Characterization and flocculation mechanism of a bioflocculant from potato starch wastewater.

abstract：:Reduction of azo dye methyl red coupled with aerobic respiration by growing cultures of Klebsiella oxytoca GS-4-08 was investigated. In liquid media containing dye and 0.6 % glucose in a mineral salts base, 100 mg l(-1) of the dye are completely removed in 3 h under shaking conditions. The dye cannot be aerobically de...

journal_title：Applied microbiology and biotechnology

authors： Yu L,Zhang XY,Xie T,Hu JM,Wang S,Li WW

更新日期：2015-03-01 00:00:00

abstract：:A comparative study was carried out in anaerobic batch cultures on 20 g/l of either glycerol or glucose using two propionibacteria strains, Propionibacterium acidipropionici and Propionibacterium freudenreichii ssp. shermanii. In all cases, fermentation end-products were the same and consisted of propionic acid as the...

journal_title：Applied microbiology and biotechnology

authors： Himmi EH,Bories A,Boussaid A,Hassani L

更新日期：2000-04-01 00:00:00

abstract：:Biofilms of selected bacteria strains were previously used on metal coupons as a protective layer against microbiologically influenced corrosion of metals. Unlike metal surfaces, concrete surfaces present a hostile environment for growing a protective biofilm. The main objective of this research was to investigate whe...

journal_title：Applied microbiology and biotechnology

authors： Soleimani S,Ormeci B,Isgor OB

更新日期：2013-02-01 00:00:00

abstract：:Bacterially induced precipitation of minerals leading to cementation of natural geological formations has been well recorded in a variety of environments. A range of microbial pathways and geochemical processes have been found to influence the cementation processes; but detailed formation mechanisms and biogeochemical...

journal_title：Applied microbiology and biotechnology

authors： Ramachandran AL,Polat P,Mukherjee A,Dhami NK

更新日期：2020-04-01 00:00:00

abstract：:Acyl-CoAs are crucial compounds involved in essential metabolic pathways such as the Krebs cycle and lipid, carbohydrate, and amino acid metabolisms, and they are also key signal molecules involved in the transcriptional regulation of lipid biosynthesis in many organisms. In this study, we took advantage of the high s...

journal_title：Applied microbiology and biotechnology

authors： Cabruja M,Lyonnet BB,Millán G,Gramajo H,Gago G

更新日期：2016-08-01 00:00:00

abstract：:Pichia pastoris is widely used as a host system for heterologous protein expression in both academia and industry. Production is typically accomplished by a fed-batch induction process that is known to have negative impacts on cell physiology that impose limits on both protein yields and quality. We have analysed reco...

journal_title：Applied microbiology and biotechnology

authors： Hesketh AR,Castrillo JI,Sawyer T,Archer DB,Oliver SG

更新日期：2013-11-01 00:00:00

abstract：:We report an immuno-magnetic separation system developed by the immobilization of pathogen-specific antibodies on the core-shell magnetic beads. The magnetic beads were grafted with glycidylmethacrylate (GMA) using surface-initiated atom transfer radical polymerization (SI-ATRP). For immuno-magnetic separation (IMS) o...

journal_title：Applied microbiology and biotechnology

authors： Ozalp VC,Bayramoglu G,Arica MY,Oktem HA

更新日期：2013-11-01 00:00:00

abstract：:The purpose of this paper is to present biomass and nutrient uptake data from Neochloris oleoabundans production in an open trough system. The growth medium used was BG11, temperature ranged from 16.7 °C to 25.3 °C, and pH ranged from 5.52 to 9.94 because the customary pH increase during algal biomass production was m...

journal_title：Applied microbiology and biotechnology

authors： Murray KE,Healy FG,McCord RS,Shields JA

更新日期：2011-04-01 00:00:00

abstract：:Ammonia was observed as a potential significant factor to manipulate the abundance and activity of ammonia-oxidizing microorganisms (AOMs) in water environments. For the first time, this study confirmed this phenomenon by laboratory cultivation. In a series of estuarine sediment-coastal water microcosms, we investigat...

journal_title：Applied microbiology and biotechnology

authors： Zhang Y,Chen L,Dai T,Sun R,Wen D

更新日期：2015-08-01 00:00:00

abstract：:Silica fertilization and nano-MnO2 amendment are reported as useful approaches in lowering the accumulation of arsenic in rice grains, but the effects of silica fertilization or nano-MnO2 amendment on microbial community in the paddy soils containing high concentration of arsenic are still unknown. In order to elucida...

