Microbial production of propionic acid and vitamin B12 using molasses or sugar.

abstract：:Fermentative H(2) production microbial structure in an agitated granular sludge bed bioreactor was analyzed using fluorescence in situ hybridization (FISH) and polymerase chain reaction-denatured gradient gel electrophoresis (PCR-DGGE). This hydrogen-producing system was operated at four different hydraulic retention ...

journal_title：Applied microbiology and biotechnology

authors： Hung CH,Lee KS,Cheng LH,Huang YH,Lin PJ,Chang JS

更新日期：2007-06-01 00:00:00

abstract：:Extremely acidophilic microorganisms have an optimal pH of <3 and are found in all three domains of life. As metals are more soluble at acid pH, acidophiles are often challenged by very high metal concentrations. Acidophiles are metal-tolerant by both intrinsic, passive mechanisms as well as active systems. Passive me...

journal_title：Applied microbiology and biotechnology

authors： Dopson M,Holmes DS

更新日期：2014-10-01 00:00:00

abstract：:Due to its potential in preventing or slowing the occurrence of many diseases, resveratrol (3,5,4'-trihydroxystilbene) has attracted great research interest. The objective of this study was to identify microorganisms from selected plants that produce resveratrol and to optimize the conditions for resveratrol productio...

journal_title：Applied microbiology and biotechnology

authors： Shi J,Zeng Q,Liu Y,Pan Z

更新日期：2012-07-01 00:00:00

abstract：:A novel immobilisation design for increasing the final concentration of the heterologous protein lysozyme by a genetically engineered fungus, Aspergillus niger B1, was developed. A central composition design was used to investigate different immobilised polymer types (alginate and pectate), polymer concentration [24% ...

journal_title：Applied microbiology and biotechnology

authors： Parra R,Aldred D,Magan N

更新日期：2005-05-01 00:00:00

abstract：:A new tool to provide an environmentally friendly way to deliver active proteins to the environment has been developed, based on the use of polyhydroxyalkanoate (PHA, bioplastic) granules. To illustrate this novel approach, a derived Cry1Ab insect-specific toxin protein was in vivo immobilized into PHA granules throug...

journal_title：Applied microbiology and biotechnology

authors： Moldes C,Farinós GP,de Eugenio LI,García P,García JL,Ortego F,Hernández-Crespo P,Castañera P,Prieto MA

更新日期：2006-08-01 00:00:00

abstract：:MeBglD2, a β-glycosidase that is highly activated in the presence of various monosaccharides and disaccharides, was isolated from a soil metagenomic library. MeBglD2 had not only β-glucosidase activity but also β-galactosidase and β-fucosidase activities. MeBglD2 β-glucosidase activity increased in a cellobiose concen...

journal_title：Applied microbiology and biotechnology

authors： Matsuzawa T,Yaoi K

更新日期：2017-01-01 00:00:00

abstract：:Saccharomyces cerevisiae is the organism of choice for many food and beverage fermentations because it thrives in high-sugar and high-ethanol conditions. However, the conditions encountered in bioethanol fermentation pose specific challenges, including extremely high sugar and ethanol concentrations, high temperature,...

journal_title：Applied microbiology and biotechnology

authors： Mukherjee V,Steensels J,Lievens B,Van de Voorde I,Verplaetse A,Aerts G,Willems KA,Thevelein JM,Verstrepen KJ,Ruyters S

更新日期：2014-11-01 00:00:00

abstract：:A recombinant oleate hydratase from Lysinibacillus fusiformis converted ricinoleic acid to a product, whose chemical structure was identified as the novel compound 10,12-dihydroxystearic acid by gas chromatograph/mass spectrometry, Fourier transform infrared, and nuclear magnetic resonance analysis. The reaction condi...

journal_title：Applied microbiology and biotechnology

authors： Seo MH,Kim KR,Oh DK

更新日期：2013-10-01 00:00:00

abstract：:Glycerophosphate oxidase was purified from Aerococcus viridans cells by phase partitioning in Triton X-114, ammonium sulfate fractionation, FPLC ion-exchange chromatography and FPLC hydrophobic-interaction chromatography. The purification achieved from a crude extract of A. viridans was 38-fold with a 32% recovery of ...

journal_title：Applied microbiology and biotechnology

authors： Streitenberger SA,López-Mas JA,Sánchez-Ferrer A,García-Carmona F

更新日期：2001-10-01 00:00:00

abstract：:Anode properties are critical for the performance of microbial electrolysis cells (MECs). In the present study, Fe nanoparticle-modified graphite disks were used as anodes to investigate the effects of nanoparticles on the performance of Shewanella oneidensis MR-1 in MECs. Results demonstrated that the average current...

