Phnshp45

Author: jybd

August undefined, 2024

Webb10 jan. 2024 · The removal of the mcr-1 gene from plasmid pHNSHP45 not only led to reduced resistance to colistin but also resulted in a significant change in the membrane permeability of E. coli. Unexpectedly, the removal of the mcr-1 gene increased cell viability under high osmotic stress conditions (e.g., 7.0% NaCl) and led to increased resistance to … Webb图4 大肠杆菌 SHP45 携带 mcr-1 基因质粒 pHNSHP45 的结构. 3. 多黏菌素耐药现状. 由于质粒介导的 mcr-1 基因可以在不同菌株间进行水平传播，致使动物源性多黏菌素类药物耐 …

Plasmid comparison of pRS1231-S-MCR-1.1 and pHNSHP45 …

Webb60 kb in-size, and were similar to pHNSHP45 (Fig. 1), the original sequenced mcr-1 plasmid published in 2015 [5]. The three IncI2 plasmids shared a common plasmid backbone, however, in the case of pPC11 the mcr-1 cas-sette [17] was located in an inverted orientation com-pared to the others (data not shown). Additionally, the WebbOne mcr-1-carrying Salmonella enterica serovar Indiana strain D90, was identified from 1320 Salmonella enterica isolates from poultry slaughterhouse in 2012 in China. The objective of this study was to verify the transferability of the mcr-1 gene and also completely characterize the sequence of the strain at the whole-genome level. Broth … canadian government purchases pipeline

Dissemination and Mechanism for the MCR-1 Colistin Resistance

Webb28 nov. 2016 · Abstract. Polymyxins are the last line of defense against lethal infections caused by multidrug resistant Gram-negative pathogens. Very recently, the use of polymyxins has been greatly challenged by the emergence of the plasmid-borne mobile colistin resistance gene ( mcr-1 ). However, the mechanistic aspects of the MCR-1 … Webb19 dec. 2016 · This recombination process enables the non-conjugative plasmid, pHYEC7-mcr1, to transfer its mcr-1-encoding mobile element to pHYEC7-IncHI2, forming a … Webb1 jan. 2016 · pHNSHP45 to the recipient strain. pHNSHP45 could be transferred via transformation, but not conjugation, into K pneumoniae 1202 (ST11) producing KPC-2, E coli E11 fisheries and oceans online licensing system

Molecular characteristics of mcr-1-carrying plasmids and new mcr …

Phnshp45

Webb17 jan. 2024 · IncHI2 plasmids, such as pHNSHP45–2, have been frequently associated with global spread of mcr-1 genes (3,13,14). Figure 1 Sequence comparison of scaffolds … Webb15 mars 2024 · The pHNSHP45 plasmid-encoded PcnR protein favours the fitness of bacteria carrying mcr-1-bearing IncI2 plasmids. (A) PcnR enhances the fitness of E. coli …

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Webb16 okt. 2024 · Newport strains ASGD2 to pHNSHP45-2 revealed that this plasmid aligned very well with pHNSHP45-2 except that a region containing the tra genes, which were … Webb6 feb. 2024 · Except for a 3,684 bp region that was also present in a pHNSHP45-2-like plasmid and included the ISApl1 and mcr-1, the entire nucleotide sequence showed …

Webb29 juni 2024 · 2.2. mcr-1 Inhibits pHNSHP45 Transfer through Conjugation mcr-1 is carried by the plasmid pHNSHP45, hereafter referred to as the mcr-1 plasmid. To examine … Webb27 feb. 2024 · Fitness Effects of mcr-1 Gene and mcr-1 Plasmids in Vitro. The impact of plasmids pHNSHP45, pHNSHP45-2, pHNSHP23, pHNSHP17 and pHNSHP24 on host …

http://www.cpam-cmi.com/article/imagetext-detail/982 Webb19 dec. 2016 · Compared with the original mcr-1-bearing IncHI2 plasmid pHNSHP45-2, 23 three regions in which antibiotic resistance genes were observable were found to exhibit structural differences (Figure S2). First, the IS Apl1 - mcr-1 - orf region located between terF and the hypothetical CDS was absent in pHYEC7-IncHI2, indicating that mcr-1 could …

Webb18 nov. 2015 · To identify the gene responsible for polymyxin resistance, pHNSHP45 was completely sequenced, which revealed a plasmid 64 015 bp in size with an average GC content of 43·0%. pHNSHP45 contains 60 predicted open reading frames and possesses a typical IncI2-type backbone (57 624 bp) encoding replication, horizontal transfer, …

Webb6 juli 2024 · Relative to the paradigm mcr-1-harboring IncI2-type plasmid pHNSHP45, pGD17-2 exhibited 51% coverage and 99% identity and possessed two insertion sequences (IS629 and IS1294) in the nikB gene, as well as an additional IS629-mediated insertion sequence (~56 kb) in the pilO gene (Fig. 1 and Additional file 2: Figure S2). fisheries and oceans newfoundlandWebbPlasmid Transformation Assays. The competent cells including E. coli DH5α containing pUC19-mcr-1 and E. coli C600+pHNSHP45 were prepared and used for transformation … fisheries and oceans minister mandate letterWebb开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 fisheries and wildlife building ttuWebb27 feb. 2024 · Fitness Effects of mcr-1 Gene and mcr-1 Plasmids in Vitro. The impact of plasmids pHNSHP45, pHNSHP45-2, pHNSHP23, pHNSHP17 and pHNSHP24 on host fitness was evaluated by direct competition assays of plasmid-carrying E. coli DH5α against plasmid-free E. coli DH5α. The transformants with pHNSHP45(IncI2) or … fisheries and ports department keralaWebb15 mars 2024 · Plasmid pHNSHP45 (GenBank accession number: KP347127) was introduced into Escherichia coli BW25113 by conjugation using E. coli C600/pHNSHP45 as the donor . The strains carrying pHNSHP45 and its derivatives (n = 3) were grown in LB broth overnight at 37°C, then diluted 1:200 to fresh medium and shaking (250 rpm) at … fisheries and oceans nanaimoWebb5 juli 2024 · pHNSHP45 was used as a reference to compare with the pMCRs described here and with other IncI2 plasmids. The outer circle with red arrows indicates annotation of the reference sequence. Gaps in the inner circles are missing regions when compared with the reference. Plasmids characteristics are included in Table 3. fisheries and seafood development programmeWebbThe global dissemination of the mobilized colistin resistance gene, mcr-1, threatens human health. Recent studies by our group and others have shown that the withdrawal of colistin as a feed additi... fisheries and seafood scheme fass