Antibiotic susceptibility and resistance of Streptococcus iniae and Streptococcus parauberis isolated from olive flounder (Paralichthys olivaceus)

Park, Yon-Kyoung; Nho, Seong Won; Shin, Gee-Wook; Park, Seong-Bin; Jang, Ho Bin; Cha, In-Seok; Ha, Mi-Ae; Kim, Young-Rim; Dalvi, R. S.; Kang, Bongjo; Jung, Taehun

doi:10.1016/j.vetmic.2008.10.002

Cited by 74 publications

(60 citation statements)

References 25 publications

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“…The antibiotic resistance patterns of Streptococcus species from food products and humans have been investigated [36,37,38,39]. In the present study large proportions (75.0% to 100%) of the isolates were most often resistant to penicillin G, vancomycin, and erythromycin.…”

Section: Discussionmentioning

confidence: 68%

“…Moreover, Streptococcus species have been reported to marked susceptibility to β-lactam antibiotics [37] and this is contrary to our finding. S. iniae isolates obtained from olive flounder (Paralichthys olivaceus) displayed susceptibility to cefotaxime, erythromycin, ofloxacin, penicillin, tetracycline and vancomycin when compared S. parauberis isolates that were highly resistant to erythromycin and tetracycline [38]. It is therefore suggested that the antibiotic resistance patterns of isolates within the same genus may differ despite the fact that they occupy the same ecological niche.…”

Section: Discussionmentioning

confidence: 99%

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Antimicrobial Activity of 1,3 Dihydroxy-2-Methylimidazolium Bis (Trifluoromethylsulfonyl) Imde and Selected Antibiotics Against <i>Streptococcus</i> Species Isolated from Groundwater in the Northwest Province, South Africa

Ateba¹,

Morare²,

Ebenso³

2014

JFNR

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In developing countries, access to unsafe water and inadequate sanitation continue to be a danger to human health and untreated groundwater constitutes one of the main sources of drinking water supply. The consumption of untreated contaminated groundwater has frequently been identified as a potential source for the transfer and spread of both antibiotic resistant bacteria strains and waterborne infections among humans. Antibiotics are used for the treatment of bacterial infections and therefore the emergence of drug resistant bacterial strains has huge clinical implications. Faced with the rapid growth of bacterial resistance to a number of commonly used antibiotics, ionic liquids are attracting increasing attention as agents that could serve as antimicrobial agents. The aim of this study was to isolate, identify and determine the antimicrobial activity of an ionic liquid and selected antibiotics against Streptococcus species isolated from groundwater samples. A total of 22 samples were collected from borehole taps in some villages in the Northwest Province and analysed for the presence of streptococci. Gramstaining, catalase test, oxidase test and Prolex Streptococcal Grouping Latex assays were used for bacteria identification. The growth inhibitory effect of the ionic liquid 1,3 dihydroxy-2-methylimidazolium bis (trifluoromethylsulfonyl) imide and selected antibiotics was determined. One hundred and seventy six presumptive isolates were obtained and screened for characters of streptococci and 165 isolates were obtained. All the isolates were Gram positive cocci; a large proportion (92.7%) was oxidase negative and only 51.5% were catalase negative. Based on serotyping, 86.7% of the isolates were positively identified as streptococci. All the isolates from Motlhabeng, Stella and Taung were resistant to penicillin G. Moreover, large proportions (75.0% to 95.8%) of these isolates were resistant to vancomycin. All the isolates except a large proportion of those from Stella (88%) and Taung (83%) were found to be more susceptible (22.5% to 50%) to chloramphenicol. Generally, the growth inhibition zone diameter for 1,3 dihydroxy-2-methylimidazolium bis (trifluoromethylsulfonyl) imide against the isolates ranged from 6 to 9 mm and 9 to 22mm for 1% and 10% solutions respectively. In conclusion multi-drug resistant streptococci were isolated from groundwater intended for human consumption. Isolates were however susceptible to the IL tested and the antimicrobial effect increased with increase in concentration of the IL.

