Antibiotic Resistance and Plasmid Carriage among Escherichia Coli Isolates From Chicken Meat in Malaysia
Tin, Myaing and Abdul Aziz, Saleha and Abdul Kadir, Arifah and Abdul Rahim, Raha (2005) Antibiotic Resistance and Plasmid Carriage among Escherichia Coli Isolates From Chicken Meat in Malaysia. Applications of Gene-Based Technologies for Improving Animal Production and Health in Developing Countries . pp. 521-527.
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Official URL: http://dx.doi.org/10.1007/1-4020-3312-5_37
Escherichia coli isolates from 131 raw chicken meat samples were tested for susceptibility to 12 antibiotics. Plasmids were isolated from many samples and their DNA molecular weight calculated. An 81.7% plasmid occurrence rate was observed among the isolates, ranging from 0 to 8 in number and with sizes from 1.2 to 118.6 MDa. Plasmids were detected in 93.8% of E. coli isolates resistant to all 12 antibiotics, and in 90.5% of E. coli isolates resistant to 11. Three (2.8%) isolates harboured 8 plasmids and were resistant to all 12 antibiotics. Antibiotic resistant genes in bacteria are usually carried in extrachromosomal DNA and it is postulated that E. coli with a high number of plasmids possesses wider resistance to antibiotics.
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