ArticleScientific reports2025
Enhanced chemotaxis and degradation of nonylphenol in Pseudoxanthomonas mexicana via CRISPR-mediated receptor modification.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- The Arsenal of Aromatic Degrading Bacteria: How They Sense, Chase, Adapt and Destroy Environmental Pollutants.Microbial biotechnology · 2026Review
- Enhancing Nonylphenol Biodegradation: The Role of Acetyl-CoA C-Acetyltransferase inBiotech (Basel (Switzerland)) · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
In this study, a novel nonylphenol (NP)-degrading bacterium, Pseudoxanthomonas mexicana CH, was isolated from wastewater treatment plant effluent. Phylogenetic analysis showed its close relationship to P. mexicana AMX 26BT. The strain displayed chemotaxis toward NP, with Mcp24 as the key chemoreceptor. The Mcp24 deletion mutant (CH- 1) had weaker chemotaxis and NP degradation (over 30% lower in solution and 8% lower in sludge than the wild type). In vitro, Mcp15's C-terminal pentapeptide DWQEF was methylated by CheR. Using CRISPR, this pentapeptide was added to Mcp24 to create CH- 2. CH- 2 showed better NP chemotaxis (17% higher in plate assays and 39% higher in capillary assays) and higher NP degradation rates (23.5% and 24.2% higher in solution and sludge, respectively). These findings demonstrate that NP acts as a bacterial chemoattractant, with Mcp24 as the receptor. Enhancing Mcp24's C-terminal pentapeptide improves chemotaxis and degradation efficiency, representing a significant advancement in bioremediation by strengthening bacterial responses to pollutants.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.