Analysis of the interaction of group A streptococci with fibrinogen, streptokinase and plasminogen.

abstract：:T lymphocyte-mediated immunity is important for resistance to Francisella tularensis. To characterize the specificity of this immunity, we used membrane proteins and two lipopolysaccharide (LPS) preparations. Both membrane proteins were heat-modifiable, as indicated by their migration in sodium dodecyl sulphate polyac...

journal_title：Microbial pathogenesis

authors： Surcel HM,Sarvas M,Helander IM,Herva E

更新日期：1989-12-01 00:00:00

abstract：:HrpA was found as a ribosome-associated protein which appeared in heat-stressed Mycobacterium bovis Bacillus Calmette-Guérin. Here, we have studied the function of HrpA in vitro. HrpA is a heat shock protein belonging to a small heat shock protein family. The putative molecular mass was 17784.86 kDa. Recombinant HrpA ...

journal_title：Microbial pathogenesis

authors： Tabira Y,Ohara N,Yamada T

更新日期：2000-10-01 00:00:00

abstract：BACKGROUND:Host factors such as hormones are known to modulate growth, virulence and antibiotic susceptibility of bacteria. In the present study, the effect of norepinephrine (NE) and estradiol (Est) on growth and expression levels of virulence genes (usp, sfa/foc, cnf1, aer) of uropathogenic E. coli (UPEC) strains C7 ...

journal_title：Microbial pathogenesis

authors： Gümüş D,Kalaycı Yüksek F,Sefer Ö,Yörük E,Uz G,Anğ Küçüker M

更新日期：2019-07-01 00:00:00

abstract：:Binding of human enterotoxigenic Escherichia coli (ETEC) to the small intestine is a prerequisite for colonization and is mediated by colonization factor (CF) antigens. Coli surface antigen 6 (CS6) is considered a CF but binding to isolated enterocytes has not been established. In this study bacteria expressing CS6 we...

journal_title：Microbial pathogenesis

authors： Helander A,Hansson GC,Svennerholm AM

更新日期：1997-12-01 00:00:00

abstract：:Uropathogenic Escherichia coli (UPEC) comprise a heterogeneous group of strains. In a previous epidemiological survey performed on 230 UPEC isolates, five virulence profiles were described, each one defined by the presence of some virulence determinants and by the absence of others. Phylogenetic groups and antibiotic ...

journal_title：Microbial pathogenesis

authors： Poey ME,Laviña M

更新日期：2014-12-01 00:00:00

abstract：OBJECTIVES:This study focused on the comparative genomic analyses of two qnrVC6 carrying Pseudomonas spp. strains which might give us insights on the similarity and difference in the genomic contexts of qnrVC6 gene. METHODS:Comparative genomic analyses of the novel qnrVC6 carrying Pseudomonas spp. genomes with emphasi...

journal_title：Microbial pathogenesis

authors： Liu J,Yang L,Li L,Li B,Chen D,Xu Z

更新日期：2018-10-01 00:00:00

abstract：:Cervical cancer is a growing and serious problem world-wide in women, but more acute in developing countries especially in Indian subcontinent. The main causative agent for the disease is Human Papilloma Virus (HPV). The history of the cervical cancer goes back to eighteenth century as the HPV infection is reported si...

journal_title：Microbial pathogenesis

authors： Shah UJ,Nasiruddin M,Dar SA,Khan MKA,Akhter MR,Singh N,Rabaan AA,Haque S

更新日期：2020-06-01 00:00:00

abstract：:Bacterial extracellular vesicles (EVs) have come forth into notice as possible important agent to mediate host-pathogen interactions. In this scientific research, the authors have tried to find out the effect of EVs derived from Lactobacillus rhamnosus GG (LDEVs) on the apoptosis induction in HepG2 cell line. The EVs ...

journal_title：Microbial pathogenesis

authors： Behzadi E,Mahmoodzadeh Hosseini H,Imani Fooladi AA

更新日期：2017-09-01 00:00:00

abstract：:Pertussis toxin (PT) is an important virulence determinant of Bordetella pertussis and one of the major protective antigens against whooping cough. The genes coding for PT have recently been cloned, but attempts to express them in Escherichia coli have been unsuccessful. We therefore explored the possibility of expres...

journal_title：Microbial pathogenesis

authors： Runeberg-Nyman K,Engström O,Löfdahl S,Ylöstalo S,Sarvas M

更新日期：1987-12-01 00:00:00

abstract：:Multidrug-resistant (MDR) pathogens are currently causing serious problems globally in the medical setting. Improper and extensive usage of antibiotics results in a selective pressure supporting the rise of antibiotic-resistant microbes. Many key cellular bacterial components, including enzymes and small noncoding RNA...

journal_title：Microbial pathogenesis

authors： Shin J,Prabhakaran VS,Kim KS

更新日期：2018-03-01 00:00:00

abstract：:We have developed a system whereby heterologous DNA encoding an antigen from an enteropathogen may be recombined into the chromosome of an attenuated Salmonella carrier strain. The system involves two steps: (i) integration of a hisOG deletion mutation into the chromosome; (ii) replacement of the hisOG deletion by the...

