Virulence pattern of circulating aeromonads isolated from farmed Nile tilapia in Tanzania and novel antibiotic free attenuation of Aeromonas hydrophila strain TZR7-2018
نویسندگان
چکیده
منابع مشابه
Virulence properties of motile aeromonads isolated from farmed frogs Rana tigerina and R. rugulosa.
Virulence factors were compared in Aeromonas species isolated from clinically normal and septicaemic farmed frogs from Thailand. Haemolysin activities against frog erythrocytes were significantly different within the collection of aeromonads. Groups of high haemolytic activity (unspeciated Aeromonas, Au), moderate haemolytic activity (A. hydrophila), and low haemolytic activity (A. veronii biov...
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Backgrounds and Aims: Mastitis is a mammalian disease which is considered important due to its potential economic damages. Trueperella pyogenesis is one of the important opportunistic pathogens of the mammary glands of cattle. This bacterium can produce acute mastitis infection in dairy cattle. In fact, this bacterium has several virulence genes which contribute to its pathogenicity. Therefore,...
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Background and Objective: The healthy people’s fecal flora in the community represents a large potential reservoir. Therefore, the current study aimed to detect antibiotic resistance patterns and virulence factors in Klebsiella pneumoniae isolated from healthy volunteers’ feces. Materials and Methods: Three hundred and fifty stool specimens were collected from sales rep healthy individuals ref...
متن کاملDevelopment and efficacy of novobiocin and rifampicin-resistant Aeromonas hydrophila as novel vaccines in channel catfish and Nile tilapia.
Three attenuated Aeromonas hydrophila vaccines were developed from the virulent 2009 West Alabama isolates through selection for resistance to both novobiocin and rifampicin. When channel catfish (Ictalurus punctatus) were IP injected with 4×105 colony-forming unit (CFU) of the mutants, no fish died. However, when the same age and size matched channel catfish were IP injected with similar amoun...
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Fifty-five Aeromonas hydrophila isolates, which were colected from infected tilapia Oreochromis niloticus at aquaculture farms in Thailand, were tested for their antimicrobial susceptibilities against 11 drugs including ampicilin (ABPC), kanamycin (KM), streptomycin (SM), chloramphenicol (CP), florfenicol (FF), tetracycline (TC), sulfamonomethoxine (SMMX), trimethoprim (TMP) and three quinolone...
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ژورنال
عنوان ژورنال: Aquaculture Reports
سال: 2020
ISSN: 2352-5134
DOI: 10.1016/j.aqrep.2020.100300