Discrimination of riboflavin producing Bacillus subtilis strains based on their fed-batch process performances on a millilitre scale.

abstract：:Nervonic acid (NA) is a major very long-chain monounsaturated fatty acid found in the white matter of mammalian brains, which plays a critical role in the treatment of psychotic disorders and neurological development. In the nature, NA has been synthesized by a handful plants, fungi, and microalgae. Although the metab...

journal_title：Applied microbiology and biotechnology

authors： Fan Y,Meng HM,Hu GR,Li FL

更新日期：2018-04-01 00:00:00

abstract：:Butenyl-spinosyn produced by Saccharopolyspora pogona exhibits strong insecticidal activity and broad pesticidal spectrum. However, its synthetic level was low in the wild-type strain. At present, important functional genes involved in butenyl-spinosyn biosynthesis remain unknown, which leads to difficulty in efficien...

journal_title：Applied microbiology and biotechnology

authors： Rang J,Zhu Z,Li Y,Cao L,He H,Tang J,Hu J,Chen J,Hu S,Huang W,Yu Z,Ding X,Sun Y,Xie Q,Xia L

更新日期：2021-01-23 00:00:00

abstract：:Escherichia coli 044 K74 grown under anaerobic conditions in the presence of L: (-)-carnitine is able to convert D: (+)-carnitine into the L: (-)-enantiomer. This activity is repressed by electron acceptors such as oxygen and nitrate as well as by glucose. D: (+)-Carnitine shows no effect on the induction or repressio...

journal_title：Applied microbiology and biotechnology

authors： Jung H,Kleber HP

更新日期：1991-06-01 00:00:00

abstract：:Since 2015, outbreaks of hepatitis-hydropericardium syndrome (HPS) caused by a novel genotype of fowl adenovirus 4 (FAdV-4) infection have created serious economic losses in China. Given that other serotypes of hypervirulent FAdVs have also been reported in poultry around the world, a common ELISA for all serotypes wi...

journal_title：Applied microbiology and biotechnology

authors： Pan Q,Wang J,Gao Y,Cui H,Liu C,Qi X,Zhang Y,Wang Y,Li K,Gao L,Wang X

更新日期：2020-01-01 00:00:00

abstract：:Discovery of keratin-degrading enzymes from fungi and bacteria has primarily focused on finding one protease with efficient keratinase activity. Recently, an investigation was conducted of all keratinases secreted from a fungus known to grow on keratinaceous materials, such as feather, horn, and hooves. The study demo...

journal_title：Applied microbiology and biotechnology

authors： Lange L,Huang Y,Busk PK

更新日期：2016-03-01 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：:Polymalic acid (PMA) is a biodegradable polymer produced by the polyextremotolerant fungi Aureobasidium pullulans and has been shown to have potential applications in environmental fields. In this work, a high PMA yield mutant FJ-D2 was screened from T-DNA-based mutant libraries and showed a 12.9% increase in PMA tite...

journal_title：Applied microbiology and biotechnology

authors： Feng J,Li T,Zhang X,Chen J,Zhao T,Zou X

更新日期：2019-08-01 00:00:00

abstract：:Nanosized elemental sulfur (ES) is already reported to exert superior antimicrobial efficacy than micron-sized ES, which encourages their use in drugs and therapeutics. The aim of the present study is to explore the possible route and mode of antimicrobial action of orthorhombic (α-SNPs) and monoclinic (β-SNPs) allotr...

journal_title：Applied microbiology and biotechnology

authors： Roy Choudhury S,Mandal A,Ghosh M,Basu S,Chakravorty D,Goswami A

更新日期：2013-07-01 00:00:00

abstract：:Two lab-scale plug flow activated sludge reactors were run in parallel for 4 months at 30 and 55 degrees C. Research focussed on: (1) COD (chemical oxygen demand) removal, (2) effluent turbidity at both temperatures, (3) the origin of effluent colloidal material and (4) the possible role of protozoa on turbidity level...

journal_title：Applied microbiology and biotechnology

authors： Vogelaar JC,van Lier JB,Klapwijk B,de Vries MC,Lettinga G

更新日期：2002-06-01 00:00:00

abstract：:Aliphatic ketones, such as 2-butanone and 3-hexanone, with only one carbon difference among side chains adjacent to the carbonyl carbon are difficult to be reduced enantioselectively. In this study, we utilized an acetophenone reductase from Geotrichum candidum NBRC 4597 (GcAPRD) to reduce challenging aliphatic ketone...

journal_title：Applied microbiology and biotechnology

authors： Koesoema AA,Sugiyama Y,Xu Z,Standley DM,Senda M,Senda T,Matsuda T

更新日期：2019-12-01 00:00:00

abstract：:The oxidizing activity of CYP109B1 from Bacillus subtilis was reconstituted in vitro with various artificial redox proteins including putidaredoxin reductase and putidaredoxin from Pseudomonas putida, truncated bovine adrenodoxin reductase and adrenodoxin, flavodoxin reductase and flavodoxin from Escherichia coli, and...