journal_title：Microbial pathogenesis

authors： Hone D,Attridge S,van den Bosch L,Hackett J

更新日期：1988-12-01 00:00:00

abstract：:Heat-stable enterotoxins (ST) activate guanylyl cyclase in T84 cells, rapidly and specifically. Activation is monitored by cGMP production and occurs at lower concentrations of ST than required for eliciting fluid accumulation in suckling mice. Atrial natriuretic factor (ANF) neither activates guanylyl cyclase nor mod...

journal_title：Microbial pathogenesis

authors： Visweswariah SS,Shanthi G,Balganesh TS

更新日期：1992-03-01 00:00:00

abstract：:Escherichia coli heat-stable enterotoxin b (STb) causes severe diarrhoea in weaning piglets. STb most probably has to bind to intestinal epithelial cells in order to achieve its effect. Using biotinylated biologically active STb, we developed a semi-quantitative binding assay using indirect fluorescence microscopy. We...

journal_title：Microbial pathogenesis

authors： Rousset E,Harel J,Dubreuil JD

更新日期：1998-05-01 00:00:00

abstract：:Opa-expressing variants of Neisseria gonorrhoeae strain F62-SF and an Opa- variant, all non-piliated, were examined for differences in the interaction of the bacteria within colonies and in attachment to and damage of human fallopian tube mucosa. Expression of certain Opas was associated with the formation of transpar...

journal_title：Microbial pathogenesis

authors： Dekker NP,Lammel CJ,Mandrell RE,Brooks GF

更新日期：1990-07-01 00:00:00

abstract：:Hap, an auto-transporter protein, is an antigenically conserved adhesion protein which is present on both typeable and nontypeable Haemophilus influenzae. This protein has central role in bacterial attachment to respiratory tract epithelial cells. A 1000bp C-terminal fragment of Hap passenger domain (HapS) from nontyp...

journal_title：Microbial pathogenesis

authors： Tabatabaee Bafroee AS,Siadat SD,Mousavi SF,Aghasadeghi MR,Khorsand H,Nejati M,Sadat SM,Mahdavi M

更新日期：2016-09-01 00:00:00

abstract：:An inbred strain of the southern platyfish, Xiphophorus maculatus, was used as a host for Aeromonas hydrophila and Yersinia ruckeri infections. The infections were initiated by holding the platyfish in inoculation baths containing dilutions of virulent A. hydrophila or Y. ruckeri strains. Inoculating the platyfish in ...

journal_title：Microbial pathogenesis

authors： Kawula TH,Lelivelt MJ,Orndorff PE

更新日期：1996-02-01 00:00:00

abstract：:Visfatin plays an important role in regulation of inflammatory cytokines. However, the role of visfatin under bacterial stress condition is not fully explored yet. Therefore, the present study was conducted for the better understanding of the regulation mechanism of visfatin on the production of inflammatory cytokines...

journal_title：Microbial pathogenesis

authors： Wu XT,Yang Z,Ansari AR,Xiao K,Pang XX,Luo Y,Song H

更新日期：2018-04-01 00:00:00

abstract：OBJECTIVE:Pseudomonas aeruginosa, an opportunistic pathogen, can cause serious health problems and produces several virulence factors. The most important of these factors is biofilm. Many studies suggest administration of new generation of antibiotics, as P. aeruginosa biofilm has developed high resistance to antimicro...

journal_title：Microbial pathogenesis

authors： Dolatabadi S,Moghadam HN,Mahdavi-Ourtakand M

更新日期：2018-05-01 00:00:00

abstract：:Disease outbreaks related to waterborne pathogen contamination throughout the world as well as challenges that lie ahead for addressing persistent infection are of renewed interest. In this research, we studied the effects of prolonged exposure of Salmonella enterica serovar Typhimurium to the cues encountered in the ...

journal_title：Microbial pathogenesis

authors： Chakroun I,Mahdhi A,Morcillo P,Cordero H,Cuesta A,Bakhrouf A,Mahdouani K,Esteban MÁ

更新日期：2018-01-01 00:00:00

abstract：:Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) are two major omega-3 polyunsaturated fatty acids (n-3 PUFAs) with antimicrobial properties. In this study, we evaluated the potential antibacterial and antibiofilm activities of DHA and EPA against two periodontal pathogens, Porphyromonas gingivalis (P. gingi...

journal_title：Microbial pathogenesis

authors： Sun M,Zhou Z,Dong J,Zhang J,Xia Y,Shu R

更新日期：2016-10-01 00:00:00

abstract：:It has been shown that N-linked high mannose type oligosaccharides competitively inhibits attachment to and infectivity of chlamydiae in HeLa cells. To further study whether mannose moieties are involved in the infectivity of chlamydiae, the susceptibility of mannose-receptor negative J774A and positive J774E mouse ma...

