Characterization of a novel theta-type plasmid pSM409 of Enterococcus faecium RME isolated from raw milk

Kazi, Tawsif Ahmed; Mitra, Suranjita; Mukhopadhyay, Bidhan Chandra; Mandal, Sukhendu; Biswas, Swadesh Ranjan

doi:10.1016/j.gene.2021.145459

Cited by 6 publications

(4 citation statements)

References 49 publications

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“…The homogeneous concentration (100 mg/mL) of metallogel samples was prepared in sterile MilliQ water for the estimation of the antibacterial action against the microbes. Primarily, the gel suspensions (5 μL) were taken on the top of lawn containing the aforementioned bacteria in a TGE (tryptone, glucose, and yeast extract, all at 1%; pH 6.5) agar plate, , and plates were allowed to incubate for one night at fixed temperature (∼ 37 °C) to produce the region of growth inhibition. Ampicillin (50 μg/mL) was confirmed as the positive control.…”

Section: Resultsmentioning

confidence: 99%

Suberic Acid-Based Supramolecular Metallogels of Ni(II), Zn(II), and Cd(II) for Anti-Pathogenic Activity and Semiconducting Diode Fabrication

et al. 2023

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The importance of three synthesized metallogels of suberic acid distinctly with nickel, zinc, and cadmium acetate salts has been uncovered. For the creation of these soft materials, N,N′-dimethyl formamide was utilized as a source of the trapped solvent. The synthesized metallogels display intriguing viscoelasticity, and the interpretation of experimental parameters obtained from rheological results advocates the gel behavior. Microstructural analysis combined with energy-dispersive X-ray confirms the occurrence of individual gel-developing constituents as observed in different hierarchical microstructural patterns. Significant variations in microstructural arrangements with diverse extent of supramolecular non-covalent patterns inside gel networks were perceived through field emission scanning electron microscopy, atomic force microscopy, and transmission electron microscopy analyses. Fourier transform infrared and electrospray ionization-mass spectral analyses and powder X-ray diffraction analysis of metallogel samples of different gel-establishing ingredients help to investigate the possible supramolecular interactions dictating the metallogel scaffolds. Thermogravimetric analysis of xerogel samples was collected from the synthesized metallogels to understand the thermal stability. These gel materials were characterized by their potential antibacterial efficiency. The potency of metallogels against selective Gram-positive and Gram-negative bacteria was visualized via a spectrophotometer. Human pathogens like Klebsiella pneumoniae (MTCC 109), Salmonella typhi (MTCC 733), Vibrio parahaemolyticus, Bacillus cereus (MTCC 1272), Lactobacillus fermentum (NCDO 955), and Staphylococcus aureus (MTCC 96) are employed in this study. Apart from the biological significance, our metallogels demonstrate as incredible diode performance of fabricated semiconducting systems, which exhibit a considerable amount of non-linearity demonstrating a non-ohmic conduction mechanism at room temperature in dark conditions. Device fabrication was achieved from these metallogels employing the sandwich model with indium tin oxide-coated glass substrates/metallogel/Al structure.

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Section: Resultsmentioning

confidence: 99%

Suberic Acid-Based Supramolecular Metallogels of Ni(II), Zn(II), and Cd(II) for Anti-Pathogenic Activity and Semiconducting Diode Fabrication

et al. 2023

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“…Homogeneous sterile Milli-Q water suspension of different metallogels (concentration 100 mg/mL) was achieved to explore the antibacterial activity against the stated pathogens. The declared pathogens were treated by the different metallogel suspensions (5 μL) in the TGE (tryptone, glucose, and yeast extract, all at 1%; pH 6.5) agar plate. − To observe the growth inhibition, all the agar plates were incubated at 37 °C over one night. As a positive bacterial growth inhibitor (positive control), 50 μg/mL ampicillin was taken to the investigation.…”

Section: Methodsmentioning

confidence: 99%

Exploration of Variable Solvent Directed Self-Healable Supramolecular M(II)-Metallogels (M = Co, Ni, Zn) of Azelaic Acid: Investigating Temperature-Dependent Ion Conductivity and Antibacterial Efficiency

Pal,

Majumdar,

Lepcha

et al. 2023

ACS Appl. Bio Mater.

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“…A total volume of 5 mL of the gel suspensions was initially spotted into the lawn of the aforesaid bacteria in TGE (tryptone, glucose, and yeast extract, all at 1%; pH 6.5) agar plate. [85][86][87] These plates were incubated overnight, maintaining the temperature at 37 1C to elicit the zone of growth inhibition. Ampicillin (50 mg mL À1 ) was also verified as a positive control.…”

Section: Study Of the Antibacterial Activity Of Ni-sb And Zn-sbmentioning

confidence: 99%

Ni(ii) and Zn(ii)-metallogel-based anti-bacterial scaffolds for fabricating light-responsive junction-type semiconducting diodes with non-ohmic conduction mechanism

et al. 2023

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Characterization of a novel theta-type plasmid pSM409 of Enterococcus faecium RME isolated from raw milk

Cited by 6 publications

References 49 publications

Suberic Acid-Based Supramolecular Metallogels of Ni(II), Zn(II), and Cd(II) for Anti-Pathogenic Activity and Semiconducting Diode Fabrication

Suberic Acid-Based Supramolecular Metallogels of Ni(II), Zn(II), and Cd(II) for Anti-Pathogenic Activity and Semiconducting Diode Fabrication

Exploration of Variable Solvent Directed Self-Healable Supramolecular M(II)-Metallogels (M = Co, Ni, Zn) of Azelaic Acid: Investigating Temperature-Dependent Ion Conductivity and Antibacterial Efficiency

Ni(ii) and Zn(ii)-metallogel-based anti-bacterial scaffolds for fabricating light-responsive junction-type semiconducting diodes with non-ohmic conduction mechanism

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