Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs

The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli...
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Autor*in:	Yungai Xiang [verfasserIn] Zengyuan Liu [verfasserIn] Guo Yu [verfasserIn] Yuxia Song [verfasserIn] Yan Li [verfasserIn] Xujing Geng [verfasserIn] Liying Ma [verfasserIn] Junqing Guo [verfasserIn] Li Tan [verfasserIn] Pengju Chen [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome

Übergeordnetes Werk:	In: Frontiers in Microbiology - Frontiers Media S.A., 2011, 14(2023)
Übergeordnetes Werk:	volume:14 ; year:2023

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fmicb.2023.1116413

Katalog-ID:	DOAJ088589862

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allfields	10.3389/fmicb.2023.1116413 doi (DE-627)DOAJ088589862 (DE-599)DOAJ627be249a3b14b8d95048311ac25f0b7 DE-627 ger DE-627 rakwb eng QR1-502 Yungai Xiang verfasserin aut Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis. Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome Microbiology Zengyuan Liu verfasserin aut Guo Yu verfasserin aut Yuxia Song verfasserin aut Yan Li verfasserin aut Xujing Geng verfasserin aut Liying Ma verfasserin aut Junqing Guo verfasserin aut Li Tan verfasserin aut Pengju Chen verfasserin aut Pengju Chen verfasserin aut In Frontiers in Microbiology Frontiers Media S.A., 2011 14(2023) (DE-627)642889384 (DE-600)2587354-4 1664302X nnns volume:14 year:2023 https://doi.org/10.3389/fmicb.2023.1116413 kostenfrei https://doaj.org/article/627be249a3b14b8d95048311ac25f0b7 kostenfrei https://www.frontiersin.org/articles/10.3389/fmicb.2023.1116413/full kostenfrei https://doaj.org/toc/1664-302X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023
spelling	10.3389/fmicb.2023.1116413 doi (DE-627)DOAJ088589862 (DE-599)DOAJ627be249a3b14b8d95048311ac25f0b7 DE-627 ger DE-627 rakwb eng QR1-502 Yungai Xiang verfasserin aut Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis. Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome Microbiology Zengyuan Liu verfasserin aut Guo Yu verfasserin aut Yuxia Song verfasserin aut Yan Li verfasserin aut Xujing Geng verfasserin aut Liying Ma verfasserin aut Junqing Guo verfasserin aut Li Tan verfasserin aut Pengju Chen verfasserin aut Pengju Chen verfasserin aut In Frontiers in Microbiology Frontiers Media S.A., 2011 14(2023) (DE-627)642889384 (DE-600)2587354-4 1664302X nnns volume:14 year:2023 https://doi.org/10.3389/fmicb.2023.1116413 kostenfrei https://doaj.org/article/627be249a3b14b8d95048311ac25f0b7 kostenfrei https://www.frontiersin.org/articles/10.3389/fmicb.2023.1116413/full kostenfrei https://doaj.org/toc/1664-302X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023
allfields_unstemmed	10.3389/fmicb.2023.1116413 doi (DE-627)DOAJ088589862 (DE-599)DOAJ627be249a3b14b8d95048311ac25f0b7 DE-627 ger DE-627 rakwb eng QR1-502 Yungai Xiang verfasserin aut Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis. Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome Microbiology Zengyuan Liu verfasserin aut Guo Yu verfasserin aut Yuxia Song verfasserin aut Yan Li verfasserin aut Xujing Geng verfasserin aut Liying Ma verfasserin aut Junqing Guo verfasserin aut Li Tan verfasserin aut Pengju Chen verfasserin aut Pengju Chen verfasserin aut In Frontiers in Microbiology Frontiers Media S.A., 2011 14(2023) (DE-627)642889384 (DE-600)2587354-4 1664302X nnns volume:14 year:2023 https://doi.org/10.3389/fmicb.2023.1116413 kostenfrei https://doaj.org/article/627be249a3b14b8d95048311ac25f0b7 kostenfrei https://www.frontiersin.org/articles/10.3389/fmicb.2023.1116413/full kostenfrei https://doaj.org/toc/1664-302X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023
allfieldsGer	10.3389/fmicb.2023.1116413 doi (DE-627)DOAJ088589862 (DE-599)DOAJ627be249a3b14b8d95048311ac25f0b7 DE-627 ger DE-627 rakwb eng QR1-502 Yungai Xiang verfasserin aut Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis. Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome Microbiology Zengyuan Liu verfasserin aut Guo Yu verfasserin aut Yuxia Song verfasserin aut Yan Li verfasserin aut Xujing Geng verfasserin aut Liying Ma verfasserin aut Junqing Guo verfasserin aut Li Tan verfasserin aut Pengju Chen verfasserin aut Pengju Chen verfasserin aut In Frontiers in Microbiology Frontiers Media S.A., 2011 14(2023) (DE-627)642889384 (DE-600)2587354-4 1664302X nnns volume:14 year:2023 https://doi.org/10.3389/fmicb.2023.1116413 kostenfrei https://doaj.org/article/627be249a3b14b8d95048311ac25f0b7 kostenfrei https://www.frontiersin.org/articles/10.3389/fmicb.2023.1116413/full kostenfrei https://doaj.org/toc/1664-302X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023
allfieldsSound	10.3389/fmicb.2023.1116413 doi (DE-627)DOAJ088589862 (DE-599)DOAJ627be249a3b14b8d95048311ac25f0b7 DE-627 ger DE-627 rakwb eng QR1-502 Yungai Xiang verfasserin aut Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis. Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome Microbiology Zengyuan Liu verfasserin aut Guo Yu verfasserin aut Yuxia Song verfasserin aut Yan Li verfasserin aut Xujing Geng verfasserin aut Liying Ma verfasserin aut Junqing Guo verfasserin aut Li Tan verfasserin aut Pengju Chen verfasserin aut Pengju Chen verfasserin aut In Frontiers in Microbiology Frontiers Media S.A., 2011 14(2023) (DE-627)642889384 (DE-600)2587354-4 1664302X nnns volume:14 year:2023 https://doi.org/10.3389/fmicb.2023.1116413 kostenfrei https://doaj.org/article/627be249a3b14b8d95048311ac25f0b7 kostenfrei https://www.frontiersin.org/articles/10.3389/fmicb.2023.1116413/full kostenfrei https://doaj.org/toc/1664-302X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023