journal_title：Applied microbiology and biotechnology

authors： Girhard M,Klaus T,Khatri Y,Bernhardt R,Urlacher VB

更新日期：2010-06-01 00:00:00

abstract：:Yeast artificial chromosomes (YAC) splitting technology was developed as a means to subclone any desired region of eukaryotic chromosomes from one YAC into new YACs. In the present study, the conventional YAC splitting technology was improved by incorporating PCR-mediated chromosome splitting technique and by adding a...

journal_title：Applied microbiology and biotechnology

authors： Kim Y,Sugiyama M,Yamagishi K,Kaneko Y,Fukui K,Kobayashi A,Harashima S

更新日期：2005-11-01 00:00:00

abstract：:In order to produce sophorolipids from whey, thereby lowering the lactose content and biological oxygen demand, a two-step batch cultivation process was developed including medium sterilization by filtration. In the first step, whey was sterilized by a combination of crossflow and sterile filtration. Because the sopho...

journal_title：Applied microbiology and biotechnology

authors： Daniel HJ,Otto RT,Binder M,Reuss M,Syldatk C

更新日期：1999-01-01 00:00:00

abstract：:Non-model yeasts within basidiomycetes have considerable importance in agriculture, industry, and environment, but they are not as well studied as ascomycetous yeasts. Serving as a basic technique, nuclear DNA staining is widely used in physiology, ecology, cell biology, and genetics. However, it is unclear whether th...

journal_title：Applied microbiology and biotechnology

authors： Zhang N,Fan Y,Li C,Wang Q,Leksawasdi N,Li F,Wang S

更新日期：2018-05-01 00:00:00

abstract：:Carboligations catalyzed by aldolases or thiamine diphosphate (ThDP)-dependent enzymes are well-known in biocatalysis to deliver enantioselective chain elongation reactions. A pyruvate-dependent aldolase (2-oxo-3-deoxy-6-phosphogluconate aldolase [EDA]) introduces a chiral center when reacting with the electrophile, g...

journal_title：Applied microbiology and biotechnology

authors： Schapfl M,Baier S,Fries A,Ferlaino S,Waltzer S,Müller M,Sprenger GA

更新日期：2018-10-01 00:00:00

abstract：:The nucleotide sequence of a 3240-bp genomic fragment including the gamma-actin-encoding gene from Acremonium chrysogenum has been determined, showing an open reading frame of 1691 bp, interrupted by five introns with fungal consensus splice-site junctions. The untranslated regions of the actA gene contain a consensus...

journal_title：Applied microbiology and biotechnology

authors： Díez B,Velasco J,Marcos AT,Rodríguez M,de la Fuente JL,Barredo JL

更新日期：2000-12-01 00:00:00

abstract：:In this work, the production of 1,3-propanediol from glucose and molasses was studied in a two-step process using two recombinant microorganisms. The first step of the process is the conversion of glucose or other sugar into glycerol by the metabolic engineered Saccharomyces cerevisiae strain HC42 adapted to high (>20...

journal_title：Applied microbiology and biotechnology

authors： Mendes FS,González-Pajuelo M,Cordier H,François JM,Vasconcelos I

更新日期：2011-11-01 00:00:00

abstract：:The impact of glucose on glycerol metabolism, especially on 3-hydroxypropionaldehyde (3-HPA) accumulation by resting cells of Lactobacillus reuteri has been investigated. Two systems were used in the study: MRS(-) (modified MRS - omitting glucose, acetate and Tween 80) and distilled water (H(2)O). In MRS(-), addition ...

journal_title：Applied microbiology and biotechnology

authors： Lüthi-Peng Q,Dileme FB,Puhan Z

更新日期：2002-07-01 00:00:00

abstract：:Garlic oil can disrupt the quorum sensing (QS) pathways of the opportunistic pathogen Pseudomonas aeruginosa; however, the underlying mechanisms for this effect are unclear. Diallyl disulfide (DADS) is one of the most abundant sulfur-containing compounds in garlic oil. This study investigated the effects of DADS on th...

journal_title：Applied microbiology and biotechnology

authors： Li WR,Ma YK,Shi QS,Xie XB,Sun TL,Peng H,Huang XM

更新日期：2018-09-01 00:00:00

abstract：:Rhodococcus erythropolis cells contain a large set of enzymes that allow them to carry out an enormous number of bioconversions and degradations. Oxidations, dehydrogenations, epoxidations, hydrolysis, hydroxylations, dehalogenations and desulfurisations have been reported to be performed by R. erythropolis cells or e...

journal_title：Applied microbiology and biotechnology

authors： de Carvalho CC,da Fonseca MM

更新日期：2005-06-01 00:00:00

abstract：:Production of (R)-3-hydroxybutyric acid [(R)-3-HB] by strain Halomonas sp. KM-1 under successive aeration conditions was investigated. The first aerobic condition allowed both cell growth and intracellular storage of poly-(R)-3-hydroxybutyric acid (PHB). The second microaerobic condition, achieved by reducing the cult...

