Bacterial Outer Membrane Vesicles as a Delivery System for Virulence Regulation.

abstract：:Outbreaks of staphylococcal food poisoning (SFP) causing serious human diseases and economic losses have been reported globally. Furthermore, the spread of Staphylococcus aureus with increased resistance to multiple antimicrobial agents has become a major concern in the food industries and medicine. Here, we isolated ...

journal_title：Journal of microbiology and biotechnology

authors： Yu JH,Lim JA,Chang HJ,Park JH

更新日期：2019-12-28 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：:Open raceway ponds are cost-efficient for mass cultivation of microalgae compared with photobioreactors. Although low-cost options like wastewater as nutrient source is studied to overcome the commercialization threshold for biodiesel production from microalgae, a cost analysis on the use of wastewater and other incre...

journal_title：Journal of microbiology and biotechnology

authors： Kang Z,Kim BH,Ramanan R,Choi JE,Yang JW,Oh HM,Kim HS

更新日期：2015-01-01 00:00:00

abstract：:Drought stress is threatening the growth and productivity of many economical crops. Therefore, it is necessary to establish innovative and efficient approaches for improving crop growth and productivity. Here we investigated the potentials of the cell-free extract of Actinobacteria (Ac) isolated from a semi-arid habit...

journal_title：Journal of microbiology and biotechnology

authors： Warrad M,Hassan YM,Mohamed MSM,Hagagy N,Al-Maghrabi OA,Selim S,Saleh AM,AbdElgawad H

更新日期：2020-08-28 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 infection of pandemic influenza viruses such as swine flu (H1N1) and avian flu viruses to the host cells is related to the following two factors: First, the surface protein such as HA (hemagglutinin) and NA (neuraminidase) of the influenza virus. Second, the specific structure of the oligosaccharide [sialic acid(a...

journal_title：Journal of microbiology and biotechnology

authors： Yoo ES

更新日期：2011-05-01 00:00:00

abstract：:The antagonistic effect of Trichoderma harzianum on a range of seed-borne fungal pathogens of wheat (viz. Fusarium graminearum, Bipolaris sorokiniana, Aspergillus spp., and Penicillium spp.) was assessed. The potential of T. harzianum as a biocontrol agent was tested in vitro and under field conditions. Coculture of t...

journal_title：Journal of microbiology and biotechnology

authors： Hasan MM,Rahman SM,Kim GH,Abdallah E,Oh DH

更新日期：2012-05-01 00:00:00

abstract：:The gut microbiome influences the health and well-being of dogs. However, little is known about the impact of breed on the fecal microbiome composition in dogs. Therefore, we aimed to investigate the differences in the fecal microbiome in three breeds of dog fed and housed under the same conditions, namely eight Malte...

journal_title：Journal of microbiology and biotechnology

authors： Reddy KE,Kim HR,Jeong JY,So KM,Lee S,Ji SY,Kim M,Lee HJ,Lee S,Kim KH,Kim M

更新日期：2019-12-28 00:00:00

abstract：:In this paper, the kinetics of a cloned special glucosidase, named ginsenosidase type III hydrolyzing 3-O-glucoside of multi-protopanaxadiol (PPD)-type ginsenosides, were investigated. The gene (bgpA) encoding this enzyme was cloned from a Terrabacter ginsenosidimutans strain and then expressed in E. coli cells. Ginse...

journal_title：Journal of microbiology and biotechnology

authors： Jin XF,Yu HS,Wang DM,Liu TQ,Liu CY,An DS,Im WT,Kim SG,Jin FX

更新日期：2012-03-01 00:00:00

abstract：:Diarrhea is a global disease with a high morbidity and mortality rate in children. In this study, 25 fecal samples were collected from children under 5 years old. Seven samples had been taken from healthy children without diarrhea and marked as the healthy control group; eight samples had been sampled from children wi...

journal_title：Journal of microbiology and biotechnology

authors： Wen H,Yin X,Yuan Z,Wang X,Su S

更新日期：2018-04-28 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：:The past decades have been a golden era during which great tasks were accomplished in the field of microbiology, including food microbiology. In the past, culture-dependent methods have been the primary choice to investigate bacterial diversity. However, using cultureindependent high-throughput sequencing of 16S rRNA ...

journal_title：Journal of microbiology and biotechnology

authors： Kim BR,Shin J,Guevarra R,Lee JH,Kim DW,Seol KH,Lee JH,Kim HB,Isaacson R

更新日期：2017-12-28 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：: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：:Abelmoschus manihot (Linn.) is a medicinal herbal plant that is commonly used to treat chronic kidney disease and hepatitis. However, its effect on cell proliferation has not been clearly revealed. In this report, we sought to determine the effect of the flower extract of A. manihot (FA) on cell proliferation. Based o...

journal_title：Journal of microbiology and biotechnology

authors： Park YI,Cha YE,Jang M,Park R,Namkoong S,Kwak J,Jang IS,Park J

更新日期：2020-07-28 00:00:00

abstract：:The roles of conserved amino acid residues (Val329-Ala330- Asn331-Glu332), constituting an extra sugar-binding space (ESBS) of Thermus maltogenic amylase (ThMA), were investigated by combinatorial saturation mutagenesis. Various ThMA mutants were firstly screened on the basis of starch hydrolyzing activity and their e...