journal_title：Microbial pathogenesis

authors： Kuo CC,Puolakkainen M,Lin TM,Witte M,Campbell LA

更新日期：2002-01-01 00:00:00

abstract：:This study was undertaken to determine the genotypic distribution of Chinese M. bovis strains and their similarity to isolates from other countries. Two multilocus sequence typing (MLST) schemes (MLST-1 and MLST-2) and pulsed field gel electrophoresis (PFGE) were used to compare 44 Chinese strains and the M. bovis typ...

journal_title：Microbial pathogenesis

authors： Menghwar H,He C,Zhang H,Zhao G,Zhu X,Khan FA,Faisal M,Rasheed MA,Zubair M,Memon AM,Ridley A,Robertson ID,Chen Y,Guo A

更新日期：2017-10-01 00:00:00

abstract：:Pathogenic Salmonella strains have a set of virulence factors allowing them to generate systemic infections and damage in a variety of hosts. Among these factors, bacterial proteins secreted by specialized systems are used to penetrate the host's intestinal mucosa, through the invasion and destruction of specialized e...

journal_title：Microbial pathogenesis

authors： Varas M,Ortíz-Severín J,Marcoleta AE,Díaz-Pascual F,Allende ML,Santiviago CA,Chávez FP

更新日期：2017-06-01 00:00:00

abstract：:A variant of Vero toxin 2 (VT2), or Shiga-like toxin II (SLT-II) was purified from a cloned strain of Escherichia coli carrying a gene that encodes SLT-IIva, which is most closely related to SLT-IIv (VT2vp, VTe) in its nucleotide sequence. The purified SLT-IIva showed a slight difference from the purified SLT-IIv (VT2...

journal_title：Microbial pathogenesis

authors： Ohmura M,Cao C,Karasawa T,Okuda J,Kurazono H,Gannon VP,Gyles CL,Takeda Y

更新日期：1993-11-01 00:00:00

abstract：:Pasteurella multocida capsular type A can cause a pulmonary infection, leading to serious pecuniary losses in cattle. The heterogeneity of infection outcome of P. multocida strains showing different virulence may be related to divergent expression of virulence genes. In this study, we compared the transcriptional resp...

journal_title：Microbial pathogenesis

authors： Cheng Y,Wang K,Lin L,Zhao X,Pan Z,Zhou Z

更新日期：2020-03-01 00:00:00

abstract：:In order to characterize the toxicity of the hemorrhagic toxin of Clostridium sporogenes isolated from the rabbit with antibiotic-associated hemorrhagic diarrhoea, we studied the toxin productivity of C. sporogenes cultured in various media and the toxic effect of the partially purified preparation of the culture supe...

journal_title：Microbial pathogenesis

authors： Hara-Kudo Y,Ogura A,Noguchi Y,Terao K,Kumagai S

更新日期：1997-01-01 00:00:00

abstract：:Synthesis of highly efficient antibacterial agents has become highly important due to emergence of antibiotic resistance. Herein, Pristine ZnO and ZnO-CuO nanocomposite has been synthesized by simple chemical co-precipitation method and characterized by X-ray diffraction (XRD), microscopic and spectroscopic techniques...

journal_title：Microbial pathogenesis

authors： Jan T,Azmat S,Mansoor Q,Waqas HM,Adil M,Ilyas SZ,Ahmad I,Ismail M

更新日期：2019-09-01 00:00:00

abstract：:Rcs phosphorelay system is a two-component signal transduction system, which can regulate the transcription of capsule polysaccharide and biofilm related genes in Enterobacteriaceae. In this study, microarray technology was used to investigate the overall genes regulated by RcsA, RcsB, and RcsAB and the regulation mec...

journal_title：Microbial pathogenesis

authors： Su K,Zhou X,Luo M,Xu X,Liu P,Li X,Xue J,Chen S,Xu W,Li Y,Qiu J

更新日期：2018-10-01 00:00:00

abstract：:This study was design to evaluate the physiological properties of bacteriophage-insensitive Klebsiella pneumoniae (BIKP) mutants in association with the antibiotic cross-resistance, β-lactamase activity, and gene expression. Klebsiella pneumoniae ATCC 23357(KPWT), ciprofloxacin-induced antibiotic-resistant K. pneumoni...

journal_title：Microbial pathogenesis

authors： Uddin MJ,Kim B,Dawan J,Ding T,Kim JC,Ahn J

更新日期：2019-10-01 00:00:00

abstract：:Hemoparasitic diseases like trypanosomiasis have an adverse influence on the health and working capability of infected animals. Monitoring and identification of blood born parasitic infections in dairy animals are of vital importance to get the optimum production. In this study blood samples were collected from Nili R...

journal_title：Microbial pathogenesis

authors： Hussain R,Khan A,Jahanzaib,Qayyum A,Abbas T,Ahmad M,Mohiuddin M,Mehmood K

更新日期：2018-10-01 00:00:00