journal_title：Applied microbiology and biotechnology

authors： Kawata Y,Kawasaki K,Shigeri Y

更新日期：2012-11-01 00:00:00

abstract：:The gene encoding NADP(+)-dependent L-1-amino-2-propanol dehydrogenase (AADH) of Rhodococcus erythropolis MAK154 was cloned and sequenced. A 780-bp nucleotide fragment was confirmed to be the gene encoding AADH by agreement of the N-terminal and internal amino acid sequences of the purified AADH. The gene (aadh) codes...

journal_title：Applied microbiology and biotechnology

authors： Kataoka M,Ishige T,Urano N,Nakamura Y,Sakuradani E,Fukui S,Kita S,Sakamoto K,Shimizu S

更新日期：2008-09-01 00:00:00

abstract：:Functional screening for lipolytic enzymes at low temperatures resulted in the isolation of the novel cold-active esterases, EstM-N1 and EstM-N2, from a metagenomic DNA library of arctic soil samples. EstM-N1 and EstM-N2 were 395 and 407 amino acids in length, respectively, and showed the highest similarity to class C...

journal_title：Applied microbiology and biotechnology

authors： Yu EY,Kwon MA,Lee M,Oh JY,Choi JE,Lee JY,Song BK,Hahm DH,Song JK

更新日期：2011-04-01 00:00:00

abstract：:We previously showed that opdA from Sphingomonas sp. PWE1 encodes a putative flavin monooxygenase capable of transforming octylphenol (OP) via type II ipso substitution. Here, we demonstrate that an opdA homolog is responsible for OP and related alkyl/alkoxyphenol degradation in the nonylphenol degrader Sphingomonas s...

journal_title：Applied microbiology and biotechnology

authors： Porter AW,Campbell BR,Kolvenbach BA,Corvini PF,Benndorf D,Rivera-Cancel G,Hay AG

更新日期：2012-04-01 00:00:00

abstract：:The environmental pollutant 4-sec-butylphenol (4-sec-BP) which possesses estrogenic properties was transformed by the aerobic Gram-positive bacteria Mycobacterium neoaurum and Nocardia cyriacigeorgica into three main products (P1-P3) which were isolated and structurally characterized in detail. Two of them were produc...

journal_title：Applied microbiology and biotechnology

authors： Hahn V,Sünwoldt K,Mikolasch A,Schauer F

更新日期：2013-09-01 00:00:00

abstract：:Engineered S. cerevisiae employing the xylose reductase pathway enables efficient xylose valorization to fuels and chemicals. However, toxicity of thermochemically pretreated biomass hydrolysate on S. cerevisiae is one of the key technical challenges to upgrade biomass-derived sugars including xylose and glucose into ...

journal_title：Applied microbiology and biotechnology

authors： Jayakody LN,Turner TL,Yun EJ,Kong II,Liu JJ,Jin YS

更新日期：2018-09-01 00:00:00

abstract：:A cyclodextrin glucanotransferase (CGTase) gene of Bacillus ohbensis was cloned in Escherichia coli and the nucleotide sequence was determined. A single open reading frame (2112 bp) with a TTG codon as an initiator was identified that encodes a typical signal peptide of 29 amino acids followed by the mature enzyme (67...

journal_title：Applied microbiology and biotechnology

authors： Sin K,Nakamura A,Kobayashi K,Masaki H,Uozumi T

更新日期：1991-08-01 00:00:00

abstract：:Resolution of (R,S)-ibuprofen enantiomers by esterification in different organic solvents was studied using Candida cylindracea lipase. This enzyme preparation had high enantiospecificity for S(+)-ibuprofen in the esterification reaction of a racemic ibuprofen with primary alcohols. The esterification yields of second...

journal_title：Applied microbiology and biotechnology

authors： Mustranta A

更新日期：1992-10-01 00:00:00

abstract：:An enzyme able to cleave the 3',5'-phosphate ring of 2'-methoxyethyl cyclic nucleotides (3',5'-cyclic nucleotide phosphodiesterase, EC 3.1.4.17) from Serratia marcescens DSM 30121 was used to deprotect the cyclic phosphate nucleotides after chemical alkylation. The process yielded 2'-O-alkylated nucleosides used as bu...

journal_title：Applied microbiology and biotechnology

authors： Marais G,Ghisalba O

更新日期：2005-02-01 00:00:00

abstract：:Bifidobacterium bifidum NCIMB41171 carries four genes encoding different beta-galactosidases. One of them, named bbgIII, consisted of an open reading frame of 1,935 amino acid (a.a.) residues encoding a protein with a multidomain structure, commonly identified on cell wall bound enzymes, having a signal peptide, a mem...

journal_title：Applied microbiology and biotechnology

authors： Goulas TK,Goulas AK,Tzortzis G,Gibson GR

更新日期：2007-10-01 00:00:00