Effect of a probiotic strain, Enterococcus faecium, on the immune responses of olive flounder (Paralichthys olivaceus).

abstract：:Gibberellins (GAs) are a group of phytohormones that control many developmental processes in higher plants. We report the cloning and expression pattern of gibberellin biosynthesis genes from a new GA-producing fungus, Fusarium proliferatum (strain KGL0401). These genes sequences are deposited in the National Center f...

journal_title：Journal of microbiology and biotechnology

authors： Rim SO,You YH,Yoon H,Kim YE,Lee JH,Kang MS,Kim C,Seu YB,Kim JG

更新日期：2013-05-01 00:00:00

abstract：:The purified endochitosanase (Mw 41 kDa) from bacterium Bacillus cereus D-11 hydrolyzed chitooligomers (GlcN)5-7 into chitobiose, chitotriose, and chitotetraose as the final products. The minimal size of the oligosaccharides for enzymatic hydrolysis was a pentamer. To further investigate the cleavage pattern of this e...

journal_title：Journal of microbiology and biotechnology

authors： Gao XA,Jung WJ,Kuk JH,Park RD

更新日期：2009-04-01 00:00:00

abstract：:Metarhizium anisopliae is a widely studied model to understand the virulence factors that participate in pathogenicity. Proteases such as subtilisin-like enzymes (Pr1) and trypsin-like enzymes (Pr2) are considered important factors for insect cuticle degradation. In four M. anisopliae strains (798, 6342, 6345, and 634...

journal_title：Journal of microbiology and biotechnology

authors： Rosas-García NM,Avalos-de-León O,Villegas-Mendoza JM,Mireles-Martínez M,Barboza-Corona JE,Castañeda-Ramírez JC

更新日期：2014-11-28 00:00:00

abstract：:Multidomain proteins for the biochemical analysis of the scouring efficiency of cotton fabrics were constructed by the fusion of a reporter moiety in the N-terminal and the cellulose binding domain (CBD) in the C-terminal. Based on the specific binding of the CBD of Cellulomonas fimi exoglucanase (Cex) to crystalline ...

journal_title：Journal of microbiology and biotechnology

authors： Ha JS,Lee YM,Choi SL,Song JJ,Shin CS,Kim JH,Lee SG

更新日期：2008-03-01 00:00:00

abstract：:Based on its α-amylase activity at pH 5.0 and optimal pH of the crude enzyme, a strain (named B-5) with acid α-amylase production was screened. The B-5 strain was identified as Bacillus amyloliquefaciens through morphological, physiological, and biochemical characteristics analysis, as well as 16S rDNA phylogenetic an...

journal_title：Journal of microbiology and biotechnology

authors： Liu X,Jia W,An Y,Cheng K,Wang M,Yang S,Chen H

更新日期：2015-06-01 00:00:00

abstract：:Bacterial resistance to antibiotics has been emerged as a major health problem in the recent years. Silver nanoparticles (AgNPs) have been known to have an inhibitory effect to the bacterial growth, however, the strength of this antibacterial activity in correlation with the physical properties of these AgNPs has bare...

journal_title：Journal of microbiology and biotechnology

authors： El-Sayed ASA,Ali D

更新日期：2018-07-19 00:00:00

abstract：:Acetoin (AC) is a volatile platform compound with various potential industrial applications. AC contains two stereoisomeric forms: (3S)-AC and (3R)-AC. Optically pure AC is an important potential intermediate and widely used as a precursor to synthesize novel optically active materials. In this study, chiral (3R)-AC p...

journal_title：Journal of microbiology and biotechnology

authors： Guo Z,Zhao X,He Y,Yang T,Gao H,Li G,Chen F,Sun M,Lee JK,Zhang L

更新日期：2017-01-28 00:00:00

abstract：:Ralstonia solanacearum causes bacterial wilt in a wide variety of host plant species and produces a melanin-like blackish-brown pigment in stationary phase when grown in minimal medium supplemented with tyrosine. To study melanin production regulation in R. solanacearum, five mutants exhibiting overproduction of melan...

journal_title：Journal of microbiology and biotechnology

authors： Ahmad S,Lee SY,Khan R,Kong HG,Son GJ,Roy N,Choi K,Lee SW

更新日期：2017-09-28 00:00:00

abstract：:Commercial application of laccase is often hampered by insufficient enzyme stocks, with very low yields obtained from natural sources. This study aimed to improve laccase production by mutation of a Coriolopsis gallica strain and to determine the biological properties of the mutant. The high-yield laccase strain C. ga...

journal_title：Journal of microbiology and biotechnology

authors： Xu X,Feng L,Han Z,Luo S,Wu A,Xie J

更新日期：2016-09-28 00:00:00

abstract：:A gene (acas) designated as alpha-amylase was cloned from Arthrobacter chlorophenolicus A6. The multiple amino acid sequence analysis and functional expression of acas revealed that this gene really encoded an amylosucrase (ASase) instead of alpha-amylase. In fact, the recombinant enzyme exhibited typical ASase activi...

