Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan

This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction an...
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Autor*in:	Lin-Li Chang [verfasserIn] Tsung-Ming Chang [verfasserIn] Chung-Yu Chang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2007

Schlagwörter:	aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8

Übergeordnetes Werk:	In: Kaohsiung Journal of Medical Sciences - Wiley, 2017, 23(2007), 6, Seite 273-280
Übergeordnetes Werk:	volume:23 ; year:2007 ; number:6 ; pages:273-280

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/S1607-551X(09)70409-7

Katalog-ID:	DOAJ078401852

Internformat


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245	1	0	\|a Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan
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520			\|a This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics.
650		4	\|a aadA1-linF
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912			\|a GBV_ILN_22
912			\|a GBV_ILN_23
912			\|a GBV_ILN_24
912			\|a GBV_ILN_31
912			\|a GBV_ILN_39
912			\|a GBV_ILN_40
912			\|a GBV_ILN_60
912			\|a GBV_ILN_62
912			\|a GBV_ILN_63
912			\|a GBV_ILN_65
912			\|a GBV_ILN_69
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_95
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_151
912			\|a GBV_ILN_161
912			\|a GBV_ILN_170
912			\|a GBV_ILN_171
912			\|a GBV_ILN_206
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_285
912			\|a GBV_ILN_293
912			\|a GBV_ILN_602
912			\|a GBV_ILN_636
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2006
912			\|a GBV_ILN_2007
912			\|a GBV_ILN_2010
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2026
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2037
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2057
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2108
912			\|a GBV_ILN_2110
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2144
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2232
912			\|a GBV_ILN_2470
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_4012
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4046
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4249
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4306
912			\|a GBV_ILN_4307
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4322
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4336
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4367
912			\|a GBV_ILN_4700
951			\|a AR
952			\|d 23 \|j 2007 \|e 6 \|h 273-280

