Hydoroxyhibiscone A, a novel human neutrophil elastase inhibitor from Hibiscus syriacus.

abstract：:TolC is an outer membrane porin protein and an essential component of drug efflux and type-I secretion systems in Gram-negative bacteria. TolC comprises a periplasmic alpha- helical barrel domain and a membrane-embedded beta-barrel domain. TdeA, a functional and structural homolog of TolC, is required for toxin and dr...

journal_title：Journal of microbiology and biotechnology

authors： Kim S,Yum S,Jo WS,Lee BL,Jeong MH,Ha NC

更新日期：2008-05-01 00:00:00

abstract：:MicroRNAs (miRNAs) are abundant in bovine milk and milk derived from other livestock, and they have functional roles in infants and in the secretion process of mammary glands. However, few studies have evaluated miRNAs in dairy processes, such as during cheese making and ripening. Thus, we investigated the characteris...

journal_title：Journal of microbiology and biotechnology

authors： Oh S,Park MR,Ryu S,Maburutse B,Kim JU,Kim Y

更新日期：2017-09-28 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：:Glucagon, a peptide hormone produced by alpha-cells of Langerhans islets, is a physiological antagonist of insulin and stimulator of its secretion. In order to improve its bioactivity, we modified its structure at the C-terminus by amidation catalyzed by a recombinant amidase in bacterial cells. The human gene coding ...

journal_title：Journal of microbiology and biotechnology

authors： Qi X,Jiang R,Yao C,Zhang R,Li Y

更新日期：2008-06-01 00:00:00

abstract：:In this study, a method of heat adaptation was implemented in an attempt to increase the upper thermal threshold of two Streptococcus thermophilus found in South Korea and identified the alterations in membrane fatty acid composition to adaptive response to heat. In order to develop heat tolerant lactic acid bacteria,...

journal_title：Journal of microbiology and biotechnology

authors： Min B,Kim K,Li V,Cho S,Kim H

更新日期：2020-05-28 00:00:00

abstract：:Streptococcus pneumoniae is a major cause of invasive infection in young infants and older adults. There are currently 90 capsular serotypes identified and 23 serotypes (1, 2, 3, 4, 5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19F, 19A, 20, 22F, 23F, and 33F) are responsible for about 90% of invasive diseas...

journal_title：Journal of microbiology and biotechnology

authors： Jung SJ,Seo ES,Yun SI,Minh BN,Jin SD,Ryu HJ,Kim D

更新日期：2011-07-01 00:00:00

abstract：:Streptococcus suis serotype 2 (SS2), considered to be the most frequent and virulent type among identified serotypes, is an important emerging or re-emerging zoonotic pathogen. Inflammation is thought to be a hallmark of SS2 infection, as demonstrated by most clinical symptoms varying from an asymptomatic bacteremia t...

journal_title：Journal of microbiology and biotechnology

authors： Shen X,Li G,Deng X,Wang J,Zhang P

更新日期：2019-04-22 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：:A Pseudomonas fluorescens strain was isolated and showed antagonistic activity against phytopathogenic fungi and found to possess a gene responsible for production of antibiotic 2, 4-diacetylphloroglucinol. For the extension of biocontrol range, a gene for an Androctonus australis Hector insect toxin 1 (AaHIT1), one o...

journal_title：Journal of microbiology and biotechnology

authors： Lu W,Zhang W,Bai Y,Fu Y,Chen J,Geng X,Wang Y,Xiao M

更新日期：2010-02-01 00:00:00

abstract：:Extremophilic microorganisms have established a diversity of molecular strategies in order to survive in extreme conditions. Biocatalysts isolated by these organisms are termed extremozymes, and possess extraordinary properties of salt allowance, thermostability, and cold adaptivity. Extremozymes are very resistant to...