journal_title：Applied microbiology and biotechnology

authors： Shao J,He Y,Zhang H,Chen A,Lei M,Chen J,Peng L,Gu JD

更新日期：2016-03-01 00:00:00

abstract：:Candida albicans is the most common clinical pathogenic fungus, which is highly susceptible to immunodeficiency. Development of novel antifungal agents has become a growing trend in the treatment of Candida infections. C16-Fengycin A, a lipopeptide isolated from Bacillus amyloliquefaciens fmb60 showed significant fung...

journal_title：Applied microbiology and biotechnology

authors： Liu Y,Lu J,Sun J,Zhu X,Zhou L,Lu Z,Lu Y

更新日期：2019-11-01 00:00:00

abstract：:Denitrifying sulfide removal (DSR) process simultaneously converts sulfide, nitrate, and chemical oxygen demand from industrial wastewaters to elemental sulfur, nitrogen gas, and carbon dioxide, respectively. This investigation utilizes a dilution-to-extinction approach at 10(-2) to 10(-6) dilutions to elucidate the c...

journal_title：Applied microbiology and biotechnology

authors： Chen C,Ren N,Wang A,Liu L,Lee DJ

更新日期：2010-03-01 00:00:00

abstract：:In response to changing extracellular pH levels, phosphate-limited continuous cultures of Clostridium acetobutylicum reversibly switches its metabolism from the dominant formation of acids to the prevalent production of solvents. Previous experimental and theoretical studies have revealed that this pH-induced metaboli...

journal_title：Applied microbiology and biotechnology

authors： Millat T,Janssen H,Thorn GJ,King JR,Bahl H,Fischer RJ,Wolkenhauer O

更新日期：2013-07-01 00:00:00

abstract：:Wastewater treatment plants (WWTPs) are major collection pools of antibiotics of which low concentrations may induce antibiotic resistance in their microbial communities and pose threat to human health. However, information is still limited on the microbial community alteration in WWTPs upon exposure to low-dose antib...

journal_title：Applied microbiology and biotechnology

authors： Wang S,Fan C,Low A,He J

更新日期：2014-03-01 00:00:00

abstract：:Pyruvate carboxylase is an important anaplerotic enzyme replenishing oxaloacetate consumed for biosynthesis during growth, or lysine and glutamic acid production in industrial fermentations. We used regions of homology from pyruvate carboxylase sequences of 12 different species (corresponding to the ATP- and pyruvate-...

journal_title：Applied microbiology and biotechnology

authors： Koffas MA,Ramamoorthi R,Pine WA,Sinskey AJ,Stephanopoulos G

更新日期：1998-09-01 00:00:00

abstract：:Due to efficient photosynthetic capability, robust growth, and clear genetic background, cyanobacteria are recently used for production of different biofuel and biochemical molecules by genetic engineering and showed great potentials as the next-generation microbial cell factory. For improving the production of bio-pr...

journal_title：Applied microbiology and biotechnology

authors： Tan X,Liang F,Cai K,Lu X

更新日期：2013-07-01 00:00:00

abstract：:Sphingobium sp. strain TCM1 can significantly degrade chlorinated organophosphorus flame retardants, such as tris(2-chloroethyl) phosphate. The PhoK of strain TCM1 (Sb-PhoK) is the main alkaline phosphatase (APase) that catalyzes the last step in the degradation pathway. Here, we purified and characterized Sb-PhoK pro...

journal_title：Applied microbiology and biotechnology

authors： Takahashi S,Morooka Y,Kumakura T,Abe K,Kera Y

更新日期：2020-02-01 00:00:00

abstract：:The upstream region of the cellobiohydrolase gene cbhA of Clostridium thermocellum F7 was sequenced. It was found that this region contains the previously sequenced gene celK encoding an enzyme closely related to CbhA (cellulosomal subunit S3). The presence of a putative transcription terminator in the 524-bp intergen...

journal_title：Applied microbiology and biotechnology

authors： Zverlov VV,Velikodvorskaya GA,Schwarz WH,Kellermann J,Staudenbauer WL

更新日期：1999-06-01 00:00:00

abstract：:A novel beta-glucosidase (BGL)-producing strain was isolated and identified as Penicillium purpurogenum KJS506 based on its morphology and internal transcribed spacer (ITS) rDNA gene sequence. When rice straw and corn steep powder were used as carbon and nitrogen sources, respectively, the maximal BGL activity of 12.3...

journal_title：Applied microbiology and biotechnology

authors： Jeya M,Joo AR,Lee KM,Tiwari MK,Lee KM,Kim SH,Lee JK

更新日期：2010-05-01 00:00:00

abstract：:This study evaluated the effect of inorganic mercury (Hg) on bacterial community and diversity in different soils. Three soils-neutral, alkaline and acidic-were spiked with six different concentrations of Hg ranging from 0 to 200 mg kg-1 and aged for 90 days. At the end of the ageing period, 18 samples from three diff...