Indexfelder

author_variant	l l c llc t m c tmc c y c cyc
matchkey_str	article:24108650:2007----::aibeeeasteatrsfls1nernsoitdrgeitn
hierarchy_sort_str	2007
callnumber-subject-code	R
publishDate	2007
allfields	10.1016/S1607-551X(09)70409-7 doi (DE-627)DOAJ078401852 (DE-599)DOAJecc39bff518e4c35854236fc3375520e DE-627 ger DE-627 rakwb eng R5-920 Lin-Li Chang verfasserin aut Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics. aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8 Medicine (General) Tsung-Ming Chang verfasserin aut Chung-Yu Chang verfasserin aut In Kaohsiung Journal of Medical Sciences Wiley, 2017 23(2007), 6, Seite 273-280 (DE-627)50002023X (DE-600)2202782-8 24108650 nnns volume:23 year:2007 number:6 pages:273-280 https://doi.org/10.1016/S1607-551X(09)70409-7 kostenfrei https://doaj.org/article/ecc39bff518e4c35854236fc3375520e kostenfrei http://www.sciencedirect.com/science/article/pii/S1607551X09704097 kostenfrei https://doaj.org/toc/1607-551X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2007 6 273-280
spelling	10.1016/S1607-551X(09)70409-7 doi (DE-627)DOAJ078401852 (DE-599)DOAJecc39bff518e4c35854236fc3375520e DE-627 ger DE-627 rakwb eng R5-920 Lin-Li Chang verfasserin aut Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics. aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8 Medicine (General) Tsung-Ming Chang verfasserin aut Chung-Yu Chang verfasserin aut In Kaohsiung Journal of Medical Sciences Wiley, 2017 23(2007), 6, Seite 273-280 (DE-627)50002023X (DE-600)2202782-8 24108650 nnns volume:23 year:2007 number:6 pages:273-280 https://doi.org/10.1016/S1607-551X(09)70409-7 kostenfrei https://doaj.org/article/ecc39bff518e4c35854236fc3375520e kostenfrei http://www.sciencedirect.com/science/article/pii/S1607551X09704097 kostenfrei https://doaj.org/toc/1607-551X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2007 6 273-280
allfields_unstemmed	10.1016/S1607-551X(09)70409-7 doi (DE-627)DOAJ078401852 (DE-599)DOAJecc39bff518e4c35854236fc3375520e DE-627 ger DE-627 rakwb eng R5-920 Lin-Li Chang verfasserin aut Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics. aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8 Medicine (General) Tsung-Ming Chang verfasserin aut Chung-Yu Chang verfasserin aut In Kaohsiung Journal of Medical Sciences Wiley, 2017 23(2007), 6, Seite 273-280 (DE-627)50002023X (DE-600)2202782-8 24108650 nnns volume:23 year:2007 number:6 pages:273-280 https://doi.org/10.1016/S1607-551X(09)70409-7 kostenfrei https://doaj.org/article/ecc39bff518e4c35854236fc3375520e kostenfrei http://www.sciencedirect.com/science/article/pii/S1607551X09704097 kostenfrei https://doaj.org/toc/1607-551X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2007 6 273-280
allfieldsGer	10.1016/S1607-551X(09)70409-7 doi (DE-627)DOAJ078401852 (DE-599)DOAJecc39bff518e4c35854236fc3375520e DE-627 ger DE-627 rakwb eng R5-920 Lin-Li Chang verfasserin aut Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics. aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8 Medicine (General) Tsung-Ming Chang verfasserin aut Chung-Yu Chang verfasserin aut In Kaohsiung Journal of Medical Sciences Wiley, 2017 23(2007), 6, Seite 273-280 (DE-627)50002023X (DE-600)2202782-8 24108650 nnns volume:23 year:2007 number:6 pages:273-280 https://doi.org/10.1016/S1607-551X(09)70409-7 kostenfrei https://doaj.org/article/ecc39bff518e4c35854236fc3375520e kostenfrei http://www.sciencedirect.com/science/article/pii/S1607551X09704097 kostenfrei https://doaj.org/toc/1607-551X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2007 6 273-280
allfieldsSound	10.1016/S1607-551X(09)70409-7 doi (DE-627)DOAJ078401852 (DE-599)DOAJecc39bff518e4c35854236fc3375520e DE-627 ger DE-627 rakwb eng R5-920 Lin-Li Chang verfasserin aut Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics. aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8 Medicine (General) Tsung-Ming Chang verfasserin aut Chung-Yu Chang verfasserin aut In Kaohsiung Journal of Medical Sciences Wiley, 2017 23(2007), 6, Seite 273-280 (DE-627)50002023X (DE-600)2202782-8 24108650 nnns volume:23 year:2007 number:6 pages:273-280 https://doi.org/10.1016/S1607-551X(09)70409-7 kostenfrei https://doaj.org/article/ecc39bff518e4c35854236fc3375520e kostenfrei http://www.sciencedirect.com/science/article/pii/S1607551X09704097 kostenfrei https://doaj.org/toc/1607-551X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 23 2007 6 273-280
language	English
source	In Kaohsiung Journal of Medical Sciences 23(2007), 6, Seite 273-280 volume:23 year:2007 number:6 pages:273-280
sourceStr	In Kaohsiung Journal of Medical Sciences 23(2007), 6, Seite 273-280 volume:23 year:2007 number:6 pages:273-280
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8 Medicine (General)
isfreeaccess_bool	true
container_title	Kaohsiung Journal of Medical Sciences
authorswithroles_txt_mv	Lin-Li Chang @@aut@@ Tsung-Ming Chang @@aut@@ Chung-Yu Chang @@aut@@
publishDateDaySort_date	2007-01-01T00:00:00Z
hierarchy_top_id	50002023X
id	DOAJ078401852
language_de	englisch
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The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. 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callnumber-first	R - Medicine
author	Lin-Li Chang
spellingShingle	Lin-Li Chang misc R5-920 misc aadA1-linF misc conjugative plasmid misc dfrA17-aadA5 misc Escherichia coli misc orfD-aacA4-catB8 misc Medicine (General) Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan
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topic_title	R5-920 Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan aadA1-linF conjugative plasmid dfrA17-aadA5 Escherichia coli orfD-aacA4-catB8
topic	misc R5-920 misc aadA1-linF misc conjugative plasmid misc dfrA17-aadA5 misc Escherichia coli misc orfD-aacA4-catB8 misc Medicine (General)
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title	Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan
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title_full	Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan
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title_sort	variable gene cassette patterns of class 1 integron-associated drug-resistant escherichia coli in taiwan
callnumber	R5-920
title_auth	Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan
abstract	This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics.
abstractGer	This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics.
abstract_unstemmed	This study characterized class 1 integrons in Escherichia coli in Taiwan. The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. The potential role of integrons in the uptake and dissemination of resistance genes by plasmid between species of bacteria may decrease the therapeutic effectiveness of antibiotics.
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title_short	Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan
url	https://doi.org/10.1016/S1607-551X(09)70409-7 https://doaj.org/article/ecc39bff518e4c35854236fc3375520e http://www.sciencedirect.com/science/article/pii/S1607551X09704097 https://doaj.org/toc/1607-551X
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The stability and changes in gene cassettes inserted into integrons were also evaluated. The study included 436 clinical strains of E. coli isolated in 2002. Class 1 integrons were characterized by polymerase chain reaction and direct sequencing. Genetic localization of class 1 integrons was determined by conjugal transfer and Southern hybridization. The results indicated that 64% of E. coli isolates carried class 1 integrons. Molecular analysis revealed that the class 1 integrons harbored 13 different antimicrobial resistance gene cassettes and two unknown gene cassettes; the predominant cassettes were aadA and dfrA. Novel gene cassettes first recovered from E. coli were aacA4 and linF. Cassette arrays orfD-aacA4-catB8 and aadA1-linF were also observed. Gene cassette dfrA12-orfF-aadA2 was stable. The class 1 integron and dfrA17-aadA5 gene cassette were located on the same transferable plasmids and were capable of transmission. Therefore, the increased drug resistance of clinical isolates may be explained by antibiotic selective pressure and widespread presence of integrons. Under antibiotic selective pressure, gene cassette-mediated resistance may not be easily lost. 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Variable Gene Cassette Patterns of Class 1 Integron-Associated Drug-Resistant Escherichia Coli in Taiwan

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