journal_title：Applied microbiology and biotechnology

authors： Xu S,Liu H,Fan Y,Schaller R,Jiao J,Chaplen F

更新日期：2012-01-01 00:00:00

abstract：:To optimize the expression of cry genes in a Bacillus thuringiensis sigK mutant failing in crystal releasing, the transcriptional activity of the cry promoters cry1A, cry3A, cry4A, and cry8E was compared using lacZ gene fusions. A beta-galactosidase assay indicated that the cry8E promoter showed the highest transcript...

journal_title：Applied microbiology and biotechnology

authors： Zhou C,Zheng Q,Peng Q,Du L,Shu C,Zhang J,Song F

更新日期：2014-09-01 00:00:00

abstract：:Catharanthus roseus (L.) G. Don is a plant species known for its production of a variety of terpenoid indole alkaloids, many of which have pharmacological activities. Production of catharanthine in cell cultures or in hairy roots established by transformation with Agrobacterium rhizogenes is of interest because cathar...

journal_title：Applied microbiology and biotechnology

authors： Zhou ML,Hou HL,Zhu XM,Shao JR,Wu YM,Tang YX

更新日期：2011-08-01 00:00:00

abstract：:Gelatin zymography revealed the presence of proteolytic activity in conditioned medium (CM) from a serum-free, non-infected Spodoptera frugiperda, Sf9 insect cell culture. Two peptidase bands at about 49 and 39 kDa were detected and found to be proform and active form of the same enzyme. The 49-kDa form was visible on...

journal_title：Applied microbiology and biotechnology

authors： Lindskog E,Svensson I,Häggström L

更新日期：2006-07-01 00:00:00

abstract：:Cyclodipeptide oxidases (CDOs) perform dehydrogenations on diketopiperazines and play an important role in the cyclodipeptide diversification. In this study, we investigated the two known CDOs AlbA/B and Ndas_1146/7 and one new member, CDO-Np. LC-MS monitoring of 32 cyclodipeptide biotransformations in E. coli reveale...

journal_title：Applied microbiology and biotechnology

authors： Mikulski L,Schäfer J,Brockmeyer K,Kraut R,Li SM

更新日期：2020-03-01 00:00:00

abstract：:Two hypothetical proteins XP_001818628 and XP_001819091 (designated AoFaeB and AoFaeC, respectively), showing sequence identity with known type-C feruloyl esterases, have been found in the genomic sequence of Aspergillus oryzae. We cloned the putative A. oryzae feruloyl esterase-encoding genes and expressed them in Pi...

journal_title：Applied microbiology and biotechnology

authors： Koseki T,Hori A,Seki S,Murayama T,Shiono Y

更新日期：2009-06-01 00:00:00

abstract：:The engineering of Corynebacterium glutamicum is important for enhanced production of biochemicals. To construct an optimal C. glutamicum genome, a precise site-directed gene integration method was developed by using a pair of mutant lox sites, one a right element (RE) mutant lox site and the other a left element (LE)...

journal_title：Applied microbiology and biotechnology

authors： Suzuki N,Inui M,Yukawa H

更新日期：2007-12-01 00:00:00

abstract：:To meet the demand for sustainable energy, aquifer thermal energy storage (ATES) is widely used in the subsurface in urban areas. However, contamination of groundwater, especially with chlorinated volatile organic compounds (CVOCs), is often being encountered. This is commonly seen as an impediment to ATES implementat...

journal_title：Applied microbiology and biotechnology

authors： Ni Z,van Gaans P,Smit M,Rijnaarts H,Grotenhuis T

更新日期：2016-04-01 00:00:00

abstract：:Genome walking is a commonly used technique for the identification of DNA sequences adjacent to known regions. Despite the development of various genome walking methods, nonspecific products are often produced in certain circumstances, especially when GC-rich DNA sequences are dealt with. To effectively resolve such t...

journal_title：Applied microbiology and biotechnology

authors： Deng J,Wei M,Yu B,Chen Y

更新日期：2010-06-01 00:00:00

abstract：:The medicinal mushroom Agaricus blazei produced high amounts of laccase (up to 5,000 units l(-1)) in a complex, agitated liquid medium based on tomato juice, while only traces of the enzyme (<100 units l(-1)) were detected in synthetic glucose-based medium. Purification of the enzyme required three chromatographic ste...

