Cytochromes P450 as promising catalysts for biotechnological application: chances and limitations.

abstract：:The aim of the present study was to develop a new cell modification method to facilitate the cell separation from broth. In order to reduce the transfer limitation of substrate and product caused by general immobilization methods in the following biotransformation of glycerol, the carboxyl-functioned superparamagnetic...

journal_title：Applied microbiology and biotechnology

authors： Chen G,Chen J

更新日期：2013-05-01 00:00:00

abstract：:Bacterial contamination and biomass harvesting are still challenges associated with coupling of microalgae and wastewater treatment technology. This study investigated aggregation, bacterial growth, lipid production, and pollutant removal during bacteria contaminated Chlorella regularis cultivation under nutrient star...

journal_title：Applied microbiology and biotechnology

authors： Zhou D,Li Y,Yang Y,Wang Y,Zhang C,Wang D

更新日期：2015-02-01 00:00:00

abstract：:Levan is a functional homopolymer of fructose with considerable applications in food, pharmaceutical and cosmetic industries. To improve the levan production in Bacillus amyloliquefaciens, the regulatory elements of sacB (encoding levansucrase) expression and levansucrase secretion were optimized. Four heterologous pr...

journal_title：Applied microbiology and biotechnology

authors： Gu Y,Zheng J,Feng J,Cao M,Gao W,Quan Y,Dang Y,Wang Y,Wang S,Song C

更新日期：2017-05-01 00:00:00

abstract：:A simple and stable immobilization of a laccase from Pleurotus ostreatus was obtained through genetic fusion with a self-assembling and adhesive class I hydrophobin. The chimera protein was expressed in Pichia pastoris and secreted into the culture medium. The crude culture supernatant was directly used for coatings o...

journal_title：Applied microbiology and biotechnology

authors： Sorrentino I,Giardina P,Piscitelli A

更新日期：2019-04-01 00:00:00

abstract：:Enzymatic kinetic resolution is a widely used biotechnological tool for the production of enantiomerically pure/enriched compounds. This technique takes advantage of the enantioselectivity or enantiospecificity of an enzyme for one of the enantiomers of a racemic substrate to isolate the desired isomer. N-Carbamoyl-D-...

journal_title：Applied microbiology and biotechnology

authors： Martínez-Rodríguez S,Martínez-Gómez AI,Rodríguez-Vico F,Clemente-Jiménez JM,Las Heras-Vázquez FJ

更新日期：2010-01-01 00:00:00

abstract：:The nucleoprotein of infectious hematopoietic necrosis virus (IHNV) is considered as the main target antigen for detection of IHNV infection in salmonid fish. This study aimed at improving the expression and solubility of IHNV nucleoprotein (IHNV-NP) in E. coli expression system. The effects of several expression stra...

journal_title：Applied microbiology and biotechnology

authors： Mohammadinezhad R,Farahmand H,Jalali SAH,Mirvaghefi A

更新日期：2018-05-01 00:00:00

abstract：:Decolorisation of azo dyes during biological effluent treatment can involve both adsorption to cell biomass and degradation by azo-bond reduction during anaerobic digestion. Degradation is expected to form aromatic amines, which may be toxic and recalcitrant to anaerobic treatment but degradable aerobically. Methods f...

journal_title：Applied microbiology and biotechnology

authors： O'Neill C,Lopez A,Esteves S,Hawkes FR,Hawkes DL,Wilcox S

更新日期：2000-02-01 00:00:00

abstract：:With advances in the development of DNA vaccines and gene therapy, there is a growing need for plasmid DNA with high quality for fundamental research and clinical trials. In this report, a scalable automated process for large-scale preparation of plasmid is described. This process is based on alkaline lysis and can be...

journal_title：Applied microbiology and biotechnology

authors： Li X,Jin H,Wu Z,Rayner S,Yin J,Yu Y,Zhang W,He Z,Wang C,Wang B

更新日期：2007-07-01 00:00:00

abstract：:Xylose is, after glucose, the dominant sugar in agricultural wastes. In anaerobic environments, carbohydrates are converted into volatile fatty acids and alcohols. These can be used as building blocks in biotechnological or chemical processes, e.g., to produce bioplastics. In this study, xylose fermentation by mixed m...

journal_title：Applied microbiology and biotechnology

authors： Temudo MF,Mato T,Kleerebezem R,van Loosdrecht MC

更新日期：2009-02-01 00:00:00

abstract：:Some strains belonging to the genera Citrobacter and Enterobacter have been reported to produce chitin/chitosan-like bioflocculants (BFs) from acetate. In this study, to investigate the distribution of the BF-producing potential in the genus Citrobacter and to screen stably and highly BF-producing strains, we obtained...

journal_title：Applied microbiology and biotechnology

authors： Kimura K,Inoue T,Kato D,Negoro S,Ike M,Takeo M

更新日期：2013-11-01 00:00:00

abstract：:1,3-1,4-beta-D-glucanase is an important endoglycosidase in the brewing and animal feed industries. To achieve high-level expression of recombinant glucanase in Pichia pastoris, we designed sequences encoding the alpha-factor signal peptide from Saccharomyces cerevisiae and the truncated 1,3-1,4-beta-D-glucanase from ...

