Purification of capsular polysaccharide produced by Streptococcus pneumoniae serotype 19A.

abstract：:Doenjang, a traditional Korean fermented soybean paste, is made by mixing and ripening meju with high salt brine (approximately 18%). Meju is a naturally fermented soybean block prepared by soaking, steaming, and molding soybean. To understand living bacterial community migration and the roles of bacteria in the manuf...

journal_title：Journal of microbiology and biotechnology

authors： Jeong DW,Kim HR,Jung G,Han S,Kim CT,Lee JH

更新日期：2014-05-01 00:00:00

abstract：:A Haematococcus pluvialis strain isolated from the ruins of Ephesus in Turkey was investigated as regards its adaptation to laboratory conditions and maximum growth rate. In the first stage of the experiment, the growth of H. pluvialis was compared in common culture media. Furthermore, in an effort to minimize the cul...

journal_title：Journal of microbiology and biotechnology

authors： Dalay MC,Imamoglu E,Demirel Z

更新日期：2007-03-01 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：:Wild strain L-6 was subjected to combined mutagenesis, including UV irradiation, atmospheric and room temperature plasma, and ion beam implantation, to increase the yield of 1,3-dihydroxyacetone (DHA). With application of a high-throughput screening method, mutant Gluconobacter oxydans I-2-239 with a DHA productivity ...

journal_title：Journal of microbiology and biotechnology

authors： Lin X,Liu S,Xie G,Chen J,Li P,Chen J

更新日期：2016-11-28 00:00:00

abstract：:Nutraceutical treatments can reduce inflammation and prevent the development of inflammatory diseases. In this study, the anti-inflammatory effects of Smilax guianensis Vitman extract (SGE) were examined. SGE suppressed lipopolysaccharide (LPS)-mediated nitrite production in RAW 264.7 cells. SGE also prevented the LPS...

journal_title：Journal of microbiology and biotechnology

authors： Kim JG,Kim MJ,Lee JS,Sydara K,Lee S,Byun S,Jung SK

更新日期：2020-06-28 00:00:00

abstract：:The first gene (alpha-gal1) encoding an extracellular alpha-Dgalactosidase from the thermophilic fungus Talaromyces emersonii was cloned and characterized. The alpha-gal1 gene consisted of an open reading frame of 1,792 base pairs interrupted by six introns that encoded a mature protein of 452 amino acids, including a...

journal_title：Journal of microbiology and biotechnology

authors： Simila J,Gernig A,Murray P,Fernandes S,Tuohy MG

更新日期：2010-12-01 00:00:00

abstract：:Using 200 porcine colon tissues, the efficiencies of three isolation methods of Campylobacter from porcine intestines were compared: Method 1, direct streaking of colon mucosa; Method 2, direct inoculation of intestinal contents with a swab; Method 3, inoculation of pre-enriched medium. A total of 460 Campylobacter is...

journal_title：Journal of microbiology and biotechnology

authors： Shin E,Lee Y

更新日期：2009-07-01 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：: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：: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：:The dye decolorization rate in a cell-free culture broth of the white-rot fungus Trametes versicolor CBR43 was studied, including the effects of inhibitors of NaCl, Zn(II), and Cd(II) on dye decolorization activity. The maximum rates of dye decolorization in cell-free culture broth were 1,410, 44.7, 41.2, and 0.19 μmo...

journal_title：Journal of microbiology and biotechnology

authors： Ryu H,Ryu HW,Cho KS

更新日期：2017-01-28 00:00:00

abstract：:The application of steroids has steadily increased thanks to their therapeutic effects. However, alternatives are required due their severe side effects; thus, studies on the activities of steroid derivatives are underway. Sugar derivatives of nandrolone, which is used to treat breast cancer, as well as cortisone and ...

journal_title：Journal of microbiology and biotechnology

authors： Yu EJ,Yamaguchi T,Lee JH,Lim AR,Lee JH,Park H,Oh TJ

更新日期：2020-04-28 00:00:00

abstract：:L-Arabinose, a five carbon sugar, has not been considered as an important bioresource because most studies have focused on D-xylose, another type of five-carbon sugar that is prevalent as a monomeric structure of hemicellulose. In fact, L-arabinose is also an important monomer of hemicellulose, but its content is much...

journal_title：Journal of microbiology and biotechnology

authors： Ye S,Kim JW,Kim SR

更新日期：2019-03-28 00:00:00

abstract：:In the present work, current knowledge on the potential fate, microbial degradation, and toxicity of hexahydro- 1,3,5-trinitro-1,3,5-triazine (RDX) was thoroughly reviewed, focusing on the toxicological assessment of a variety of potential RDX degradation pathways in bacteria and fungi. The present review on microbial...

journal_title：Journal of microbiology and biotechnology

authors： Khan MI,Lee J,Park J

更新日期：2012-10-01 00:00:00

abstract：:Several species of Gram-positive bacteria have cell wall peptidoglycan (syn. murein) in which not all of the sugar moieties are N-acetylated. This has recently been shown to be a secondary effect, caused by the action of a peptidoglycan N-acetylglucosamine deacetylase. We have found that the opportunistic pathogen Lis...

journal_title：Journal of microbiology and biotechnology

authors： Popowska M,Kusio M,Szymanska P,Markiewicz Z

更新日期：2009-09-01 00:00:00

abstract：:The effect of a water-miscible ionic liquid, 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]), on the horseradish peroxidase (HRP)-catalyzed oxidation of 2-methoxyphenol (guaiacol) with hydrogen peroxide (H2O2) was investigated. HRP maintains its high activity in the aqueous mixtures containing various conc...

