Toxin Gene
Can a toxin gene NAAT be used to predict toxin EIA and the severity of Clostridium difficile infection?
... a toxin EIA [4, ...faecal toxin positive and toxin negative patients being likely sources of trans- mission, that is, having ...faecal toxin negative patients were similarly infectious to ...
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Ultrasensitive Detection of Clostridium difficile Toxins Reveals Suboptimal Accuracy of Toxin Gene Cycle Thresholds for Toxin Predictions
... T he diagnosis and management of patients presenting with suspected Clostridium (Clostridioides) difficile infection (CDI) can be complex. Diagnosis is based upon clinical presentation combined with a choice of stool ...
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Development of a direct PCR assay for detection of the diphtheria toxin gene
... Effects of processing methods, collection, transport, and storage conditions on the sensitivity of direct PCR. Initially, the sensitivity of direct PCR was tested by using nine protocols to extract and purify DNA ...
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Bacteriophage-encoded shiga toxin gene in atypical bacterial host
... horizontal gene transfer ...the gene for diphtheria toxin and was responsible for the virulence traits of ...shiga toxin (stx) gene of Escherichia coli O157:H7 species, the cho- lera ...
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Bacteriophage-Mediated Toxin Gene Regulation in Clostridium difficile
... in toxin gene regu- lation using a reporter fusion in ...tural gene under its own promoter. Since the repR gene is under the control of IPTG-inducible T7 promoter, we mea- sured  ...
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Phylogenetic determinants of toxin gene distribution in genomes of Brevibacillus laterosporus
... botulism gene cluster-encoding genes (boNT) ...p47 gene, some of which have po- tential lipid binding roles (orfX1, orfX2, p47) ...insecticidal toxin encoding genes with ADP-ribosyl transferase ...
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Dynamics of Cylindrospermopsin Production and Toxin Gene Expression in Aphanizomenon ovalisporum
... Based on the genome of A. ovalisporum [11] PCR primers were designed to amplify three aoa genes. The se- quence of cyrJ primers was designed from that of Aphanizomenon10E6 [8]. The ntcA primers were devised from Nostoc ...
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... including toxin gene profiles and emm types [, ...emm gene, is particularly impor- tant both as a virulence factor and as the most important candidate for vaccine studies ...emm gene which is ...
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Molecular and Susceptibility Analysis of Toxigenic Clostridium difficile Obtained from Adult Patients Suspected of CDI in Trinidad
... Phylogenetic analysis was used to analyze all the strains isolated; this was done to show whether or not they all belong to the same species/group of Clostridium difficile. Performing a clustal W alignment of the ...
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Stable expression plasmids for Streptomyces based on a toxin-antitoxin system
... (anti- toxin) under the control of the strong Streptomyces xysAp promoter ...(toxin) gene was integrated into the genome of this strain with the pKC796-Tox plasmid [23] to yield ...
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PCR-MEDIATED CLONING A ND EXPRESSION OF THE GENE FOR THE B-SUBUNIT OF VIBRIO CHOLERAE TOXIN ISOLATED RECENTLY IN IRAN
... Knowing the nucleotide sequence of the cholera toxin gene CtxAb, 36,31 we designed a pair of oligonucleotide primers that annealed to opposite ends'of the CT -coding region. The 5'-terminal ( forward) ...
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Pathogenomic analysis of the common bovine Staphylococcus aureus clone (ET3): emergence of a virulent subtype with potential risk to public health
... A common clone (ET3) of Staphylococcus aureus is responsible for a large proportion of cases of bovine mastitis and occasionally causes zoonotic infections of humans. In the present study, we report the identification of ...
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Mechanism of Gene Regulation by a Staphylococcus aureus Toxin
... compared gene expression in the ⌬ psm␣hld complete PSM deletion mutant with that in the corresponding wild-type strain by microarray analysis (see Table S1 in the supplemental ...detect gene regulatory ...
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Severity of Nonbullous Staphylococcus aureus Impetigo in Children Is Associated with Strains Harboring Genetic Markers for Exfoliative Toxin B, Panton Valentine Leukocidin, and the Multidrug Resistance Plasmid pSK41
... identified gene (BIN 2, 5, 8, and 15), the Panton-Valentine leukocidin gene (BIN 1), a repetitive motif (BIN 3), a pSK41-like multiresistance-encoding plas- mid (BIN 4), the SLT bacteriophage (BIN 6), the ...
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Toxin Profiling of Staphylococcus aureus Strains Involved in Varicella Superinfection
... The most prevalent toxin gene was tst (28%). As expected, given the well-known superantigenic activity of TSST-1, there were six cases of scarlet fever and two cases of toxic shock syndrome (30, 34). More ...
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Development of an antibiotic marker-free platform for heterologous protein production in Streptomyces
... the toxin (yoeBsl) gene, responsible for host death, is integrated into the genome and the antitoxin gene (yefMsl), which inactivates the toxin, is located in the expression ...the ...
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The Impact of Organic Acids and pH on the Virulence Factor Expression of E. coli O157:H7.
... E. coli O157:H7 strain ATCC 43895 was purchased from the American Type Culture Collection (Manassas, Va). This strain contained the stx1, stx2, hlyA and eaeA genes and was used as the parent strain for creation of all ...
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A CRITICAL REVIEW OF THE UNKNOWN FACTS OF BOTOX COSMETIC TOXICITY AND ITS SAFER AYURVEDIC ANTI-AGING ALTERNATIVES .......
... botulinum toxin/kg used in children and oth- er medical indications, which do not apply to cosmetic ...botulinum toxin among these cases was treatment of limb muscle spastici- ty associated with cerebral ...
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Effect of the Black Snake Toxin on the Gastrocnemius Sciatic Preparation
... Site of action of the toxin 1 Effect of toxin on the nerve The nerve of the gastrocnemius-sciatic preparation was immersed in toxin solution and the muscle in Ringer's solution.. The soa[r] ...
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Prevalence and Characterization of a Binary Toxin (Actin Specific ADP Ribosyltransferase) from Clostridium difficile
... Little is known about the clinical relevance and pathogenic role of the ADP-ribosylating toxin CDT in C. difficile infec- tions. C. difficile induces diseases of varying severity, from mild diarrhea to PMC, toxic ...
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