journal_title：Applied microbiology and biotechnology

authors： Ullrich R,Huong le M,Dung NL,Hofrichter M

更新日期：2005-05-01 00:00:00

abstract：:The alkali-soluble glucan of the yeast cell wall contains beta-(1,3)- and (1,6)-D-linkages and systemically enhances the immune system. To isolate Saccharomyces cerevisiae mutants producing glucan with a high degree of beta-(1,6)-D-glycosidic bonds, a wild-type strain was mutagenized with ultraviolet light. The mutant...

journal_title：Applied microbiology and biotechnology

authors： Ha CH,Lim KH,Kim YT,Lim ST,Kim CW,Chang HI

更新日期：2002-03-01 00:00:00

abstract：:Significant resources are invested into efforts to improve the production yields of natural products from Actinobacteria, a well-recognized source of leads for several industries, most notably pharmaceutical one. Introduction of changes into genes for ribosomal protein S12 (rpsL) and/or 16S rRNA methylation (rsmG) is ...

journal_title：Applied microbiology and biotechnology

authors： Lopatniuk M,Myronovskyi M,Nottebrock A,Busche T,Kalinowski J,Ostash B,Fedorenko V,Luzhetskyy A

更新日期：2019-09-01 00:00:00

abstract：:Rapid sugar consumption is important for the microbial production of chemicals and fuels. Here, we show that overexpression of the NADH dehydrogenase gene (ndh) increased glucose consumption rate in Corynebacterium glutamicum under oxygen-deprived conditions through investigating the relationship between the glucose c...

journal_title：Applied microbiology and biotechnology

authors： Tsuge Y,Uematsu K,Yamamoto S,Suda M,Yukawa H,Inui M

更新日期：2015-07-01 00:00:00

abstract：:Bacterial glucans have aroused increasing interest in commercial applications in the food and pharmaceutical sectors. A number of bacterial glucans have been reported over recent decades, and their structure, production, and functional properties have been extensively studied. In this paper, we review recent researche...

journal_title：Applied microbiology and biotechnology

authors： Xu L,Zhang J

更新日期：2016-11-01 00:00:00

abstract：:A fast and convenient bacterial immobilization method was proposed as an attempt to improve the anode efficiency of a microbial fuel cell, in which bacteria were entrapped into carbon nanoparticle matrix. The direct electron transfer from the entrapped bacterial cells to the anode was verified using cyclic voltammogra...

journal_title：Applied microbiology and biotechnology

authors： Yuan Y,Zhou S,Xu N,Zhuang L

更新日期：2011-03-01 00:00:00

abstract：:Sugar beet pulp is a natural carbon source composed mainly of pectin and cellulose, which is utilized and degraded by the ascomycete Penicillium purpurogenum. The fungus also grows on and degrades acetylated xylan which lacks cellulose and pectin. Both carbon sources have been used in our laboratory to grow the fungus...

journal_title：Applied microbiology and biotechnology

authors： Navarrete M,Callegari E,Eyzaguirre J

更新日期：2012-01-01 00:00:00

abstract：:Histone lysine acetylation orchestrates transcriptional activity essential for diverse cellular events across organisms, but it remains poorly understood how an acetylated lysine affects cellular functions in filamentous fungal pathogens. Here, we show the functions of a histone acetyltransferase that is phylogenetica...

journal_title：Applied microbiology and biotechnology

authors： Wang JJ,Cai Q,Qiu L,Ying SH,Feng MG

更新日期：2018-02-01 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：:Functional genomics of filamentous fungi has gradually uncovered gene information for constructing 'cell factories' and controlling pathogens. Available gene manipulation methods of filamentous fungi include random integration methods, gene targeting technology, gene editing with artificial nucleases and RNA technolog...

journal_title：Applied microbiology and biotechnology

authors： Wang S,Chen H,Tang X,Zhang H,Chen W,Chen YQ

更新日期：2017-11-01 00:00:00

abstract：:We have recently described the biocatalytic characterization of a self-sufficent biosynthetic alkane hydroxylase based on CYP153A13a from Alcanivorax borkumensis SK2 (thereafter A13-Red). Despite remarkable regio- and chemo-selectivity, A13-Red suffers of a difficult-to-reproduce expression and moderate operational st...

journal_title：Applied microbiology and biotechnology

authors： Bordeaux M,de Girval D,Rullaud R,Subileau M,Dubreucq E,Drone J

更新日期：2014-01-01 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