journal_title：Journal of microbiology and biotechnology

authors： Dumorné K,Córdova DC,Astorga-Eló M,Renganathan P

更新日期：2017-04-28 00:00:00

abstract：:Fungal cell walls and cell membranes are the main targets of antifungals. In this study, we report on the antifungal activity of an ethanol extract from Paeonia lactiflora against Candida albicans, showing that the antifungal activity is associated with the synergistic actions of preventing cell wall synthesis, enabli...

journal_title：Journal of microbiology and biotechnology

authors： Lee HS,Kim Y

更新日期：2017-02-28 00:00:00

abstract：:Proteomic analysis led to identification of the proteins of Vibrio vulnificus that were induced upon exposure to INT-407 cells, and 7 of which belong to the functional categories such as amino acid transport/metabolism, nucleotide transport/metabolism, posttranslational modification/protein turnover/chaperones, and tr...

journal_title：Journal of microbiology and biotechnology

authors： Oh MH,Jeong HG,Choi SH

更新日期：2008-05-01 00:00:00

abstract：:Ahead of Print article withdrawn by publisher. ...

journal_title：Journal of microbiology and biotechnology

authors： Farajzadah Sheikh A,Aslani S,Hosseini SA,Amin M,Goodarzi H,Jomehzadeh N,Ranjbar R,Moradzadeh M,Azarpira S,Moradi M,Hashemzadeh M

更新日期：2018-05-08 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：:Screening of a gene library from Paenibacillus sp. PBS-2 generated in Escherichia coli led to the identification of a clone with lipolytic activity. Sequence analysis showed an open reading frame encoding a polypeptide of 378 amino acid residues with a predicted molecular mass of 42 kDa. The esterase displayed 69% and...

journal_title：Journal of microbiology and biotechnology

authors： Kim YO,Park IS,Nam BH,Kim DG,Jee YJ,Lee SJ,An CM

更新日期：2014-09-01 00:00:00

abstract：:This study was conducted to evaluate the hyaluronidase (HAase) inhibition activity of Asparagus cochinchinesis (AC) extracts following fermentation by Weissella cibaria through response surface methodology. To optimize the HAase inhibition activity, a central composite design was introduced based on four variables: th...

journal_title：Journal of microbiology and biotechnology

authors： Kim M,Kim WB,Koo KY,Kim BR,Kim D,Lee S,Son HJ,Hwang DY,Kim DS,Lee CY,Lee H

更新日期：2017-04-28 00:00:00

abstract：:Antibacterial activity of essential oils (Tea tree, Chamomile, Eucalyptus) on Staphylococcus aureus growth was evaluated as well as the essential oil-loaded alginate beads. The binding interactions between the cell and the essential oils were measured using an optical biosensor. The antibacterial activity of the essen...

journal_title：Journal of microbiology and biotechnology

authors： Chung KH,Yang KS,Kim J,Kim JC,Lee KY

更新日期：2007-11-01 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：:Small heat shock proteins (sHSPs) function as molecular chaperones that protect cells against environmental stresses. In the present study, the genes of hsp17.6 and hsp17.7, cytosolic class I sHSPs, were cloned from a tropical plant, Ageratina adenophorum. Their C-terminal domains were highly conserved with those of s...

journal_title：Journal of microbiology and biotechnology

authors： Gong W,Yue M,Xie B,Wan F,Guo J

更新日期：2009-12-01 00:00:00

abstract：:Energy-efficient metabolic responses were often noted in high-productive cultures. To better understand these metabolic responses, an investigation into the relationship between metabolic responses and energy regulation was conducted via a comparative analysis among cultures with different energy source supplies. Both...

journal_title：Journal of microbiology and biotechnology

authors： Sun YT,Zhao L,Ye ZY,Fan L,Liu XP,Tan WS

更新日期：2013-11-28 00:00:00

abstract：:Rhodococcus sp. strain p52, a previously isolated dibenzofuran degrader, could effectively inhibit the growth of cyanobacteria, including species of Microcystis, Anabaena, and Nodularia. When strain p52 was inoculated at the concentration of 7.7×10(7) CFU/ml, 93.5% of exponentially growing Microcystis aeruginosa (7.3×...

