abstract：:Outer membrane vesicles (OMVs) are spherical nanostructures that are ubiquitously shed from gram-negative bacteria both in vitro and in vivo. Recent findings revealed that OMVs, which contain diverse components derived from the parent bacterium, play an important role in communication with neighboring bacteria and the...

journal_title：Journal of microbiology and biotechnology

authors： Yoon H

更新日期：2016-08-28 00:00:00

abstract：:Lactobacillus brevis ATCC 14869 exhibited a carbon catabolite de-repressed (CCR) phenotype which has ability to consume fermentable sugar simultaneously with glucose. To evaluate this unusual phenotype under harsh conditions during fermentation, the effect of lactic acid and hydrogen ion concentrations on L. brevis AT...

journal_title：Journal of microbiology and biotechnology

authors： Jeong KH,Israr B,Shoemaker SP,Mills DA,Kim J

更新日期：2016-07-28 00:00:00

abstract：:The aim of this study was to isolate antioxidant peptides from an enzymatic hydrolysate of Spirulina platensis. A novel antioxidant peptide was obtained by ultrafiltration, gel filtration chromatography, and reverse-phase high-performance liquid chromatography, with the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical sca...

journal_title：Journal of microbiology and biotechnology

authors： Yu J,Hu Y,Xue M,Dun Y,Li S,Peng N,Liang Y,Zhao S

更新日期：2016-07-28 00:00:00

abstract：:Yam anthracnose caused by Colletotrichum gloeosporioides (C.g) is the most devastating disease of yam (Dioscorea sp.). In the present study, we evaluated the culture filtrate extract (CFE) of azalomycin-producing Streptomyces malaysiensis strain MJM1968 for the control of yam anthracnose. MJM1968 showed strong antagon...

journal_title：Journal of microbiology and biotechnology

authors： Arunachalam Palaniyandi S,Yang SH,Suh JW

更新日期：2016-06-28 00:00:00

abstract：:An intracellular lipase from Anoxybacillus flavithermus HBB 134 was purified to 7.4-fold. The molecular mass of the enzyme was found to be about 64 kDa. The maximum activity of the enzyme was at pH 9.0 and 50°C. The enzyme was stable between pH 6.0 and 11.0 at 25°C, 40°C, and 50°C for 24 h. The Km and Vmax of the enzy...

journal_title：Journal of microbiology and biotechnology

authors： Bakir ZB,Metin K

更新日期：2016-06-28 00:00:00

abstract：:Chitosan-based film-forming gel is regarded as a promising vehicle for topical delivery of antimicrobial agents to skin wounds, since it protects from microbial infection and the cationic polymer itself possesses antibacterial activity. In this study, possible synergistic interaction against common skin pathogens betw...

journal_title：Journal of microbiology and biotechnology

authors： Han SD,Sung HJ,Lee GH,Jun JH,Son M,Kang MJ

更新日期：2016-05-28 00:00:00

abstract：:Marine sediments are a microbial biosphere with an unknown physiology, and the sediments harbor numerous distinct phylogenetic lineages of Bacteria and Archaea that are at present uncultured. In this study, the structure of the archaeal and bacterial communities was investigated in the surface and subsurface sediments...

journal_title：Journal of microbiology and biotechnology

authors： Choi H,Koh HW,Kim H,Chae JC,Park SJ

更新日期：2016-05-28 00:00:00

abstract：:The effects of algal inoculation on chemical oxygen demand (COD) and total nitrogen (TN) removal, and indigenous bacterial dynamics were investigated in municipal wastewater. Experiments were conducted with municipal wastewater inoculated with either Chlorella vulgaris AG10032, Selenastrum gracile UTEX 325, or Scenede...

journal_title：Journal of microbiology and biotechnology

authors： Lee J,Lee J,Shukla SK,Park J,Lee TK

更新日期：2016-05-28 00:00:00

abstract：:In the present study, a lipopeptide (named AXLP14) antagonistic to Xanthomonas oryzae pv. oryzae (Xoo) was obtained from the culture supernatant of Bacillus amyloliquefaciens B014. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry analysis demonstrated that AXLP14 consisted of surfactin homo...

journal_title：Journal of microbiology and biotechnology

authors： Li SB,Xu SR,Zhang RN,Liu Y,Zhou RC

更新日期：2016-04-28 00:00:00

abstract：:Methane (CH₄) is the most abundant component in natural gas. To reduce its harmful environmental effect as a greenhouse gas, CH₄ can be utilized as a low-cost feed for the synthesis of methanol by methanotrophs. In this study, several methanotrophs were examined for their ability to produce methanol from CH₄; includin...

