[1]Bae I K, Lee Y N, Hwang H Y, Jeong S H, Lee S J, Kwak HS, Song W, Kim H J, Youn H. 2006. Emergence of CTXM-12 extended-spectrum ?-lactamase-producingEscherichia coli in Korea. Journal of AntimicrobialChemotherapy, 58, 1257-1259.[2]Bonnet R. 2004. Growing group of extended-spectrum ?-lactamases: the CTX-M enzymes. Antimicrobial Agentsand Chemotherapy, 48, 1-14.[3]Carattoli A, Bertini A, Villa L, Falbob V, Hopkins K L,Threlfall E J. 2005. Identification of plasmids by PCRbasedreplicon typing. Journal of MicrobiologicalMethods, 63, 219-228.[4]Chanawong A, M’Zali F H, Heritage J, Xiong J H, HawkeyP M. 2002. Three cefotaximases, CTX-M-9, CTX-M-13,and CTX-M-14, among Enterobacteriaceae in thePeople’s Republic of China. Antimicrobial Agents andChemotherapy, 46, 630-637.[5]Cheng J, Gao W, Yin J, Yin J, Sun Z, Ye Y, Gao Y F, Li X, LiJ B. 2010. Phenotypic and molecular characterization oftwo novel CTX-M enzymes carried by K. pneumoniae.Molecular Biology Reports, 37, 1261-1267.[6]Clinical and Laboratory Standards Institute (CLSI). 2008.Performance Standards for Antimicrobial Disk andDilution Susceptibility Tests for Bacteria Isolated fromAnimals Approved Standard. 3rd ed. (M31-A3). CLSI,Wayne, PA.Clinical and Laboratory Standards Institute (CLSI). 2009.Per formance Standards for Ant i m i c robi a lSusceptibility Testing. 19th Informational Supplement(M100-S16). CLSI. Wayne, PA.Diestra1 K, Juan C, Curiao T, Moya B, Miro E, Oteo J,Coque T M, Perez-Vazquez M, Campos J, Canton R,et al. 2009. Characterization of plasmids encodingblaESBL and surrounding genes in Spanish clinicalisol a tes of Escherichia col i and Klebs iel lapneumoniae. Journal of Antimicrobial Chemotherapy,63, 60-66.[7]Eckert C, Gautier V, Arlet G. 2006. Sequence analysis of thegenetic environment of various blaCTX-M genes. Journalof Antimicrobial Chemotherapy, 57, 14-23.[8]He L Y, Lei L C, Jia Y, Lei L C. 2008. Establishment of PCRassay for detection of type 3 funbriae Klebsiellapneumoniae. Chinese Journal of Veterinary Science,28, 261-263. (in Chinese)[9]Jones C H, Tuckman M, Keeney D, Ruzin A, Bradford P A.2009. Characterization and sequence analysis ofextended-spectrum ?-lactamase-encoding eenes fromE. coli, K. pneumoniae, and Proteus mirabilis isolatescollected during tigecycline phase 3 clinical trials.Antimicrobial Agents and Chemotherapy, 53, 465-475.[10]JouiniA, Vinue L, Slama K B, Sáenz Y, Klibi N, Hammami S,Boudabous A, Torres C. 2007. Characterization of CTXMand SHV extended-spectrum ?-lactamases andassociated resistance genes in Escherichia coli strainsof food samples in Tunisia. Journal of AntimicrobialChemotherapy, 60, 1137-1141.[11]Lartigue M, Poirel L, Nordmann P. 2004. Diversity of geneticenvironment of blaCTX-M genes. FEMS MicrobiologyLetters, 234, 201-207.[12]Lartigue M F, Zinsus C, Wenger A, Bille J, Poirel L, Nordmann P. 2007. Extended spectrum ?-lactamases ofthe CTX-M type now in Switzerland. AntimicrobialAgents and Chemotherapy, 51, 2855-2860.