journal_title：Applied microbiology and biotechnology

authors： Mahbub KR,Subashchandrabose SR,Krishnan K,Naidu R,Megharaj M

更新日期：2017-03-01 00:00:00

abstract：:This study investigated the effects of vanillin on methanogenesis and rumen fermentation, and the responses of ruminal protein-degrading bacteria to vanillin (at concentrations of 0, 0.76 and 1.52 g/L), essential oils (clove oil, 1 g/L; origanum oil, 0.50 g/L, and peppermint oil, 1 g/L), and quillaja saponin (at conce...

journal_title：Applied microbiology and biotechnology

authors： Patra AK,Yu Z

更新日期：2014-01-01 00:00:00

abstract：:A set of mutants was generated by targeted deletion of the hsdR loci of two type I restriction modification systems (RMS) identified in Bacillus licheniformis DSM13. Single as well as double knock-outs resulted in strains being readily transformable with plasmids isolated from Bacilli. Introduction of shuttle plasmids...

journal_title：Applied microbiology and biotechnology

authors： Waschkau B,Waldeck J,Wieland S,Eichstädt R,Meinhardt F

更新日期：2008-02-01 00:00:00

abstract：:Winemaking, brewing and baking are some of the oldest biotechnological processes. In all of them, alcoholic fermentation is the main biotransformation and Saccharomyces cerevisiae the primary microorganism. Although a wide variety of microbial species may participate in alcoholic fermentation and contribute to the sen...

journal_title：Applied microbiology and biotechnology

authors： Albergaria H,Arneborg N

更新日期：2016-03-01 00:00:00

abstract：:Trichothecenes are toxic secondary metabolites produced by filamentous fungi mainly belonging to the Fusarium genus. Production of these mycotoxins occurs during infection of crops and is a threat to human and animal health. Although the pathway for biosynthesis of trichothecenes is well established, the regulation of...

journal_title：Applied microbiology and biotechnology

authors： Merhej J,Richard-Forget F,Barreau C

更新日期：2011-08-01 00:00:00

abstract：:We have recently reported that expression of an unidentified heme protein is enhanced in a nitrifying activated sludge community under low (0.1 mg O2/L) dissolved oxygen (DO) conditions. A preliminary assessment suggested it may be a type of hemoglobin (Hb) or a lesser-known component of the energy-transducing pathway...

journal_title：Applied microbiology and biotechnology

authors： Arnaldos M,Kunkel SA,Stark BC,Pagilla KR

更新日期：2014-04-01 00:00:00

abstract：:Media and growth conditions were optimized for the microaerobic cultivation of Magnetospirillum gryphiswaldense in flasks and in a fermentor, resulting in significantly increased cell and magnetosome yields, compared with earlier studies. A reliable method was established for the automatic control of low dissolved oxy...

journal_title：Applied microbiology and biotechnology

authors： Heyen U,Schüler D

更新日期：2003-06-01 00:00:00

abstract：:The efficient production of recombinant proteins such as antibodies typically involves the screening of an extravagant number of clones in order to finally select a stable and high-producing cell line. Thereby, the underlying principles of a powerful protein machinery, but also potential expression limitations, often ...

journal_title：Applied microbiology and biotechnology

authors： Reinhart D,Sommeregger W,Debreczeny M,Gludovacz E,Kunert R

更新日期：2014-07-01 00:00:00

abstract：:Pseudomonas strain CT14 was isolated from activated sludge. Strain CT14 contained a 55, 216 bp plasmid that was characterized by sequence analysis. The plasmid had a modular structure with 51 open reading frames (ORFs) that were distributed between two clearly demarcated domains. Domain I primarily contained genes for...

journal_title：Applied microbiology and biotechnology

authors： Bramucci M,Chen M,Nagarajan V

更新日期：2006-06-01 00:00:00

abstract：:In this work, fermentation and formulation aspects of the nematophagous fungus Hirsutella rhossiliensis BBA were investigated. When incubated in 2% (w/w) glucose and 0.5% (w/w) yeast extract medium in a 1-L Erlenmeyer flask without baffles, heavy pellet formation was observed. Only 40% of the mycelium had a size less ...

journal_title：Applied microbiology and biotechnology

authors： Patel AV,Jakobs-Schönwandt D,Rose T,Vorlop KD

更新日期：2011-03-01 00:00:00

abstract：:Corynebacterium glutamicum, a high GC content gram-positive soil bacterium in Actinobacteria, has been used for the industrial production of amino acids and engineered to produce various compounds, including polymer building blocks and biofuels. Since its genome sequence was first published, its versatile metabolic pa...

journal_title：Applied microbiology and biotechnology

authors： Toyoda K,Inui M

更新日期：2016-01-01 00:00:00