Proteomics

Dataset Information

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Adaptive responses of Pseudomonas aeruginosa to treatment with antibiotics and non-steroidal anti-inflammatory drugs


ABSTRACT: Circumventing or overwhelming the bacterial adaptation capabilities is key to combatting multidrug-resistant pathogens like Pseudomonas aeruginosa. We investigated the physiological stress exerted by approved antibiotics (ciprofloxacin, levofloxacin, rifampicin, gentamicin, tobramycin, azithromycin, tigecycline, polymyxin B, colistin, ceftazidime, meropenem, piperacillin/tazobactam), experimental antibiotics (CHIR-090) and NSAIDs (acetylsalicylic acid (aspirin), diclofenac, ibuprofen), and studied the bacterial response on the proteome level. Radioactive pulse-labeling of newly synthesized proteins followed by 2D-PAGE was used to monitor the acute response of P. aeruginosa to antibiotic treatment. Subsequently, marker proteins were excised from non-radioactive gels and identified by mass spectrometry. We generated a reference library of P. aeruginosa proteomic responses and implemented a mathematical comparison of the profiles. Proteomic signatures were derived for clinically relevant target areas.

INSTRUMENT(S): Synapt MS

ORGANISM(S): Pseudomonas Aeruginosa Pao1

SUBMITTER: Dominik Wüllner  

LAB HEAD: Julia Elisabeth Bandow

PROVIDER: PXD022879 | Pride | 2022-08-12

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
170315_Cipro1.raw.zip Raw
170315_Cipro10.raw.zip Raw
170315_Cipro11.raw.zip Raw
170315_Cipro12.raw.zip Raw
170315_Cipro13.raw.zip Raw
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Publications

Adaptive Responses of <i>Pseudomonas aeruginosa</i> to Treatment with Antibiotics.

Wüllner Dominik D   Gesper Maren M   Haupt Annika A   Liang Xiaofei X   Zhou Pei P   Dietze Pascal P   Narberhaus Franz F   Bandow Julia E JE  

Antimicrobial agents and chemotherapy 20211108 1


Pseudomonas aeruginosa is among the highest priority pathogens for drug development because of its resistance to antibiotics, extraordinary adaptability, and persistence. Antipseudomonal research is strongly encouraged to address the acute scarcity of innovative antimicrobial lead structures. In an effort to understand the physiological response of P. aeruginosa to clinically relevant antibiotics, we investigated the proteome after exposure to ciprofloxacin, levofloxacin, rifampicin, gentamicin,  ...[more]

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