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Section: Discussionmentioning

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Antimicrobial Activity of 1,3 Dihydroxy-2-Methylimidazolium Bis (Trifluoromethylsulfonyl) Imde and Selected Antibiotics Against <i>Streptococcus</i> Species Isolated from Groundwater in the Northwest Province, South Africa

Ateba¹,

Morare²,

Ebenso³

2014

JFNR

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“…It is the main etiological agent of streptococcosis also caused by Streptococcus and Lactococcus spp., in a variety of fresh and saltwater fish species in worldwide and results in estimated losses $150 million in annually (Shoemaker and Klesius, 1997). Because, antibiotic resistance of S. iniae has been reported widely in the world (Park et al, 2009), there is urgent need to find other approaches for the treatment and prevention of this infection. Over the last decade vaccination has become important for the prevention of infectious diseases in farmed fish (Gudding et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Responses of monosex nile tilapia (Oreochromis niloticus) to intraperitoneal challenge by Streptococcus iniae after vaccination with ghosts of the bacterium

et al. 2012

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The vaccine potential of Streptococcus iniae ghosts produced by gene E mediated lysis was investigated using tilapia (Oreochromis niloticus). Tilapia immunized with S. iniae ghosts (SIG) and formalin killed S. iniae (FKC) vaccines showed significantly higher serum agglutination titres than control fish. Fish immunized with SIG showed no significant differences with fish immunized with FKC in serum agglutination titres, but showed significantly higher bactericidal activity than fish immunized with FKC. Furthermore, fish immunized with SIG showed higher protection than fish immunized with FKC. As this promising type of a non-living whole cell envelope preparation seems to be favorable over conventional vaccines, we suggest S. iniae ghosts as a new vaccine candidate. (Bangl. vet.

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“…A wide range of antibiotics are being used to control the spread of aquatic pathogens (Santos and Ramos, 2016). Indiscriminate and irrational use of antibiotics has led to the emergence of drug resistant strains of several fish bacterial pathogens such as Streptococcus iniae, Edwardsiella tarda and Aeromonas hydrophila (Vivekanandhan et al, 2002;Park et al, 2009;Wei et al, 2011). These bacterial pathogens cause disease outbreak and mortality in farmed fishes which adversely affects profitability of aquaculture as well as public health (Vivekanandhan et al, 2002;Park et al, 2009;Wei et al, 2011).…”

mentioning

confidence: 99%

Antimicrobial activities of thiazole, imidazolidine, tetrahydropyrimidine derivatives and silver/polyvinyl alcohol nanocomposites against selected zoonotic fish bacterial pathogens

Ghasemi¹,

Beyzaei²,

Hashemi³

et al. 2017

Indian J. Fish.

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One of the serious problems faced by health and food security is the spread of drug-resistant zoonotic aquatic bacterial pathogens. For this reason, identification and application of new antibacterial agents are required. In this study, inhibitory effects of thiazole, imidazolidine and tetrahydropyrimidine derivatives and silver/polyvinyl alcohol (Ag/PVA) nanocomposites were evaluated against three important zoonotic fish bacterial pathogens namely Streptococcus iniae, Edwardsiella tarda and Aeromonas hydrophila. Ag/PVA nanocomposite was found to inhibit growth of all tested bacteria, the highest activity was observed against S. iniae with minimum inhibitory concentration (MIC) of 256 μg ml-1 and inhibition zone diameter (IZD) of 10.2 mm. No inhibitory effects were observed with imidazolidines10a-c, tetrahydropyrimidines 10d-e and thiazoles 6a-c. Among heterocyclic compounds, only thiazole derivatives 6d and 8 had inhibitory effects onS. iniae and E. tarda with MIC values of 32-256 μg ml-1 but lacked antibacterial activity against A. hydrophila.

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Antibiotic susceptibility and resistance of Streptococcus iniae and Streptococcus parauberis isolated from olive flounder (Paralichthys olivaceus)

Cited by 74 publications

References 25 publications

Antimicrobial Activity of 1,3 Dihydroxy-2-Methylimidazolium Bis (Trifluoromethylsulfonyl) Imde and Selected Antibiotics Against <i>Streptococcus</i> Species Isolated from Groundwater in the Northwest Province, South Africa

Antimicrobial Activity of 1,3 Dihydroxy-2-Methylimidazolium Bis (Trifluoromethylsulfonyl) Imde and Selected Antibiotics Against <i>Streptococcus</i> Species Isolated from Groundwater in the Northwest Province, South Africa

Responses of monosex nile tilapia (Oreochromis niloticus) to intraperitoneal challenge by Streptococcus iniae after vaccination with ghosts of the bacterium

Antimicrobial activities of thiazole, imidazolidine, tetrahydropyrimidine derivatives and silver/polyvinyl alcohol nanocomposites against selected zoonotic fish bacterial pathogens

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