副猪嗜血杆菌四川株生物学特性及药物敏感性研究

doi:10.16431/j.cnki.1671-7236.2015.06.036

Abstract

Abstract: The study was aimed to investigate the biological characsteristics and drug sensitive tests of Haemophilus parasuis isolated in Sichuan province.This paper reported the biological characteristics,16S rRNA gene PCR and drug sensitive test of the isolates by technique of microbiological and molecular biology.The results showed that the isolates had micro anaerobic and could produce satellite phenomenon,the isolates were just same in biochemical characteristics with field isolates in other area.All the isolates amplified 821 bp 16S rRNA gene.And drug sensitive tests showed that the isolates were highly sensitive to cefradine,ampicillin,cefradine,amoxicillin,cefaclor,ofloxacin,cefotaxime and furadantin,the sensitive rate was 75.61% to 87.80%,but the isolates were high resistance to lincomycin,carbenicillin,enrofloxacin,amikacin and sulfamethoxazole,and multiple-drug resistance was found among the isolates,the number of bacterial strains resistant to antibiotics were more between five and eight,the resisitance strains were 21.95% to 30.49%,7 isolates were even resistant to 13 antibiotics.The results showed the phenomenon of drug resistance of the isolates was very serious.

Key words: Haemophilus parasuis; biological characsteristics; 16S rRNA gene; drug sensitivity

CLC Number:

S858.28

YU Ji-feng, WANG Wen-gui, WEI Yong, LIN Yi, LI Xing-yu, YE Jian-qiang, ZHANG Xian-hui, LI Jiang-ling, LIAO Dang-jin. Study on Biological Characteristics and Drug Sensitivity of Haemophilus parasuis Isolated in Sichuan Province[J]. , 2015, 42(6): 1566-1570.

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Study on Biological Characteristics and Drug Sensitivity of Haemophilus parasuis Isolated in Sichuan Province

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