淡水养殖动物致病性嗜水气单胞菌ERIC-PCR分型与耐药性

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淡水养殖动物致病性嗜水气单胞菌ERIC-PCR分型与耐药性
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                        肖丹肖丹
上海海洋大学 水产与生命学院, 国家水生动物病原库, 上海 201306
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曹海鹏曹海鹏
上海海洋大学 水产与生命学院, 国家水生动物病原库, 上海 201306
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胡鲲胡鲲
上海海洋大学 水产与生命学院, 国家水生动物病原库, 上海 201306
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杨先乐杨先乐
上海海洋大学 水产与生命学院, 国家水生动物病原库, 上海 201306
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作者单位:上海海洋大学 水产与生命学院, 国家水生动物病原库, 上海 201306
作者简介:肖丹(1986−)，女，硕士研究生，主要从事水产病原微生物流行病学研究. E-mail：xiaodan86@yahoo.cn
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中图分类号:S94
基金项目:国家863计划项目(2011AA10A216); 农业部行业专项(200803013); 国家公益性行业专项(nycytx-49-17).

ERIC-PCR genotyping and drug resistant of pathogenic Aeromonas hydrophila from freshwater animals

Author:

XIAO Dan
XIAO Dan
College of Fisheries and Life Science, Shanghai Ocean University, State Collection Centre of Aquatic Pathogen, Shanghai 201306, China
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CAO Haipeng
CAO Haipeng
College of Fisheries and Life Science, Shanghai Ocean University, State Collection Centre of Aquatic Pathogen, Shanghai 201306, China
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HU Kun
HU Kun
College of Fisheries and Life Science, Shanghai Ocean University, State Collection Centre of Aquatic Pathogen, Shanghai 201306, China
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YANG Xianle
YANG Xianle
College of Fisheries and Life Science, Shanghai Ocean University, State Collection Centre of Aquatic Pathogen, Shanghai 201306, China
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Affiliation:

College of Fisheries and Life Science, Shanghai Ocean University, State Collection Centre of Aquatic Pathogen, Shanghai 201306, China

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摘要:

株分别采集于中国浙江、江苏、江西、广东、湖北、上海等主要淡水养殖区的致病性嗜水气单胞菌以上的菌株对氨基糖苷类及喹诺酮类抗生素未产生耐药性。受试菌株对Ⅺ型

关键词:嗜水气单胞菌; ERIC-PCR; 耐药性

Abstract:

The freshwater aquiculture industry has developed rapidly in China. As a result, China has become the largest producer of freshwater cultured fish in the world. , a widely distributed freshwater bacterial pathogen that is thought to cause disease in a range of aquatic animals. For example, is thought to cause bacterial septicemia in fish and red abdominal shell diseases in soft-shelled have resulted in significant economic losses to the aquaculture industry. In addition, is a zoonotic pathogen, sometimes causing gastroenteritis and septicemia in humans. Our objective was to document the epidemiological characteristics of pathogenic to provide insight into potential measures to prevent and control infections. We genotyped pathogenic strains collected from a variety of sources, determined their drug susceptibility, and evaluated the relationship between genotype and antimicrobial resistance patterns. We used collected and Guangdong.is a more rapid, efficient, andmolecular typing method than the traditional serotyping methods. In addition, we evaluated the susceptibility of each isolate to 12 antibacterial drugs and determined the relationship between the genotype and the antimicrobial resistance pattern. XII) from the 50 isolates. Among these, genotype VII was the dominant genotype, consisting of 14 strains, whereas genotype III and X contained only one strain. All strains were resistant to ampicillin and 98% of the strains were resistant to cefalexin. However, >94% of the strains were susceptible to aminoglycosides and quinolones. We identified 9 patterns of drug-resistance: AMP, CX/AMP, CX/AMP/POL, CX/AMP/SMZ, CX/AMP/NM, CX/AMP/SMZ/POL, CX/AMP/SMZ/POL/GM, CX/AMP/ SMZ/LOM/ENR, and CX/AMP/SMZ/LOM/ENR/OF/LEV. The twelve strain genotypes shared a common pattern of drug resistance (CX/AMP/POL). Similarly, the majority of genotypes within strain II and XI shared a common pattern ofdrugresistance (CX/AMP/SMZ). The drug-resistant pattern of most genotypes within strains IV, VI, and VIII was CX/AMP and for strain X the pattern was CX/AMP/NM. Thus, our results suggest that there is likely a correlation between the genotype and drug-resistance among strains.

Key words:Aeromonas hydrophila; ERIC-PCR; resistant spectrum

一株从草鱼中分离的嗜水气单胞菌的病原学及基因组特征[J].水产学报,2019,43(4):1181-1191.

[2]靳恒,李忠琴,罗鸣钟,韩金钢,关瑞章.5种中草药和9种抗生素对养殖鳗鲡主要致病菌的抑制作用[J].安徽农业科学,2012,40(32):15737-15740.

[3]叶诗尧,梁利国,谢骏.嗜水气单胞菌ERIC-PCR指纹图谱多样性研究[J].上海海洋大学学报,2014,23(2):167-172.

[4]徐先栋,付辉云,饶毅,盛银平,王海华,傅义龙,李彩刚,周永灿.草鱼暴发性出血病病原分离、毒力基因检测与药敏分析[J].上海海洋大学学报,2016,25(3):350-358.

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肖丹,曹海鹏,胡鲲,杨先乐.淡水养殖动物致病性嗜水气单胞菌ERIC-PCR分型与耐药性[J].中国水产科学,2011,18(5):1092-1099
XIAO Dan, CAO Haipeng, HU Kun, YANG Xianle. ERIC-PCR genotyping and drug resistant of pathogenic Aeromonas hydrophila from freshwater animals[J]. Journal of Fishery Sciences of China,2011,18(5):1092-1099

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在线发布日期: 2011-10-08
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