journal_title：Applied microbiology and biotechnology

authors： Huang H,Yang P,Luo H,Tang H,Shao N,Yuan T,Wang Y,Bai Y,Yao B

更新日期：2008-02-01 00:00:00

abstract：:The lignin-degrading, biopulping white-rot fungus Physisporinus rivulosus secretes several laccases of distinct features such as thermostability, extremely low pH optima and thermal activation for oxidation of phenolic substrates. Here we describe the cloning, heterologous expression and structural and enzymatic chara...

journal_title：Applied microbiology and biotechnology

authors： Hildén K,Mäkelä MR,Lundell T,Kuuskeri J,Chernykh A,Golovleva L,Archer DB,Hatakka A

更新日期：2013-02-01 00:00:00

abstract：:Lethal effects of pulsed electric fields (PEF) on suspensions of various bacteria, yeast, and spores in buffer solutions and liquid foodstuffs were examined. Living-cell counts of vegetative cell types were reduced by PEF treatment by up to more than four orders of magnitude (> 99.99%). On the other hand, endo- and as...

journal_title：Applied microbiology and biotechnology

authors： Grahl T,Märkl H

更新日期：1996-03-01 00:00:00

abstract：:The influence of different amino acid substitutions in the nitrilase from Pseudomonas fluorescens EBC191 (NitA) on the catalytical activity and the ability to form amides was investigated. The enzyme variant Glu137Ala was constructed because glutamate residues homologous to Glu137 are highly conserved among different ...

journal_title：Applied microbiology and biotechnology

authors： Sosedov O,Stolz A

更新日期：2015-03-01 00:00:00

abstract：:The reduction of water-insoluble indigo by the recently isolated moderate thermophile, Clostridium isatidis, has been studied with the aim of developing a sustainable technology for industrial indigo reduction. The ability to reduce indigo was not shared with C. aurantibutyricum, C. celatum and C. papyrosolvens, but C...

journal_title：Applied microbiology and biotechnology

authors： Nicholson SK,John P

更新日期：2005-07-01 00:00:00

abstract：:The cultivated and uncultivated bacterial communities of an activated sludge plant were studied. Two samples were taken and a total of 516 bacterial isolates were classified into groups using their whole-cell protein patterns. The distribution of bacteria into protein-pattern groups differed significantly between the ...

journal_title：Applied microbiology and biotechnology

authors： Vainio EJ,Moilanen A,Koivula TT,Bamford DH,Hantula J

更新日期：1997-07-01 00:00:00

abstract：:Quorum sensing (QS) plays a key role in activating bacterial functions through small molecules called autoinducers. In this study, the QS of Gram-negative bacteria in waste sewage sludge (WSS) was downregulated by adding the quorum quenching enzyme, AiiM lactonase, which cleaved the acyl-homoserine lactone (AHL) autoi...

journal_title：Applied microbiology and biotechnology

authors： Nguyen PDT,Mustapha NA,Kadokami K,Garcia-Contreras R,Wood TK,Maeda T

更新日期：2019-02-01 00:00:00

abstract：:Chitooligosaccharides have important application value in the fields of food and agriculture. Chitosanase can degrade chitosan to obtain chitooligosaccharides. The marine metagenome contains many genes related to the degradation of chitosan. However, it is difficult to mine valuable genes from large gene resources. Th...

journal_title：Applied microbiology and biotechnology

authors： Han Y,Guan F,Sun J,Wu N,Tian J

更新日期：2020-08-01 00:00:00

abstract：:The recent, rapid increase in bacterial antimicrobial resistance has become a major public health concern. One approach to generate new classes of antibacterials is targeting virulence rather than the viability of bacteria. Proteins of the Dsb system, which play a key role in the virulence of many pathogenic microorga...

journal_title：Applied microbiology and biotechnology

authors： Bocian-Ostrzycka KM,Grzeszczuk MJ,Banaś AM,Jagusztyn-Krynicka EK

更新日期：2017-05-01 00:00:00

abstract：:Cloning and biochemical characterization of a novel extracellular medium-chain-length polyhydroxyalkanoate (mcl-PHA) depolymerase from Streptomyces exfoliatus K10 DSMZ 41693 are described. The primary structure of the depolymerase (PhaZSex2) includes the lipase consensus sequence (serine-histidine-aspartic acid) which...

journal_title：Applied microbiology and biotechnology

authors： Martínez V,de Santos PG,García-Hidalgo J,Hormigo D,Prieto MA,Arroyo M,de la Mata I

更新日期：2015-11-01 00:00:00

abstract：:A 7.3-kDa antifungal peptide with an N-terminal sequence exhibiting remarkable homology to defensins from other leguminous plants was isolated from Phaseolus vulgaris cv. 'Spotted Bean'. The isolation procedure involved ion exchange chromatography on O-diethylaminoethyl (DEAE) cellulose, affinity chromatography on Aff...