journal_title：Journal of microbiology and biotechnology

authors： Patel SK,Mardina P,Kim SY,Lee JK,Kim IW

更新日期：2016-04-28 00:00:00

abstract：:Communication between endothelial cells (ECs) and smooth muscle cells (SMCs) via miR-143/145 clusters is vital to vascular stability. Previous research demonstrates that miR-143/145 released from ECs can regulate SMC proliferation and migration. In addition, a recent study has found that SMCs also have the capability ...

journal_title：Journal of microbiology and biotechnology

authors： Wang W,Yang Y,Wang Y,Pang L,Huang J,Tao H,Sun X,Liu C

更新日期：2016-03-01 00:00:00

abstract：:Glucosyl rubusosides were synthesized by two dextransucrases. LcDexT was obtained from Leuconosotoc citreum, that LlDexT was obtained from Leuconostoc lactis. LcDexT and LlDexT regioselectively transferred a glucosyl residue to the 13-O-glucosyl moiety of rubusoside with high yield of 59-66% as analyzed by TLC and HPL...

journal_title：Journal of microbiology and biotechnology

authors： Ko JA,Ryu YB,Park JY,Kim CY,Kim JS,Nam SH,Lee WS,Kim YM

更新日期：2016-03-01 00:00:00

abstract：:This study was undertaken to evaluate the immunomodulatory effect of dead nano-sized Lactobacillus plantarum (nLp) in RAW 264.7 cells and murine primary splenocytes. nLp is a dead, shrunken, processed form of L. plantarum nF1 isolated from kimchi (a traditional Korean fermented cabbage) and is less than 1 μm in size. ...

journal_title：Journal of microbiology and biotechnology

authors： Lee HA,Kim H,Lee KW,Park KY

更新日期：2016-03-01 00:00:00

abstract：:In this study, we compared the virulence-associated factors of Acinetobacter baumannii complex species. Sixty-three isolates of five A. baumannii complex species, including 19 A. baumannii, 15 A. nosocomialis, 13 A. seifertii, 13 A. pittii, and 3 A. calcoaceticus isolates, were included in this study. For all isolates...

journal_title：Journal of microbiology and biotechnology

authors： Na IY,Chung ES,Jung CY,Kim DH,Shin J,Kang K,Kim ST,Ko KS

更新日期：2016-01-01 00:00:00

abstract：:Two new glucosides (1 and 2) of geldanamycin (GA) analogs were obtained from in vitro glycosylation by UDP-glycosyltransferase (YjiC). Based on spectroscopic (HR-ESI-MS, 1D, and 2D-NMR) analyses, the glucosides were elucidated as 4,5-dihydro-7-O-descarbamoyl-7- hydroxyl GA-7-O-β-D-glucoside (1) and ACDL3172-18-O-β-D-g...

journal_title：Journal of microbiology and biotechnology

authors： Huo Q,Li HM,Lee JK,Li J,Ma T,Zhang X,Dai Y,Hong YS,Wu CZ

更新日期：2016-01-01 00:00:00

abstract：:Nanoparticles have wide-scale applications in various areas, including medicine, chemistry, electronics, and energy generation. Several physical, biological, and chemical methods have been used for synthesis of silver nanoparticles. Green synthesis of silver nanoparticles using plants provide advantages over other met...

journal_title：Journal of microbiology and biotechnology

authors： Fatima M,Zaidi NU,Amraiz D,Afzal F

更新日期：2016-01-01 00:00:00

abstract：:The synergy effect of trisodium phosphate (TSP) and ethanol against murine norovirus 1 (MNV-1), as a surrogate for human noroviruses, on fresh produces was evaluated. More than 2% (w/v) of TSP effectively inactivated MNV-1. The single treatment of 1% TSP or 30% ethanol for 30 min was not effective on MNV-1; however, c...

journal_title：Journal of microbiology and biotechnology

authors： Kim EJ,Lee YD,Kim KY,Park JH

更新日期：2015-12-28 00:00:00

abstract：:VP7, an outer capsid protein of grass carp reovirus (GCRV), was expressed and displayed on the surface of Saccharomyces cerevisiae for developing an efficient vaccine against hemorrhagic disease of grass carp. The result of flow cytometry analysis indicated that protein VP7 could be displayed on the surface of yeast c...

journal_title：Journal of microbiology and biotechnology

authors： Luo S,Yan L,Zhang X,Yuan L,Fang Q,Zhang YA,Dai H

更新日期：2015-12-28 00:00:00

abstract：:A gene encoding lipolytic enzyme, lip7-3, was isolated from Bacillus sp. W130-35 isolated from a tidal mud flat. The gene encoded a protein of 215 amino acids with a signal peptide composed of 34 amino acid residues. Lip7-3 belonged to the family I.4 lipase and showed its maximal activity at pH 9.0 and 60°C. Its activ...