language	English
source	In Frontiers in Microbiology 14(2023) volume:14 year:2023
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topic_facet	Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome Microbiology
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container_title	Frontiers in Microbiology
authorswithroles_txt_mv	Yungai Xiang @@aut@@ Zengyuan Liu @@aut@@ Guo Yu @@aut@@ Yuxia Song @@aut@@ Yan Li @@aut@@ Xujing Geng @@aut@@ Liying Ma @@aut@@ Junqing Guo @@aut@@ Li Tan @@aut@@ Pengju Chen @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
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id	DOAJ088589862
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callnumber-first	Q - Science
author	Yungai Xiang
spellingShingle	Yungai Xiang misc QR1-502 misc Escherichia coli misc mcr-1 misc blaNDM-5 misc lesions-bearing misc chromosome misc Microbiology Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs
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issn	1664302X
topic_title	QR1-502 Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs Escherichia coli mcr-1 blaNDM-5 lesions-bearing chromosome
topic	misc QR1-502 misc Escherichia coli misc mcr-1 misc blaNDM-5 misc lesions-bearing misc chromosome misc Microbiology
topic_unstemmed	misc QR1-502 misc Escherichia coli misc mcr-1 misc blaNDM-5 misc lesions-bearing misc chromosome misc Microbiology
topic_browse	misc QR1-502 misc Escherichia coli misc mcr-1 misc blaNDM-5 misc lesions-bearing misc chromosome misc Microbiology
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title	Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs
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title_full	Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs
author_sort	Yungai Xiang
journal	Frontiers in Microbiology
journalStr	Frontiers in Microbiology
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author_browse	Yungai Xiang Zengyuan Liu Guo Yu Yuxia Song Yan Li Xujing Geng Liying Ma Junqing Guo Li Tan Pengju Chen
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author-letter	Yungai Xiang
doi_str_mv	10.3389/fmicb.2023.1116413
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title_sort	genetic characteristic of coexisting of mcr-1 and blandm-5 in escherichia coli isolates from lesion-bearing animal organs
callnumber	QR1-502
title_auth	Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs
abstract	The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis.
abstractGer	The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis.
abstract_unstemmed	The coexistence of mcr-1 and blaNDM-5 in the plasmid of Escherichia coli has been widely reported and such strains have been mainly isolated from animal and human feces. However, few reports have focused on the genetic diversity of mcr-1-carrying chromosomes and blaNDM-5-carrying plasmids in E. coli isolates from lesion-bearing animal organs. This study investigated the genetic characteristics of chromosome-mediated mcr-1 and plasmid-mediated blaNDM-5 in E. coli isolated from lesion-bearing animal organs. Nine mcr-1- and blaNDM-5-positive E. coli strains (MNPECs) showed extensive drug resistance (XDR). The predominant clonal complexes (CC) mainly belonged to CC156, CC10, and CC165 from the 56 MNEPCs (including nine strains in this study) retrieved from the literature. These strains were widely distributed in China, and originated from pig fecal samples, human stool/urine samples as well as intestinal contents of chicken. Two transconjugants harboring blaNDM-5 gene were also successfully obtained from two donors (J-8 and N-14) and this transfer increased the MIC for meropenem by 256 times. However, conjugative transfer of mcr-1 gene failed. Both J-8 and N-14 strains contained point mutations associated with quinolone resistance and more than three types of AMR genes, including the mcr-1 gene on the chromosome and the blaNDM-5 gene on the IncX3-type plasmid. The genetic structure of mcr-1 located on the chromosome was an intact Tn6330, and blaNDM-5-carrying IncX3-type plasmid was ISAb125-IS5-blaNDM-5-bleO-trpF-tat-cutA-IS26 gene cassette. Moreover, differences between chromosomes included additional partial sequence of phage integrated into host genome and the different genes associated with O-antigen synthesis.
collection_details	GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700
title_short	Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs
url	https://doi.org/10.3389/fmicb.2023.1116413 https://doaj.org/article/627be249a3b14b8d95048311ac25f0b7 https://www.frontiersin.org/articles/10.3389/fmicb.2023.1116413/full https://doaj.org/toc/1664-302X
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author2	Zengyuan Liu Guo Yu Yuxia Song Yan Li Xujing Geng Liying Ma Junqing Guo Li Tan Pengju Chen
author2Str	Zengyuan Liu Guo Yu Yuxia Song Yan Li Xujing Geng Liying Ma Junqing Guo Li Tan Pengju Chen
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doi_str	10.3389/fmicb.2023.1116413
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up_date	2024-07-03T18:30:36.080Z
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Genetic characteristic of coexisting of mcr-1 and blaNDM-5 in Escherichia coli isolates from lesion-bearing animal organs

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