journal_title：Applied microbiology and biotechnology

authors： Wang HX,Ng TB

更新日期：2007-02-01 00:00:00

abstract：:1,3-Propanediol (1,3-PD) production by fermentation of glycerol was described in 1881 but little attention was paid to this microbial route for over a century. Glycerol conversion to 1,3-PD can be carried out by Clostridia as well as Enterobacteriaceae. The main intermediate of the oxidative pathway is pyruvate, the f...

journal_title：Applied microbiology and biotechnology

authors： Biebl H,Menzel K,Zeng AP,Deckwer WD

更新日期：1999-09-01 00:00:00

abstract：:The catalytic domain encoded by an adenine-thymine (AT)-rich xylanase gene (xynA) of the anaerobic fungus Orpinomyces was expressed in Hypocrea jecorina under the control of the cel7A promoter and terminator. No XynA protein was detected in H. jecorina culture supernatants when the original sequence was fused to the H...

journal_title：Applied microbiology and biotechnology

authors： Li XL,Skory CD,Ximenes EA,Jordan DB,Dien BS,Hughes SR,Cotta MA

更新日期：2007-04-01 00:00:00

abstract：:Polyhydroxybutyrate (PHB) is an attractive substitute for petrochemical plastic due to its similar properties, biocompatibility, and biodegradability. The cost of scaled-up PHB production inhibits its widespread usage. Intensive researches are growing to reduce costs and improve thermomechanical, physical, and process...

journal_title：Applied microbiology and biotechnology

authors： Khosravi-Darani K,Mokhtari ZB,Amai T,Tanaka K

更新日期：2013-02-01 00:00:00

abstract：:Epidermal growth factor (EGF) ameliorates stress and prevents incomplete gastrointestinal development in early-weaned piglets in commercial swine farming. This study aimed to further analyze the biological activities of intracellularly expressed EGF (IE-EGF), extracellularly expressed EGF (EE-EGF), and tagged EGF (T-E...

journal_title：Applied microbiology and biotechnology

authors： Wang S,Guo C,Zhou L,Zhang Z,Huang Y,Yang J,Bai X,Yang K

更新日期：2015-09-01 00:00:00

abstract：:Using a 30-mer oligonucleotide probe highly specific for polyhydroxyalkanoic acid (PHA) synthase genes, the respective genes of Pseudomonas citronellolis, P. mendocina, Pseudomonas sp. DSM 1650 and Pseudomonas sp. GP4BH1 were cloned from genomic libraries in the cosmid pHC79. A 19.5-kbp and a 22.0-kbp EcoRI restrictio...

journal_title：Applied microbiology and biotechnology

authors： Timm A,Wiese S,Steinbüchel A

更新日期：1994-01-01 00:00:00

abstract：:The obligate photoautotrophic cyanobacterium Synechococcus PCC7942 and the photoheterotrophic heterocystous cyanobacterium Noctoc muscorum are able to reduce prochiral ketones asymmetrically to optical pure chiral alcohols without light. An example is the synthesis of S-pentafluoro(phenyl-)ethanol with an enantiomeric...

journal_title：Applied microbiology and biotechnology

authors： Havel J,Weuster-Botz D

更新日期：2007-07-01 00:00:00

abstract：:Damages of the (agro)ecosystem by extensive use of chemical fertilizers and pesticides, the global dying of bee populations possibly linked to pesticide spraying, and stricter regulations for pesticide use together with successful use of microbials in IPM programs are pushing on the development and commercialization o...

journal_title：Applied microbiology and biotechnology

authors： Preininger C,Sauer U,Bejarano A,Berninger T

更新日期：2018-09-01 00:00:00

abstract：:The hom-thrB operon (homoserine dehydrogenase/homoserine kinase) and the thrC gene (threonine synthase) of Corynebacterium glutamicum ATCC 13,032 and the homFBR (homoserine dehydrogenase resistant to feedback inhibition by threonine) alone as well as homFBR-thrB operon of C. glutamicum DM 368-3 were cloned separately ...

journal_title：Applied microbiology and biotechnology

authors： Eikmanns BJ,Metzger M,Reinscheid D,Kircher M,Sahm H

更新日期：1991-02-01 00:00:00

abstract：:An antialgal compound was isolated from the cultured broth of Streptomyces jiujiangensis JXJ 0074(T) by using bioassay methods. Based on the data of (1)H-NMR, (13)C-NMR, ESI-MS, and thin layer chromatography, the active compound was identified as L-valine, which showed antialgal activity mainly against Microcystis. L-...

journal_title：Applied microbiology and biotechnology

authors： Zhang BH,Chen W,Li HQ,Yang JY,Zha DM,Duan YQ,N Hozzein W,Xiao M,Gao R,Li WJ

更新日期：2016-05-01 00:00:00