journal_title：Journal of microbiology and biotechnology

authors： Kim HJ,Jung WK,Lee HW,Yoo W,Kim TD,Kim H

更新日期：2015-12-28 00:00:00

abstract：:The SMG1 lipase from Malassezia globosa is a newly found mono- and diacylglycerol (DAG) lipase that has a unique lid in the loop conformation that differs from the common alpha-helix lid. In the present study, we characterized the contribution of three residues, L103 and F104 in the lid and F278 in the rim of the bind...

journal_title：Journal of microbiology and biotechnology

authors： Lan D,Wang Q,Popowicz GM,Yang B,Tang Q,Wang Y

更新日期：2015-11-01 00:00:00

abstract：:Fibrinolytic enzyme genes (aprE2, aprE176, and aprE179) were introduced into the Bacillus subtilis 168 chromosome without any antibiotic resistance gene. An integration vector, pDG1662, was used to deliver the genes into the amyE site of B. subtilis 168. Integrants, SJ3-5nc, SJ176nc, and SJ179nc, were obtained after t...

journal_title：Journal of microbiology and biotechnology

authors： Jeong SJ,Park JY,Lee JY,Lee KW,Cho KM,Kim GM,Shin JH,Kim JS,Kim JH

更新日期：2015-11-01 00:00:00

abstract：:Chlamydia possesses a conserved 7.5 kb plasmid that is known to play an important role in chlamydial pathogenesis, since some chlamydial organisms lacking the plasmid are attenuated. The chlamydial transformation system developed recently required the use of plasmid-free organisms. Thus, the generation and identificat...

journal_title：Journal of microbiology and biotechnology

authors： Chen C,Zhong G,Ren L,Lu C,Li Z,Wu Y

更新日期：2015-10-01 00:00:00

abstract：:This study was done to establish a mouse model for catheter-related biofilm infection suitable to bioluminescence imaging (BLI). Biofilm formation of Pseudomonas aeruginosa (P. aeruginosa) Xen5 grown on catheter disks in vitro and in an implanted mouse model was real-time monitored during a 7-day study period using BL...

journal_title：Journal of microbiology and biotechnology

authors： Liu X,Yin H,Xu X,Cheng Y,Cai Y,Wang R

更新日期：2015-10-01 00:00:00

abstract：:We recently reported that the antimicrobial peptide Lumbricusin (NH2-RNRRWCIDQQA), isolated from the earthworm, increases cell proliferation in neuroblastoma SH-SY5Y cells. Here, we investigated whether Lumbricusin has neurotropic activity in mouse neural stem cells (MNSCs) and a protective effect in a mouse model of ...

journal_title：Journal of microbiology and biotechnology

authors： Kim DH,Lee IH,Nam ST,Hong J,Zhang P,Lu LF,Hwang JS,Park KC,Kim H

更新日期：2015-10-01 00:00:00

abstract：:Monoamine oxidase (MAO) is found in most cell types and catalyzes the oxidation of monoamines. Three anithiactins (A-C, modified 2-phenylthiazoles) isolated from Streptomyces sp. were tested for inhibitory activity of two isoforms, MAO-A and MAO-B. Anithiactin A was effective and selective for the inhibition of MAO-A,...

journal_title：Journal of microbiology and biotechnology

authors： Lee HW,Jung WK,Kim HJ,Jeong YS,Nam SJ,Kang H,Kim H

更新日期：2015-09-01 00:00:00

abstract：:Quorum sensing is a process of cell-to-cell communication in which bacteria produce autoinducers as signaling molecules to sense cell density and coordinate gene expression. In the present study, a LuxI-type synthase, AnoI, and a LuxR-type regulator, AnoR, were identified in Acinetobacter nosocomialis, an important no...

journal_title：Journal of microbiology and biotechnology

authors： Oh MH,Choi CH

更新日期：2015-08-01 00:00:00

abstract：:The aim of the present work was to examine the putative promoter region of the operon ansPAB and to determine the general elements required for the regulation of transcriptional activity. The transcriptional start site of the ansPAB promoter was determined by using highresolution S1-nuclease mapping. Sequence analysis...

journal_title：Journal of microbiology and biotechnology

authors： Moreno-Enríquez A,Evangelista-Martínez Z,Servín-González L,Flores-Carrasco ME

更新日期：2015-08-01 00:00:00

abstract：:Arbuscular mycorrhizal fungi (AMF) have great potential for assisting heavy metal hyperaccumulators in the remediation of contaminated soils. However, little information is available about the symbiosis of AMF associated with an antimony (Sb) accumulator plant under natural conditions. Therefore, the objective of this...

