Expression of HpaGXooc protein in Bacillus subtilis and its biological functions.

abstract：:Many studies have shown that the steamed root of Rehmannia glutinosa (SRG), which is widely used in the treatment of various neurodegenerative diseases in the context of Korean traditional medicine, is effective for improving cognitive and memory impairments. The purpose of this study was to examine whether SRG extrac...

journal_title：Journal of microbiology and biotechnology

authors： Lee B,Shim I,Lee H,Hahm DH

更新日期：2011-08-01 00:00:00

abstract：:Whitening effect, tyrosinase inhibitions, and cytotoxicity of neoagarotetraose were measured after purification from hydrolyzed agar by gel filtration chromatography. In melanoma B16F10 cells, melanin content of neoagarotetraose-treated cells was as same as that treated by kojic acid or arbutin. In addition, tyrosinas...

journal_title：Journal of microbiology and biotechnology

authors： Jang MK,Lee DG,Kim NY,Yu KH,Jang HJ,Lee SW,Jang HJ,Lee YJ,Lee SH

更新日期：2009-10-01 00:00:00

abstract：:In the continued search for inhibitors of enoyl-acyl carrier protein (ACP) reductase, we found that four acylbenzenediol sulfate metabolites from Streptomyces sp. AN1761 potently inhibited bacterial enoyl-ACP reductases of Staphylococcus aureus, Streptococcus pneumoniae, and Mycobacterium tuberculosis. Their structure...

journal_title：Journal of microbiology and biotechnology

authors： Kwon YJ,Sohn MJ,Oh T,Cho SN,Kim CJ,Kim WG

更新日期：2013-02-01 00:00:00

abstract：:An antioxidant peptide derived from Pinctada fucata meat using an Alcalase2.4L enzymatic hydrolysis method (named AOP) and identified by LC-TOF-MS has promising clinical potential for generating cosmetic products that protect skin from sunshine. To date, there have been few published studies investigating the structur...

journal_title：Journal of microbiology and biotechnology

authors： Wu Y,Ma Y,Li L,Yang X

更新日期：2018-01-28 00:00:00

abstract：:An extensive investigation was carried out to describe the kinetics of cell growth, substrate consumption, and product formation in the batch fermentation using starch as substrate. Evaluation of intrinsic kinetic parameters was carried out using a best-fit unstructured model. A nonlinear regression technique was appl...

journal_title：Journal of microbiology and biotechnology

authors： Bhunia B,Basak B,Bhattacharya P,Dey A

更新日期：2012-12-01 00:00:00

abstract：:The gene encoding α-L-arabinofuranosidase (AFase) from Paenibacillus sp. DG-22 was cloned, sequenced, and expressed in Escherichia coli. The AFase gene (abfA) comprises a 1,509 bp open reading frame encoding 502 amino acids with a molecular mass of 56,520 daltons. The deduced amino acid sequence of the gene shows that...

journal_title：Journal of microbiology and biotechnology

authors： Lee SH,Lee YE

更新日期：2014-02-28 00:00:00

abstract：:The purpose of this study was to investigate the relationship between the global regulatory mechanism known as quorum sensing and expression of virulence factors in Escherichia coli O157:H7. A non-polar luxS deletion was introduced into the chromosome of strain CI03J, a human clinical isolate from South Korea, to crea...

journal_title：Journal of microbiology and biotechnology

authors： Kim JC,Yoon JW,Kim JB,Oh KH,Park MS,Lee BK,Cho SH

更新日期：2010-02-01 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：:Quorum sensing and the stringent response are well-known regulation systems for the expression of virulence genes in enterohemorrhagic Escherichia coli (EHEC). However, how these two systems interact is not well known. E. coli strains with mutations in two regulation systems, ΔluxS (ECM101) and ΔluxSΔrelAΔspoT (ECM201...

journal_title：Journal of microbiology and biotechnology

authors： Oh KH,Cho SH

更新日期：2014-03-28 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 bioassay-guided fractionation of MeOH extract from Naematoloma fasciculare afforded a petroleum ether fraction (NFPF) and four known compounds, which showed good antitumor activities to inhibit MCF-7 cell line proliferation in vitro and tumor growth in H(22) implanted mice in vivo. In addition, a number of unsatur...

journal_title：Journal of microbiology and biotechnology

authors： Yan D,Bao HY,Bau T,Li Y,Kim YH

更新日期：2009-10-01 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：:The present study was aimed to investigate the effect of a probiotic, Enterococcus faecium, on the immune responses against infection with the marine fish pathogen Lactococcus garvieae in olive flounder (Paralichthys olivaceus). The immune responses were assessed by lysozyme activity, complement activity, protease act...

journal_title：Journal of microbiology and biotechnology

authors： Kim YR,Kim EY,Choi SY,Hossain MT,Oh R,Heo WS,Lee JM,Cho YC,Kong IS

更新日期：2012-04-01 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：:A Gram-negative, strictly aerobic, motile bacterial strain, designated Gsoil 124T, was isolated from a soil sample taken from a ginseng field in Pocheon Province (South Korea). The isolate contained Q-10 as the predominant lipoquinone, plus C18:1 7c and summed feature 4 (C16:1 6c and/or iso- C15:0 2-OH) as the major f...