journal_title：Journal of microbiology and biotechnology

authors： Wang MH,Peng P,Liu YM,Jia RB,Li L

更新日期：2013-02-01 00:00:00

abstract：:A Gram-positive and endospore-forming strain, JH8T, was isolated from deep-sea sediment and identified as a member of the genus Paenibacillus on the basis of 16S rRNA gene sequence and phenotypic analyses. According to a phylogenetic analysis, the most closely related species was Paenibacillus wynnii LMG 22176T (96.9%...

journal_title：Journal of microbiology and biotechnology

authors： Choi JH,Im WT,Yoo JS,Lee SM,Moon DS,Kim HJ,Rhee SK,Roh DH

更新日期：2008-02-01 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：:Silkworm hemolymph (SH), prepared from fifth-instar larvae of Bombyx mori and heat-treated at 60 degrees C for 30 min, was used to improve cell viability and the production of human cytotoxic T-lymphocyte antigen 4-immunoglobulin (hCTLA4Ig) in transgenic Oryza sativa L. cell suspension cultures. Even though SH could n...

journal_title：Journal of microbiology and biotechnology

authors： Cheon SH,Lee KH,Kwon JY,Ryu HN,Yu DH,Choi YS,Kim DI

更新日期：2007-12-01 00:00:00

abstract：:With emphasis on thermal behavior in presence of different pH conditions and salts, the kinetic and thermodynamic parameters of purified polygalacturonase (PG) of E. carotovora subsp. carotovora (Ecc) BR1 were studied since characterization of an enzyme is significant in the context of burgeoning biotechnological appl...

journal_title：Journal of microbiology and biotechnology

authors： Maisuria VB,Patel VA,Nerurkar AS

更新日期：2010-07-01 00:00:00

abstract：:A bacterial strain, labeled UR11T, was isolated from green alga Ulva pertusa collected from Jeju Island, Korea. UR11T was identified as a gram-negative, rod-shaped, motile by gliding and aerobic bacterial strain with yellow colonies on R2A plates. The strain UR11T grew over at a temperature range of 10°C to 30°C (opti...

journal_title：Journal of microbiology and biotechnology

authors： Choi H,Park S,Heo M

更新日期：2019-08-28 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：:Cycloisomaltooligosaccharide glucanotransferase (CITase) was isolated from alkaliphilic Paenibacillus daejeonensis via an amino acid homology search for the reported CITase. The recombinant alkaliphilic CITase (PDCITase) from P. daejeonensis was expressed in an Escherichia coli expression system and purified as a sing...

journal_title：Journal of microbiology and biotechnology

authors： Yang SJ,Ko JA,Kim HS,Jo MH,Lee HN,Park BR,Kim Y

更新日期：2018-12-28 00:00:00

abstract：:Beta-1,3-glucans enhance immune reactions such as antitumor, antibacterial, antiviral, anticoagulatory, and wound healing activities. beta-1,3-Glucans have various functions depending on the molecular weight, degree of branching, conformation, water solubility, and intermolecular association. The molecular weight of t...

journal_title：Journal of microbiology and biotechnology

authors： Shim JH,Sung KJ,Cho MC,Choi WA,Yang Y,Lim JS,Yoon DY

更新日期：2007-09-01 00:00:00

abstract：:The amylosucrase encoding gene from Deinococcus geothermalis DSM 11300 (DgAS) was codon-optimized and expressed in Escherichia coli. The enzyme was employed for biosynthesis of three different dihydroxybenzene glucosides using sucrose as the source of glucose moiety. The reaction parameters, including temperature, pH,...

journal_title：Journal of microbiology and biotechnology

authors： Lee HS,Kim TS,Parajuli P,Pandey RP,Sohng JK

更新日期：2018-09-28 00:00:00