abstract：:This paper is concerned with the optimization of submerged culture conditions for mycelial growth and exo-biopolymer production by Auricularia polytricha by one-factor-at-a-time and uniform design (UD) methods. First, the one-factor-at-a-time method was adopted to investigate the effects of environmental factors (i.e....

journal_title：Biotechnology and applied biochemistry

authors： Xu CP,Yun JW

更新日期：2003-10-01 00:00:00

abstract：:Marine biomass, especially the algal biomass, is currently considered to be one of the most potential candidates for biofuels conversion during the development of biomass utilization. In this study, a diluted sulfuric acid pretreatment method was established for biobutanol from red algal biomass Gelidium amansii using...

journal_title：Biotechnology and applied biochemistry

authors： Hong Y,Chen C,Wu YR

更新日期：2020-09-01 00:00:00

abstract：:Second-generation bioethanol production process was developed using pretreated empty fruit bunches (EFB). Consecutive acid/alkali EFB pretreatment was performed, first with HCl and then with NaOH with final washing steps for phenolic compounds elimination. Scanning electron microscopy images showed that EFB chemical t...

journal_title：Biotechnology and applied biochemistry

authors： Campioni TS,Soccol CR,Libardi Junior N,Rodrigues C,Woiciechowski AL,Letti LAJ,Vandenberghe LPS

更新日期：2020-09-01 00:00:00

abstract：:The hybridization of the native and chemically inactivated aspartase from Escherichia coli was studied. Preparations of the tetrameric enzyme obtained by mixing the native and N-ethylmaleimide (NEM)-inactivated aspartase in 4 M guanidine-HCl followed by 51-fold dilution at room temperature retained catalytic activity....

journal_title：Biotechnology and applied biochemistry

authors： Imaishi H,Yumoto N,Tokushige M

更新日期：1990-04-01 00:00:00