journal_title：Journal of microbiology and biotechnology

authors： Lee HW,Ten IL,Jung HM,Liu QM,Im WT,Lee ST

更新日期：2008-06-01 00:00:00

abstract：:Phenol-soluble modulins (PSMs) are responsible for regulating biofilm formation, persister cell formation, pmtR expression, host cell lysis, and anti-bacterial effects. To determine the effect of psm deletion on methicillin-resistant Staphylococcus aureus, we investigated psm deletion mutants including Δpsmα, Δpsmβ, a...

journal_title：Journal of microbiology and biotechnology

authors： Song HS,Bhatia SK,Choi TR,Gurav R,Kim HJ,Lee SM,Park SL,Lee HS,Joo HS,Kim W,Seo SO,Yang YH

更新日期：2021-01-28 00:00:00

abstract：:Apoptosis is the process of programmed cell death executed by specific proteases, the caspases, which mediate the cleavage of various vital proteins. Elucidating the consequences of this endoproteolytic cleavage is crucial to understanding cell death and other related biological processes. Although a number of possibl...

journal_title：Journal of microbiology and biotechnology

authors： Jung JY,Lee SR,Kim S,Chi SW,Bae KH,Park BC,Kim JH,Park SG

更新日期：2014-05-01 00:00:00

abstract：:The diversity elucidation by amplified ribosomal DNA restriction analysis and 16S rDNA sequencing of 96 associative diazotrophs, isolated from the feeder roots of tea on enriched nitrogen-free semisolid media, revealed the predominance of Gram-positive over Gram-negative bacteria within the Kangra valley in Himachal P...

journal_title：Journal of microbiology and biotechnology

authors： Gulati A,Sood S,Rahi P,Thakur R,Chauhan S,Chawla I

更新日期：2011-06-01 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：:A bacterium, Pseudomonas aeruginosa BM114, capable of accumulating a blend of medium-chain-length (MCL)- and short-chain-length (SCL)-polyhydroxyalkanoic acid (PHA), was isolated. Salicylic acid (SA), without being metabolized, was found to specifically inhibit only the accumulation of MCL-PHA without affecting cell g...

journal_title：Journal of microbiology and biotechnology

authors： Rho JK,Choi MH,Shim JH,Lee SY,Woo MJ,Ko BS,Chi KW,Yoon SC

更新日期：2007-12-01 00:00:00

abstract：:The bioactivities of boxthron fruits, a source of oriental medicine, are well known, whereas phytochemical studies of the boxthorn stem are rare. In this study, the stem extract of boxthorn (Lycium chinense Miller) and its subfractions were evaluated for their effects on nitric oxide (NO) inhibition and procollagen ty...

journal_title：Journal of microbiology and biotechnology

authors： Gil CS,Chang MS,Eom SH

更新日期：2017-08-28 00:00:00

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：: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 production and characterization of an active recombinant N-acetylgalactosamine-6-sulfate sulfatase (GALNS) in Escherichia coli BL21(DE3) has been previously reported. In this study, the effect of the signal peptide (SP), inducer concentration, process scale, and operational mode (batch and semi-continuous) on GALN...

journal_title：Journal of microbiology and biotechnology

authors： Hernández A,Velásquez O,Leonardi F,Soto C,Rodríguez A,Lizaraso L,Mosquera Á,Bohórquez J,Coronado A,Espejo Á,Sierra R,Sánchez OF,Alméciga-Díaz CJ,Barrera LA

更新日期：2013-05-01 00:00:00

abstract：:Many bacteria metabolize aromatic compounds via catechol as a catabolic intermediate, and possess multiple genes or clusters encoding catechol-cleavage enzymes. The presence of multiple isozyme-encoding genes is a widespread phenomenon that seems to give the carrying strains a selective advantage in the natural enviro...

journal_title：Journal of microbiology and biotechnology

authors： Shi S,Yang L,Yang C,Li S,Zhao H,Ren L,Wang X,Lu F,Li Y,Zhao H

更新日期：2020-12-11 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：:Pseudomonas putida JM 37 metabolized glyoxylate at a specific rate of 55 g/g dry biomass/day. In order to investigate their role, three genes encoding enzymes that potentially convert glyoxylate were disrupted, namely tartronate semialdehyde synthase (gcl), malate synthase (glcB) and isocitrate lyase (aceA). Strains w...

journal_title：Journal of microbiology and biotechnology

authors： Li XZ,Klebensberger J,Rosche B

更新日期：2010-06-01 00:00:00

abstract：:In the bacterial community, unicellular organisms act together as a multicellular being. Bacteria interact within the community and programmed cell death (PCD) in prokaryotes is a sort of altruistic action that enables the whole population to thrive. Genetically, encoded cell death pathways are triggered by DNA damage...

journal_title：Journal of microbiology and biotechnology

authors： Lee H,Lee DG

更新日期：2019-07-28 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：:A beta-agarase gene, agaB34, was functionally cloned from the genomic DNA of a marine bacterium, Agarivorans albus YKW-34. The open reading frame of agaB34 consisted of 1,362 bp encoding 453 amino acids. The deduced amino acid sequence, consisting of a typical N-terminal signal peptide followed by a catalytic domain o...

journal_title：Journal of microbiology and biotechnology

authors： Fu XT,Pan CH,Lin H,Kim SM

更新日期：2009-03-01 00:00:00