journal_title：Journal of microbiology and biotechnology

authors： Seo DH,Jung JH,Choi HC,Cho HK,Kim HH,Ha SJ,Yoo SH,Cha J,Park CS

更新日期：2012-09-01 00:00:00

abstract：:Response surface methodology (RSM) examining the effects of five-level-three-factors and their mutual interactions was utilized to optimize the fermentation conditions to enhance capsular polysaccharide (CPS) production of Streptococcus pneumoniae type 3. Twenty experiments conducted in an 8-l lab-scale fermentor were...

journal_title：Journal of microbiology and biotechnology

authors： Jin SD,Kim YM,Kang HK,Jung SJ,Kim D

更新日期：2009-11-01 00:00:00

abstract：:Salmonellosis is a form of gastroenteritis caused by Salmonella infection. The main transmission route of salmonellosis has been identified as poorly cooked meat and poultry products contaminated with Salmonella. However, in recent years, the number of outbreaks attributed to contaminated raw produce has increased dra...

journal_title：Journal of microbiology and biotechnology

authors： Park S,Nam EW,Kim Y,Lee S,Kim SI,Yoon H

更新日期：2020-11-28 00:00:00

abstract：:As a provirus, polydnavirus has a segmented DNA genome on chromosome(s) of host wasp. It contains several genes in each segment that presumably play critical roles in regulating physiological processes of target insect parasitized by the wasp. A cysteine-rich protein 1 (CRP1) is present in the polydnavirus Cotesia plu...

journal_title：Journal of microbiology and biotechnology

authors： Barandoc K,Kim Y

更新日期：2009-06-01 00:00:00

abstract：:Trimethylamine (TMA) is a well-known off-odor compound in fish and fishery products and is a metabolic product of trimethylamine N-oxide (TMAO) generated by the enzymatic action of microorganisms. The off-odor is a factor that can debase the value of fish and fishery products. The present study aimed to remove TMA usi...

journal_title：Journal of microbiology and biotechnology

authors： Park SK,Jo DM,Yu D,Khan F,Lee YB,Kim YM

更新日期：2020-10-28 00:00:00

abstract：:Aging is associated with distinct changes in immune cells and a decline in immune function, leading to increased susceptibility to infection and reduced responses to vaccination. Certain strains of lactic acid bacteria exert beneficial effects on the immune system. Previously, we reported that Weissella cibaria JW15 i...

journal_title：Journal of microbiology and biotechnology

authors： Park HE,Kang KW,Kim BS,Lee SM,Lee WK

更新日期：2017-12-28 00:00:00

abstract：:The hepatitis C virus (HCV) RNA genome is replicated by an RNA replicase complex (RC) consisting of cellular proteins and viral nonstructural (NS) proteins, including NS5B, an RNAdependent RNA polymerase (RdRp) and key enzyme for viral RNA genome replication. The HCV RC is known to be associated with an intracellular ...

journal_title：Journal of microbiology and biotechnology

authors： Kim JH,Rhee JK,Ahn DG,Kim KP,Oh JW

更新日期：2014-12-28 00:00:00

abstract：:The effects of two different sugars (glucose and xylose) on the expression levels and patterns of xylose reductase (xyl1), xylitol dehydrogenase (xyl2) and xylulokinase (xyl3) genes were analyzed using Pichia stipitis. A significant increase in mRNA levels of xyl1 was observed after 6 hours growth in culture condition...

journal_title：Journal of microbiology and biotechnology

authors： Han JH,Park JY,Kang HW,Choi GW,Chung BW,Min J

更新日期：2010-05-01 00:00:00

abstract：:This study describes a novel strategy to regulate the metabolic flux for lactic acid production in Lactobacillus casei. The ldhL gene encoding L-lactate dehydrogenase (L-LDH) was overexpressed in L. casei, and a two-stage oxygen supply strategy (TOS) that maintained a medium oxygen supply level during the early fermen...

journal_title：Journal of microbiology and biotechnology

authors： Ge XY,Xu Y,Chen X,Zhang LY

更新日期：2015-01-01 00:00:00

abstract：:Lactobacillus casei 3260 (L. casei 3260) was evaluated in relation to the inflammatory response mediated by lipopolysaccharide (LPS)-induced nuclear factor-kappaB (NF-kappaB) and cyclooxygenase-2 (COX-2) expression in Raw264.7 macrophage cells. The treatment of Raw264.7 cells with L. casei 3260 significantly inhibited...

journal_title：Journal of microbiology and biotechnology

authors： Lee JM,Hwang KT,Jun WJ,Park CS,Lee MY

更新日期：2008-10-01 00:00:00

abstract：:Clostridium difficile causes mucosal damage and diarrhea by releasing two exotoxins: toxin A and toxin B. C. difficile colitis is associated with alterations in bowel flora and the failure to mount an effective antibody response. The aim of the current study was to investigate whether antitoxin sera prevent toxin-A-in...

