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Definition of a Family of Nonmobile Colistin Resistance (NMCR-1) Determinants Suggests Aquatic Reservoirs for MCR-4

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Journal Adv Sci (Weinh)
Date 2019 Jun 11
PMID 31179218
Citations 17
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Abstract

Polymyxins, a family of cationic antimicrobial peptides, are recognized as a last-resort clinical option used in the treatment of lethal infections with carbapenem-resistant pathogens. A growing body of mobile colistin resistance (MCR) determinants renders colistin ineffective in the clinical and human sectors, posing a challenge to human health and food security. However, the origin and reservoir of the MCR family enzymes is poorly understood. Herein, a new family of nonmobile colistin resistance (from to ) from the aquatic bacterium is reported. NMCR-1 (541aa) displays 62.78% identity to MCR-4. Genetic and structural analyses reveal that NMCR-1 shares a similar catalytic mechanism and functional motifs, both of which are required for MCR action and its resultant phenotypic resistance to polymyxin. Phylogeny and domain-swapping demonstrate that NMCR-1 is a progenitor of MCR-4 rather than MCR-1/2. Additionally, the experiment of bacterial growth and viability reveals that NMCR-1 promotes fitness cost as MCR-1/4 does in the recipient . In summary, the finding suggests that the aquatic bacterium (and even its associated aquaculture) is a reservoir for MCR-4 mobile colistin resistance.

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References
1.
Gros M, Rodriguez-Mozaz S, Barcelo D . Rapid analysis of multiclass antibiotic residues and some of their metabolites in hospital, urban wastewater and river water by ultra-high-performance liquid chromatography coupled to quadrupole-linear ion trap tandem mass spectrometry. J Chromatogr A. 2013; 1292:173-88. DOI: 10.1016/j.chroma.2012.12.072. View

2.
Ding S, Han X, Li J, Gao W, Chen Z, Feng Y . Discovery of multi-drug resistant, MCR-1 and ESBL-coproducing ST117 Escherichia coli from diseased chickens in northeast China. Sci Bull (Beijing). 2023; 63(16):1059-1066. DOI: 10.1016/j.scib.2018.07.017. View

3.
Feng Y, Kumar R, Ravcheev D, Zhang H . Paracoccus denitrificans possesses two BioR homologs having a role in regulation of biotin metabolism. Microbiologyopen. 2015; 4(4):644-59. PMC: 4554459. DOI: 10.1002/mbo3.270. View

4.
Cullen T, Trent M . A link between the assembly of flagella and lipooligosaccharide of the Gram-negative bacterium Campylobacter jejuni. Proc Natl Acad Sci U S A. 2010; 107(11):5160-5. PMC: 2841920. DOI: 10.1073/pnas.0913451107. View

5.
Chavda B, Lv J, Hou M, Chavda K, Kreiswirth B, Feng Y . Coidentification of and in a Clinical Enterobacter cloacae Isolate from China. Antimicrob Agents Chemother. 2018; 62(10). PMC: 6153785. DOI: 10.1128/AAC.00649-18. View