Here, we present the draft genome sequences of two toxigenic Corynebacterium ulcerans strains isolated from two different patients: one from a blood sample and the other from a scar exudate following surgery. Although these two strains harbor the diphtheria toxin gene tox, no full prophage sequences were found in the flanking regions.

We use temperature-dependent contact resistivity (?c) measurements to systematically assess the dominant electron transport mechanism in a large set of poly-Si passivating contacts, fabricated by varying (i) annealing temperature (Tann), (ii) oxide thickness (tox), (iii) oxidation method, and (iv) surface morphology Si substrate. The results show that for silicon thicknesses 1.3–1.5 nm, changes...

In-silico Computer-Aided Drug Design (CADD) significantly relies on cybernetic screening of Plant Based Natural Products (PBNPs) as a prime source bioactive compounds/ drug leads due to their unique chemical structural scaffolds and distinct functional characteristic features amenable design development. In the Post-COVID-Era large number publications have focused PBNPs. Moreover, PBNPs still r...

CAMERO , C. M. & SMIT, MARIA, C. Relationship of Corynebacterium pseudotuberculosis protoplasmic toxins to the exotoxin. Onderstep oort]. vet. Res. (1970), 37 (2), 97-104. Corynebacterium pseudotttberculosis (Buchanan, 1911) protoplasm was separated into two tox ic fractions by means of gel chromatography. Toxin neutralization tests indicated that one of the fractions is probably identical to t...

An Elek test for enterotoxin-producing strains of Vibrio cholerae is described. Thirty-five out of 37 strains of classical V. cholerae produced positive reactions, but only 1 of 69 E1 Tor vibrio strains was reactive. Tox(-) mutants of V. cholerae were also unreactive in the Elek test.

A rapid screening test has been developed to detect heat-labile enterotoxin produced by individual colonies of Escherichia coli or Vibrio cholerae growing on media solidified with agar. The applicability of this method for isolating tox mutants of E. coli and V. cholerae has been demonstrated.

Tox1 is the only genetic element identified which controls production of T-toxin, a linear polyketide involved in the virulence of Cochliobolus heterostrophus to its host plant, corn. Previous attempts to induce toxin-deficient (Tox-) mutants, using conventional mutagenesis and screening procedures, have been unsuccessful. As a strategy to enrich for Tox- mutants, we constructed a Tox1+ strain ...

This paper was presentee at the Proceedings of the 1st Annual Conference on Environmental Toxicology, sponsored by the SysteMed Corporation and held in Fairbom | Ohio on 9, 10, and 11 September 1970. Major technical areas discussed included tox| icological evaluation of carbon monoxide, methodology, pathology, atmospheric contaminants, and toxicology of propeliants and other military chemicals.

Cutaneous diphtheria is uncommon in Europe. In this study, we report a case of imported cutaneous infection due to a non-toxigenic but tox gene-bearing (NTTB) strain of Corynebacterium diphtheriae. The NTTB strains are recognized as emerging pathogens across Europe, and physicians and bacteriologists should be aware of the circulation of these strains.