journal_title：Journal of microbiology and biotechnology

authors： Wei Y,Chen Z,Wu F,Li J,ShangGuan Y,Li F,Zeng QR,Hou H

更新日期：2015-08-01 00:00:00

abstract：:Poly-gamma-glutamic acid (γ-PGA) is a natural polymer that is synthesized by Bacillus species and has been reported to have antitumor activity. The aim of this study was to investigate the effect of γ-PGA on the treatment of vaginal intraepithelial neoplasia (VAIN). A retrospective observational study on γ-PGA therapy...

journal_title：Journal of microbiology and biotechnology

authors： Koo YJ,Min KJ,Hong JH,Lee JK

更新日期：2015-07-01 00:00:00

abstract：:Cadaverine (1,5-diaminopentane) is an important industrial chemical with a wide range of applications. Although there have been many efforts to produce cadaverine through fermentation, there are not many reports of the direct cadaverine production from lysine using biotransformation. Whole-cell reactions were examined...

journal_title：Journal of microbiology and biotechnology

authors： Kim HJ,Kim YH,Shin JH,Bhatia SK,Sathiyanarayanan G,Seo HM,Choi KY,Yang YH,Park K

更新日期：2015-07-01 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：:Many strains of Bacillus cereus cause gastrointestinal diseases, and the closely related insect pathogen Bacillus thuringiensis has also been involved in outbreaks of diarrhea. The diarrheal diseases are attributed to enterotoxins. Sixteen reference strains of B. cereus and nine commercial and 12 reference strains of ...

journal_title：Journal of microbiology and biotechnology

authors： Kim MJ,Han JK,Park JS,Lee JS,Lee SH,Cho JI,Kim KS

更新日期：2015-06-01 00:00:00

abstract：:Bacterial heme was produced from a genetic-engineered Escherichia coli via the porphyrin pathway and it was useful as an iron resource for animal feed. The amount of the E. colisynthesized heme, however, was only few milligrams in a culture broth and it was not enough for industrial applications. To analyze heme biosy...

journal_title：Journal of microbiology and biotechnology

authors： Pranawidjaja S,Choi SI,Lay BW,Kim P

更新日期：2015-06-01 00:00:00

abstract：:A phytase gene was identified in a publicly available metagenome derived from subsurface groundwater, which was deduced to encode for a protein of the histidine acid phosphatase (HAP) family. The nucleotide sequence of the phytase gene was chemically synthesized and cloned, in order to further overexpress the phytase ...

journal_title：Journal of microbiology and biotechnology

authors： Tan H,Wu X,Xie L,Huang Z,Gan B,Peng W

更新日期：2015-06-01 00:00:00

abstract：:Accumulating evidence indicates that lactic acid bacteria could improve host physiology and lipid metabolism. To investigate the effect of the gut microbiota on host lipid metabolism, a hyperlipidemic rat model was established by feeding rats a high-fat diet for 28 days, and the gut microbiota of the rats was analyzed...

journal_title：Journal of microbiology and biotechnology

authors： Chen D,Yang Z,Chen X,Huang Y,Yin B,Guo F,Zhao H,Huang J,Wu Y,Gu R

更新日期：2015-05-01 00:00:00

abstract：:The cohesin complex holds sister chromatids together and prevents premature chromosome segregation until the onset of anaphase. Mcd1 (also known as Scc1), the α-kleisin subunit of cohesin, is a key regulatory subunit of the mitotic cohesin complex and is required for maintaining sister chromatid cohesion, chromosome o...

journal_title：Journal of microbiology and biotechnology

authors： Lee MS,Yoon SW,Kim KP

更新日期：2015-05-01 00:00:00

abstract：:The yeast surface-displayed cDNA library has been used to identify unknown antigens. However, when unknown target antigens show moderate-to-low abundance, some modifications are needed in the screening process. In this study, a directional random-primed cDNA library was used to increase the number of candidates for th...

journal_title：Journal of microbiology and biotechnology

authors： Kim JY,Kim HK,Jang HJ,Kim EK,Kim MK

更新日期：2015-04-01 00:00:00

abstract：:Lactobacillus species have been shown to enhance intestinal epithelial barrier function, modulate host immune responses, and suppress the growth of pathogenic bacteria, yeasts, molds, and viruses. Thus, lactobacilli have been used as probiotics for treating various diseases, including intestinal disorders, and as biol...

journal_title：Journal of microbiology and biotechnology

authors： Eom JS,Song J,Choi HS

更新日期：2015-04-01 00:00:00

abstract：:A Myagropsis myagroides (Mm) methanol extract showed α-amylase inhibitory activity of 13% at a concentration of 5 mg/ml. Results showed that the hexane fraction from the Mm methanol extract exhibited α-amylase inhibitory activity with an IC50 value of 4.24 mg/ml. The hexane fraction was separated using silica-gel colu...

journal_title：Journal of microbiology and biotechnology

authors： Pak WM,Kim KB,Kim MJ,Cho JY,Ahn DH

更新日期：2015-03-01 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