journal_title：Journal of microbiology and biotechnology

authors： Kim DH,Lee IH,Nam ST,Nam HJ,Kang JK,Seok H,Hwang JS,Kim H

更新日期：2014-05-01 00:00:00

abstract：:The impact of overproduction of a heterologous protein on the metabolic system of host Lactococcus lactis was investigated. The protein expression profiles of L. lactis IL1403 containing two near-identical plasmids that expressed high- and low-level of the green fluorescent protein (GFP) were examined via shotgun prot...

journal_title：Journal of microbiology and biotechnology

authors： Kim M,Jin Y,An HJ,Kim J

更新日期：2017-07-28 00:00:00

abstract：:Inactivation of Escherichia coli O157:H7 and Salmonella typhimurium was evaluated on inoculated chicken by aqueous chlorine dioxide (ClO2) treatment. Chicken samples were inoculated with 6-7 log CFU/g of Escherichia coli O157:H7 and Salmonella typhimurium, respectively. The chicken samples were then treated with 0, 50...

journal_title：Journal of microbiology and biotechnology

authors： Hong Y,Ku K,Kim M,Won M,Chung K,Song KB

更新日期：2008-04-01 00:00:00

abstract：:Homology modeling of Streptomyces peucetius CYP147F1 was constructed using three cytochrome P450 structures, CYP107L1, CYPVdh, and CYPeryF, as templates. The lowest energy SPCYP147F1 model was then assessed for stereochemical quality and side-chain environment by Accelrys Discovery Studio 3.1 software. Further actives...

journal_title：Journal of microbiology and biotechnology

authors： Bhattarai S,Liou K,Oh TJ

更新日期：2012-07-01 00:00:00

abstract：:In the past, reactive oxygen species (ROS) have been considered a harmful byproduct of aerobic metabolism. However, accumulating evidence implicates redox homeostasis, which maintains appropriate ROS levels, in cell proliferation and differentiation in plants and animals. Similarly, ROS generation and signaling are in...

journal_title：Journal of microbiology and biotechnology

authors： Kim HJ

更新日期：2014-11-28 00:00:00

abstract：:Metabolite profiles of seven commercial vinegars and two traditional vinegars were performed by gas chromatography time-of-flight mass spectrometry with multivariate statistical analysis. During alcohol fermentation, yeast, nuruk, and koji were used as sugars for nutrients and as fermentation substrates. Commercial an...

journal_title：Journal of microbiology and biotechnology

authors： Jang YK,Lee MY,Kim HY,Lee S,Yeo SH,Baek SY,Lee CH

更新日期：2015-02-01 00:00:00

abstract：:Titanium dioxide (TiO2) has wide applications in food, cosmetics, pharmaceuticals and manufacturing due to its many properties such as photocatalytic activity and stability. In this study, the biosynthesis of TiO2 nanoparticles (NPs) was achieved by using Baker's yeast. TiO2 NPs were characterized by X-ray Diffraction...

journal_title：Journal of microbiology and biotechnology

authors： Peiris M,Gunasekara T,Jayaweera PM,Fernando S

更新日期：2018-10-28 00:00:00

abstract：:Middle East respiratory syndrome coronavirus (MERS-CoV) induces severe respiratory impairment with a reported mortality rate of ~36% in humans. The absence of clinically available MERS-CoV vaccines and treatments to date has resulted in uncontrolled incidence and propagation of the virus. In vaccine design, fusion wit...

journal_title：Journal of microbiology and biotechnology

authors： Chun J,Cho Y,Park KH,Choi H,Cho H,Lee HJ,Jang H,Kim KH,Oh YK,Kim YB

更新日期：2019-05-28 00:00:00

abstract：:Retrovirus tropism can be restricted by host cell factors such as Fv1, TRIM5alpha, and Lv1 that inhibit infection by targeting the incoming viral capsid. The Fv1 gene inhibits murine leukemia virus infection in mice, but the precise mechanism of Fv1-mediated restriction is poorly understood. Our previous studies had d...

journal_title：Journal of microbiology and biotechnology

authors： Bae EH,Park SH,Park SM,Park JW,Lim MS,Jung YT

更新日期：2008-04-01 00:00:00

abstract：:Different endophytic fungi isolated from Himalayan Yew plants were tested for their ability to produce taxol. The BAPT gene (C-13 phenylpropanoid side chain-CoA acetyl transferase) involved in the taxol biosynthetic pathway was used as a molecular marker to screen taxol-producing endophytic fungi. Taxol extracted from...

journal_title：Journal of microbiology and biotechnology

authors： Garyali S,Kumar A,Reddy MS

更新日期：2013-10-28 00:00:00

abstract：:This study compared the radioprotective effects of high-molecular-weight poly-gamma-glutamate (γ-PGA, average molecular mass 3,000 kDa) and a reduced form of glutathione (GSH, a known radioprotector) on calf thymus DNA damage. The radiation-induced DNA damage was measured on the basis of the decreased fluorescence int...

journal_title：Journal of microbiology and biotechnology

authors： Oh YJ,Kwak MS,Sung MH

更新日期：2018-04-28 00:00:00