[13]Ma J Y, Zeng Z L, Chen Z L, Xu X G, Wang X Y, Deng Y T,Lu D H, Huang L Z, Zhang Y Y, Liu J H, et al. 2009. Highprevalence of plasmid-mediated quinolone resistancedeterminants qnr, aac(6)-Ib-cr, and qepA amongceftiofur-resistant Enterobacteriaceae isolates fromcompanion and f ood-produc ing An imal s .Antimicrobial Agents and Chemotherapy, 53, 519-524.[14]Ma L, Lin C J, Chen J H, Fung C P, Chang F Y, Lai Y K, LinJ C, Siu L K. 2009. Widespread dissemination ofaminoglycoside resistance genes armA and rmtB inKlebsiella pneumoniae isolates in Taiwan producingCTX-M-type extended-spectrum ?-lactamases.Antimicrobial Agents and Chemotherapy, 53, 104-111.[15]Ng L K, Martin I, Alfa M, Mulvey M. 2001. Multiplex PCRfor the detection of tetracycline resistant genes.Molecular and Cellular Probes, 15, 209-215.[16]Pai H, Choi E-H, Lee H-J, Hong Y, Jacoby G A. 2001.Identification of CTX-M-14 extended-spectrum ?-lactamase in clinical isolates of Shigella sonnei,Escherichia coli, and Klebsiella pneumoniae in Korea.[17]Journal of Clinical Microbiology, 39, 3747-3749.[18]Podschun R, Ullmann U. 1998. Klebsiella spp. asnosocomial pathogens: epidemiology, taxonomy, typingmethods, and pathogenicity factors. ClinicalMicrobiology Reviews, 11, 589-603.[19]Poirel L, Lartigue M F, Decousser J W, Nordmann P. 2005.ISEcp1B-mediated transposition of blaCTX-M inEscherichia col i . Antimicrobial Agents andChemotherapy, 49, 447-450.[20]Sáenz Y, Brinas L, Domínguez E, Ruiz J, Zarazaga M, Vila J,Torres C. 2004. Mechanisms of resistance in multipleantibiotic-resistant Escherichia coli strains of human,animal, and food origins. Antimicrobial Agents andChemotherapy, 48, 3996-4001.[21]Saladin M, Cao V T, Lambert T, Donay J L, Herrmann J L,Ould-Hocine Z, Verdet C, Delisle F, Philippon A, ArletG. 2002. Diversity of CTX-M ?-lactamases and theirpromoter regions from Enterobacteriaceae isolated inthree Parisian hospitals. FEMS Microbiology Letters,209, 161-168.[22]Smet A, Martel A, Persoons D, Dewulf J, Heyndrickx M,Cloeckaert A, Praud K, Claeys G, Catry B, Herman L,et al. 2009. Comparative analysis of extended-spectrum-?-lactamase-carrying plasmids from different membersof Enterobacteriaceae isolated from poultry, pigs andhumans: evidence for a shared ?-lactam resistance genepool? Journal of Antimicrobial Chemotherapy, 63,1286-1288.[23]van Vo A T T, Duijkeren E, Fluit A C, Gaastra W. 2007.Characteristics of extended-spectrum cephalosporinresistantEscherichia coli and Klebsiella pneumoniaeisolates from horses. Veterinary Microbiology, 124,248-255.[24]Xu R, Liu J H, Hu G Z, Wu H, Chen Y X. 2011. MultiplexPCR for detection of three tetracycline resistance genesin E. coli isolated from duck. Acta Agricultural Jiangxi,23, 150-152. (in Chinese)[25]Yuan L, Liu J H, Hu G Z, Pan Y S, Liu Z M, Mo J, Wei Y J.2009a. Molecular characterization of extended-spectrum?-lactamase-producing Escherichia coli isolates fromchickens in Henan province, China. Journal of MedicalMicrobiology, 58, 1449-1453.[26]Yuan L, Mo J, Hu G Z, Li Z M, Wang H L. 2009b. Detectionof OXA-type ?-lactamases among 49 strains ofEscherichia coli isolated from chickens. ActaAgricultural Jiangxi, 21, 1-3. (in Chinese) |