广州市香港海鸥型菌红霉素耐药性与基因分析

doi:10.3969/j.issn.1002-2694.2020.00.041

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Abstract To understand the resistance of Laribacter hongkongensis(LH) to erythromycin and the distribution of erythromycin resistance genes in Guangzhou. The strains were collected from the Department of Clinical Laboratory of the First Affiliated Hospital of Guangzhou Medical University, 122 strains were isolated from the intestines of frog and grass carp. The erythromycin antibiotic resistance of LH was determined by KB method. The erythromycin resistance genes ereA, ereB, ermA, ermB, ernC, MefA/E, mphA, and SAT4 were detected by PCR. The PCR products with positive results were subjected to sequencing analysis. The resistance rate of LH to erythromycin was 28.7%, among which the resistance rate of frog source strain was 35.1%, and that of fish source strain was 25.9%. Among the 35 strains resistant to erythromycin, the ereA gene detection rate was 30.8% in frog source strain, while the ereA gene was not detected in the fish source strain. These results iudicated that the erythromycin resistance rate of LH is high in Guangzhou. The erythromycin resistance rate of frog source is higher than that of fish source. The erythromycin resistance of LH from frog is related to the ereA gene.

Key words： Laribacter hongkongensis erythromycin drug resistance resistance gene

Received: 18 July 2019

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Fund:Supported by the 2018 Guangdong Natural Science Foundation (No. 2018A030313279), 2018 Student Laboratory Open Project of Guangzhou Medical University and 2019-2020 Student Science and Technology Innovation Project (No. 2018A091)

Corresponding Authors: Yu lin,Email:1422630578@qq.com

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	ZHANG Zeng-feng
	ZHANG Bing-chun
	WANG Pan-pan
	CHEN Ding-qiang
	ZHAO Yu-ling
	YU Lin

Cite this article:

ZHANG Zeng-feng,ZHANG Bing-chun,WANG Pan-pan等. Resistance and genetic analysis of erythromycin in Laribacter Hongkongensis in Guangzhou[J]. Chinese Journal of Zoonoses, 2020, 36(4): 309-312.

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http://www.rsghb.cn/EN/10.3969/j.issn.1002-2694.2020.00.041 OR http://www.rsghb.cn/EN/Y2020/V36/I4/309

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