Study on the Differences of Prevalence and Drug Resistance of Enterococcus Species of Human and Animal Origins in Henan Province,China |
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| Authors: | LIU Jia CHEN Xia ZHAO Ai-lan YUAN Min XIONG Yan-wen GONG Lin LU Jin-xing LI Juan LIANG Jian-qin |
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| Institution: | 1. Hebei North University, Zhangjiakou 075000, China;2. State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China;3. Department of Tuberculosis, Hospital of the PLA 309, Beijing 100091, China |
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| Abstract: | The assay was aimed to evaluate the differences of prevalence and drug resistance of Enterococcus species among human, broilers and swines in Henan province, China. Totally 220 stool samples were collected, and identified by 16S rDNA sequence analysis and the Rapid ID 20 Strep System. There were significant differences among the total isolation rate of Enterococcus, isolation rate of E.faecalis, isolation rate of E.faecium in 3 different origins (P<0.05).A total of 156 (70.91%) Enterococcus spp. isolates were recovered. The isolation rate of Enterococcus from swine origin was the highest (86.00%), while human origin was the lowest (62.63%), There were significant differences between the isolation rates of swine and human origns (P<0.018). The most predominant specie was E.faecium (31.36%) in human, while in broilers and swines were E.faecalis (28.17% and 32.00%, respectively). All isolates were sensitive to vancomycin and teicoplanin. The resistant rate of many multidrug-resistant (MDR) of the isolates from human, broilers and swines were statistically significant (P<0.05).The resistant rates of isolates from human origin Enterococcus spp.to erythromycin (69.35%), ciprofloxacin (37.10%) and ampicilin (19.35%) were higher than those from broiler origin and swine origin. The isolates resistant rates to tetracycline (88.24%), florfenicol (11.76%) and chloramphenicol (21.57%) from broiler origin Enterococcus spp. were higher than those from the other two origins, respectively. The MDR rates of human (35.48%) and broiler (30.19%) origins isolates were higher than swine origin (7.84%). The observation in this study suggested that the prevalence and drug resistance of Enterococcus spp. from human, broilers and swines in Henan province were different, and the MDR isolates were prevalent in various origins Enterococcus. More attention should be given on investigation and research of the resistance of Enterococcus among human and animals to better understand the epidemic of the antidrug-resistant Enterococcus and minimize the spread of it effectively. |
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| Keywords: | Enterococcus spp isolation rate drug resistance difference |
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