journal_title：Journal of microbiology and biotechnology

authors： Oh SW,Jang MU,Jeong CK,Kang HJ,Park JM,Kim TJ

更新日期：2008-08-01 00:00:00

abstract：:The task of improving a fungal strain is highly time-consuming due to the requirement of a large number of flasks in order to obtain a library with enough diversity. In addition, fermentations (particularly those for fungal cells) are typically performed in high-volume (100-250 ml) shake-flasks. In this study, for lar...

journal_title：Journal of microbiology and biotechnology

authors： Shin WS,Lee D,Kim S,Jeong YS,Chun GT

更新日期：2017-01-28 00:00:00

abstract：:Acetic acid is indirectly involved in cell center metabolism, and acetic acid metabolism is the core of central metabolism, affecting and regulating the production of bacteriocin. Bacteriocin is a natural food preservative that has been used in the meat and dairy industries and winemaking. In this paper, the effects o...

journal_title：Journal of microbiology and biotechnology

authors： Ge J,Kang J,Ping W

更新日期：2019-09-28 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：:Tuberculosis, which is caused by Mycobacterium tuberculosis (Mtb), is among the most pressing worldwide problems. Mtb uniquely interacts with innate immune cells through various pattern recognition receptors. These interactions initiate several inflammatory pathways that play essential roles in controlling Mtb pathoge...

journal_title：Journal of microbiology and biotechnology

authors： Kim JS,Kim YR,Yang CS

更新日期：2019-10-28 00:00:00

abstract：:Vibrio vulnificus is a causative agent of serious diseases in humans, resulting from the contact of wound with seawater or consumption of raw seafood. Several studies aimed at detecting V. vulnificus have targeted vvh as a representative virulence toxin gene belonging to the bacterium. In this study, we targeted the r...

journal_title：Journal of microbiology and biotechnology

authors： Kim DG,Ahn SH,Kim LH,Park KJ,Hong YK,Kong IS

更新日期：2008-11-01 00:00:00

abstract：:Organic solvent-tolerant (OST) enzymes are widely applied in various industries due to their activity and stability in organic solvents, higher substrate solubility, and increased stereo-selectivity. However, the criteria for identifying OST enzymes largely remain unresolved. In this study, we compared the amino acid ...

journal_title：Journal of microbiology and biotechnology

authors： Dachuri VK,Lee C,Jang SH

更新日期：2018-09-28 00:00:00

abstract：:Trichoderma reesei is the major filamentous fungus used to produce cellulase and there is huge interest in promoting its ability to produce higher titers of cellulase. Among the many factors affecting cellulase production in T. reesei, the mycelial phenotype is important but seldom studied. Herein, a close homolog of ...

journal_title：Journal of microbiology and biotechnology

authors： Gao F,Li M,Liu W,Bai Y,Tu T,Wang Y,Zhang J,Luo H,Yao B,Huang H,Su X

更新日期：2020-02-28 00:00:00

abstract：:Adipose tissue is an important endocrine organ involved in the control of whole body energy homeostasis and insulin sensitivity. Considering the increased incidence of obesity and obesity-related disorders, including diabetes, it is important to understand thoroughly the process of adipocyte differentiation and its co...

journal_title：Journal of microbiology and biotechnology

authors： Atiar Rahman M,Kumar SG,Lee SH,Hwang HS,Kim HA,Yun JW

更新日期：2008-12-01 00:00:00

abstract：:Thirty-seven carbofuran-degrading bacteria were isolated from agricultural soils, and their genetic and phenotypic characteristics were investigated. The isolates were able to utilize carbofuran as a sole source of carbon and energy. Analysis of the 16S rRNA gene sequence indicated that the isolates were related to me...

journal_title：Journal of microbiology and biotechnology

authors： Shin DH,Kim DU,Seong CN,Song HG,Ka JO

更新日期：2012-04-01 00:00:00

abstract：:Clitocybin A, an isoindolinone from Clitocybe aurantiaca, was investigated to assess its anti-wrinkle properties, through reactive oxygen species (ROS)-scavenging and elastase inhibitory activities, procollagen synthesis, and matrix metalloproteinase-1 (MMP-1) expression, in human primary dermal fibroblast-neonatal (H...

journal_title：Journal of microbiology and biotechnology

authors： Lee JE,Lee IS,Kim KC,Yoo ID,Yang HM

更新日期：2017-05-28 00:00:00

abstract：:Effects of various industrially important carbon sources (glucose, sucrose, xylose, gluconate, and glycerol) on shikimic acid (SA) biosynthesis in Escherichia coli were investigated to gain new insight into the metabolic capability for overproducing SA. At the outset, constraints-based flux analysis using the genome-s...

journal_title：Journal of microbiology and biotechnology

authors： Ahn JO,Lee HW,Saha R,Park MS,Jung JK,Lee DY

更新日期：2008-11-01 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：:Hepatitis B core antigen (HBcAg) is an important serological marker used in the diagnosis of hepatitis B virus (HBV) infections. In the current study, a fast and efficient preparative purification protocol for truncated HBcAg from Escherichia coli disruptate was developed. The recombinant HBcAg was first captured by a...

journal_title：Journal of microbiology and biotechnology

authors： Ho CW,Tan WS,Chong FC,Ling TC,Tey BT

更新日期：2009-04-01 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