pew300 peptide (Expression Systems Inc)
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Structured Review
Pew300 Peptide, supplied by Expression Systems Inc, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/result/pew300 peptide/product/Expression Systems Inc
Average 86 stars, based on 1 article reviews
Price from $9.99 to $1999.99
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1) Product Images from "Antibiofilm property and multiple action of peptide PEW300 against Pseudomonas aeruginosa"
Article Title: Antibiofilm property and multiple action of peptide PEW300 against Pseudomonas aeruginosa
Journal: Frontiers in Microbiology
doi: 10.3389/fmicb.2022.963292
Figure Legend Snippet: Physicochemical properties of the PEW300 peptide. (A) The sequences of PEW300 and Cecropin A (CeA). The red font and underline sites indicate mutation sites of the PEW300 peptide. (B) Predicted alpha-helical wheel of PEW300 peptide ( https://heliquest.ipmc.cnrs.fr/cgi-bin/ComputParams.py ). The hydrophobic residues are yellow, positively charged hydrophilic residues are blue, and non-charged polar residues are gray. (C) Purification of PEW300 peptide. Line 1 and line 2 are purified PEW300 peptides. (D) The secondary structure of PEW300 predicted by SWISS-MODEL ( https://swissmodel.expasy.org/interactive ). (E) CD spectra of the PEW300 peptide.
Techniques Used: Mutagenesis, Purification
Figure Legend Snippet: Hemolytic activity, cytotoxicity, and drug resistance of PEW300. (A) Hemolytic activity of PEW300 in mouse red blood cells. 0.1% Triton X-100 was used as the positive control (PC); *** p < 0.005 compared with PC group. (B) Cytotoxicity of PEW300 in HEK293 cells was determined by a CCK-8 assay. 0.1% Triton-X 100 and PBS were used as positive control (PC) and negative control (NC), respectively. Error bars represent the standard error from mean cell viabilities from three replicates, *** indicates p < 0.005 compared with PC group. (C) Drug resistance of the PEW300 and gentamicin. GEN, gentamicin.
Techniques Used: Activity Assay, Positive Control, CCK-8 Assay, Negative Control
Figure Legend Snippet: Antibacterial and antibiofilm properties of PEW300. (A) Antibacterial activity of PEW300, kanamycin (Kan), and gentamicin (GEN) against Pseudomonas aeruginosa JCM5962. (B) Inhibition and (C) dispersion activity of PEW300 against P. aeruginosa JCM5962 biofilms. Error bars represent standard error from mean values as determined by three repeated experiments, *** indicates p < 0.005 and ns means no significant difference compared with Kan-treated groups.
Techniques Used: Activity Assay, Inhibition
Figure Legend Snippet: Antibiofilm pathway and time-killing kinetic analysis of PEW300 against Pseudomonas aeruginosa . (A) Antibiofilm pathway of PEW300 against P. aeruginosa . Reductive effect of PEW300 against P. aeruginosa biofilm (B) and planktonic cells (C) .
Techniques Used:
Figure Legend Snippet: SEM observation of preformed biofilm of Pseudomonas aeruginosa JCM5962 affected by PEW300. The red arrow indicates the damaged JCM5962 cells.
Techniques Used:
Figure Legend Snippet: Eliminative action of PEW300 on Pseudomonas aeruginosa mature biofilm. (A) Fluorescence analysis of PEW300 on P. aeruginosa mature biofilm components. The scale bar is 200 μm. (B) Quantification analysis of mature biofilms components of P. aeruginosa JCM5962 affected by PEW300. * Indicates statistical significance compared to the control groups ( * p < 0.05; *** p < 0.005).
Techniques Used: Fluorescence
Figure Legend Snippet: Disruption effect of PEW300 on Pseudomonas aeruginosa membrane. (A) TEM micrographs of P. aeruginosa JCM5962 treated with or without PEW300 (Control). (B) Flow cytometry analysis of the disruption ability of PEW300 on P. aeruginosa membrane.
Techniques Used: Flow Cytometry
Figure Legend Snippet: Membrane analysis and intracellular disturbance induced by PEW300. (A) Effects of PEW300 on OM permeabilization of Pseudomonas aeruginosa JCM5962. Control represents cells with no PEW300 treatment. (B) LPS-binding affinities of PEW300. Control means the growth of P. aeruginosa JCM5962 with no PEW300 and LPS incubation. * p < 0.05, *** p < 0.005 compared with control. (C) The IM depolarization induced by PEW300. (D) The electrophoretic mobility shift analysis of the interaction between P. aeruginosa JCM5962 genomic DNA (200 ng) and PEW300 peptide. (E) Intracellular ROS intensity produced by P. aeruginosa JCM5962 in the presence of PBS, 1% Triton X-100, and series concentrations of PEW300 peptide. * p < 0.05, *** p < 0.005 compared with PBS-treated group.
Techniques Used: Binding Assay, Incubation, Electrophoretic Mobility Shift Assay, Produced
Figure Legend Snippet: Analysis of Pseudomonas aeruginosa virulence factors affected by PEW300. PEW300 results in decreased virulence of P. aeruginosa JCM5962 in A549 cells characterized by (A) CCK-8 assay and (B) calcein-AM staining. *** p < 0.005 compared with P. aeruginosa JCM5962-treated group. Scale bar is 100 μm. Comparative analysis of (C) pyocyanin content, (D) elastase activity and (E) alginates content in P. aeruginosa JCM5962 treated with or without PEW300 peptide. (F) qPCR analysis of virulence-related gene expression. Data represent the mean ± SD from three independent experiments performed in triplicate. * indicates p < 0.05, *** indicates p < 0.005; ns means no significant difference compared with control.
Techniques Used: CCK-8 Assay, Staining, Activity Assay, Expressing
Figure Legend Snippet: Schematic illustration of the (A) antibiofilm pathway and (B) the multiple actions of PEW300 against Pseudomonas aeruginosa .
Techniques Used: