Publications by authors named "Cheng-Tun Qu"

Article Synopsis
  • Pseudomonas aeruginosa can break down petroleum hydrocarbon contaminants, but its effectiveness is greatly reduced under temperature stress.
  • The study focused on how temperature affects the proteins involved in this biodegradation process by analyzing the proteome of P. aeruginosa P6 at three different temperatures (25°C, 37°C, and 43°C).
  • Results indicated that lower (25°C) and higher (43°C) temperatures inhibited the expression of key proteins necessary for chemotaxis, oxidation of hydrocarbons, and nutrient transport, affecting the bacteria's ability to degrade petroleum effectively.
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Article Synopsis
  • The study used iTRAQ and bioinformatics to analyze how different concentrations of petroleum hydrocarbons affect protein changes during their biodegradation by Pseudomonas aeruginosa P6.
  • A total of 63 differentially expressed proteins were identified, with significant associations to processes involved in the degradation of petroleum hydrocarbons, showing that some protein activities decreased while others increased under varying concentrations.
  • The findings indicate that at high concentrations (20,000 mg/L) of petroleum hydrocarbons, the uptake and degradation processes became more active, while certain transport and oxidation processes decreased, providing insights for future research in this area.
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Article Synopsis
  • Proteomic analysis identified 17 key up-regulated proteins in Pseudomonas aeruginosa (P6), which enhances its ability to degrade crude oil efficiently.
  • These proteins support the bacteria's survival in harsh environments while utilizing crude oil as a carbon source.
  • The study connects these proteins to crucial physiological processes like chemotaxis, carbon uptake, and nutrient transport, providing a basis for future research.
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