journal_title：Journal of microbiology and biotechnology

authors： Lee YM,Kwon OY,Yoo IK,Ryu KG

更新日期：2007-04-01 00:00:00

abstract：:A novel psychrotolerant Psychrobacillus strain PB01, isolated from an Antarctic iceberg, was comparatively analyzed with five related strains. The complete genome of strain PB01 consists of a single circular chromosome (4.3 Mb) and a plasmid (19 Kb). As potential low-temperature adaptation strategies, strain PB01 has ...

journal_title：Journal of microbiology and biotechnology

authors： Choi JY,Kim SC,Lee PC

更新日期：2020-02-28 00:00:00

abstract：:The present study shows that DR1114 (Hsp20), a small heat shock protein of the radiationresistant bacterium Deinococcus radiodurans, enhances tolerance to hydrogen peroxide (H2O2) stress when expressed in Escherichia coli. A protein profile comparison showed that E. coli cells overexpressing D. radiodurans Hsp20 (EC-p...

journal_title：Journal of microbiology and biotechnology

authors： Singh H,Appukuttan D,Lim S

更新日期：2014-08-01 00:00:00

abstract：:Sourdough is made by fermentation of dough by lactic acid bacteria (LAB) and yeast to improve bread properties like volume, flavor, and texture. A Korean traditional sourdough was made by fermenting rice flour with rice wine (makgeolli) and used to make sponge-like bread (jeung-pyun). The aim of this study was to inve...

journal_title：Journal of microbiology and biotechnology

authors： Park J,Seo JS,Kim SA,Shin SY,Park JH,Han NS

更新日期：2017-10-28 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：:The xynA gene encoding the xylanase A of Paenibacillus sp. DG-22 was isolated with a DNA probe obtained by PCR amplification, using degenerated primers deduced from the amino acid residues of the known N-terminal region of the purified enzyme and the conserved region in the family 11 xylanases. The positive clones wer...

journal_title：Journal of microbiology and biotechnology

authors： Lee TH,Lim PO,Lee YE

更新日期：2007-01-01 00:00:00

abstract：:The pharmacokinetics of decursin and decursinol angelate (D/DA) was investigated in male SD rats following oral and intravenous administration. D/DA and metabolites obtained from in vitro samples were evaluated by LC/MS. The level of D/DA and metabolized decursinol in the blood following oral and intravenous administr...

journal_title：Journal of microbiology and biotechnology

authors： Kim KM,Kim MJ,Kang JS

更新日期：2009-12-01 00:00:00

abstract：:Conessine, a steroidal alkaloid, is a potent histamine H3 antagonist with antimalarial activity. We recently reported that conessine treatment interferes with H₂O₂-induced cell death by regulating autophagy. However, the cellular signaling pathways involved in conessine treatment are not fully understood. Here, we rep...

journal_title：Journal of microbiology and biotechnology

authors： Kim H,Jang M,Park R,Jo D,Choi I,Choe J,Oh WK,Park J

更新日期：2018-04-28 00:00:00

abstract：:A series of thiobarbituric acid derivatives were constructed and evaluated for inhibitory activity on hepatitis C virus NS5B polymerase. In biochemical assays using purified viral polymerase and RNA template, the IC(50) value was improved to 0.41 microM from the original compound's 1.7 microM value. In HCV subgenomic ...

journal_title：Journal of microbiology and biotechnology

authors： Lee JH,Lee S,Park MY,Ha HJ,Myung H

更新日期：2010-03-01 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：:Tetanus is a specific infectious disease, which is often associated with catastrophic events such as earthquakes, traumas, and war wounds. The obligate anaerobe Clostridium tetani is the pathogen that causes tetanus. Once the infection of tetanus progresses to an advanced stage within the wounds of limbs, the rates of...

journal_title：Journal of microbiology and biotechnology

authors： Jiang D,Pu X,Wu J,Li M,Liu P

更新日期：2013-01-01 00:00:00

abstract：:A novel antifungal protein produced by the fungal strain Penicillium citrinum W1, which was isolated from a Southwest Indian Ocean sediment sample, was purified and characterized. The culture supernatant of P. citrinum W1 inhibited the mycelial growth of some plant pathogenic fungi. After saturation of P. citrinum W1 ...

journal_title：Journal of microbiology and biotechnology

authors： Wen C,Guo W,Chen X

更新日期：2014-10-01 00:00:00

abstract：:An agar-degrading bacterium, designated as strain G7(T), was isolated from a coastal seawater sample from Gaya Island (Gayado in Korean), Republic of Korea. The isolated strain G7(T) is gram-negative, rod shaped, aerobic, non-motile, and non-pigmented. A similarity search based on its 16S rRNA gene sequence revealed t...

journal_title：Journal of microbiology and biotechnology

authors： Chi WJ,Park JS,Kwak MJ,Kim JF,Chang YK,Hong SK

更新日期：2013-11-28 00:00:00

abstract：:In order to induce high levels of protein secretion, we have constructed a recombinant plasmid, designated pBP244, into which was incorporated key components of the type-II Sec-dependent secretion system, including LepB (signal peptidase), SecA (ATPase), and SecB (chaperone). The biological activities of the LepB, Sec...

journal_title：Journal of microbiology and biotechnology

authors： Kim SW,Kim YH,Yoo AY,Yu JE,Hur J,Lee JH,Cha J,Kang HY

更新日期：2007-08-01 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