N-hexanoyl-L-homoserine lactone-degrading Pseudomonas aeruginosa PsDAHP1 protects zebrafish against Vibrio parahaemolyticus infection

Gopalakrishnan, Vinoj; Jayakumar, R; Chen, Jiann-Chu; Withyachumnarnkul, Boonsirm; Shanthi, S.; Vaseeharan, Baskaralingam

doi:10.1016/j.fsi.2014.10.033

Cited by 19 publications

(6 citation statements)

References 32 publications

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“…In contrast with this, high levels of siderophores from the catechol group were identified in cell-free extracts of Pseudomonas PS-102 (Vijayan et al, 2006) able to inhibit the growth of several Vibrio and Aeromonas spp., suggesting investment in exploitation mechanisms. Similarly, CFCS of AHL-degrading P. aeruginosa strains, isolated from the intestine of F. indicus, was shown to inhibit more than 80% of biofilm formation by V. parahaemolyticus (Vinoj et al, 2015). Pseudomonas spp.…”

Section: Pseudomonasmentioning

confidence: 95%

“…Alternatively, some species can disrupt biofilm formation. For example, Pseudomonas aeruginosa PsDAHP1 (isolated from the Indian prawn Fenneropenaeus indicus ) has been found to antagonise the ability of Vibrio parahaemolyticus to form biofilms in zebrafish gills and intestine, resulting in a much looser architecture and possibly making them more susceptible to antimicrobials (Vinoj et al ., 2015).…”

Section: Competitive Exclusion Of Pathogenic Bacteriamentioning

confidence: 99%

“…indicus , was shown to inhibit more than 80% of biofilm formation by V . parahaemolyticus (Vinoj et al ., 2015). Pseudomonas spp.…”

Section: Probiotic Bacteriamentioning

confidence: 99%

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Probiotics and competitive exclusion of pathogens in shrimp aquaculture

Knipe

Temperton

Lange

et al. 2020

Reviews in Aquaculture

104

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Probiotics, live microorganisms that, when administered in adequate amounts, confer a health benefit on the host, offer an alternative to antibiotics and have become popular among shrimp farmers for use in the regulation of pond water quality, promotion of shrimp growth and the prevention of disease. Most shrimp probiotics are selected for testing based on their ability to competitively exclude pathogens through bacterial antagonism assays, although the mechanisms of pathogen exclusion are rarely investigated. In this review, we provide a comprehensive overview of the mechanisms of competitive exclusion (interference and exploitation competition) by species screened and subsequently identified as shrimp probiotics based on their ability to inhibit the growth of pathogenic bacteria in vitro. We show that the current methods used to identify potential probiotics preferentially select for interference-based competitive mechanisms and may overlook the potential of many species to be considered a probiotic. Furthermore, we show that the efficiency of a probiotic in vivo may be improved by considering the suitability of competitive strategies to shrimp farming conditions. We highlight important limitations and future directions for the screening and identification of probiotics in shrimp aquaculture, to aid in the development of effective and sustainable microbial management strategies.

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Section: Pseudomonasmentioning

confidence: 95%

Section: Competitive Exclusion Of Pathogenic Bacteriamentioning

confidence: 99%

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Probiotics and competitive exclusion of pathogens in shrimp aquaculture

Knipe

Temperton

Lange

et al. 2020

Reviews in Aquaculture

104

View full text Add to dashboard Cite

show abstract

“…The results revealed that probiotic fed fish had significantly higher resistance against A. hydrophila infection (Giri et al, 2012 ). Similarly, oral administration of P. aeruginosa PsDAHP1 inhibited biofilm formation and increased defense mechanisms which per se elevated zebrafish protection from V. parahaemolyticus DAHV2 infection (Vinoj et al, 2015 ).…”

Section: Probiotics and Bacterial Diseases In Fish (Table 1mentioning

confidence: 99%

Probiotics as Means of Diseases Control in Aquaculture, a Review of Current Knowledge and Future Perspectives

et al. 2018

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Along with the intensification of culture systems to meet the increasing global demands, there was an elevated risk for diseases outbreak and substantial loss for farmers. In view of several drawbacks caused by prophylactic administration of antibiotics, strict regulations have been established to ban or minimize their application in aquaculture. As an alternative to antibiotics, dietary administration of feed additives has received increasing attention during the past three decades. Probiotics, prebiotics, synbiotics and medicinal plants were among the most promising feed supplements for control or treatments of bacterial, viral and parasitic diseases of fish and shellfish. The present review summarizes and discusses the topic of potential application of probiotics as a means of disease control with comprehensive look at the available literature. The possible mode of action of probiotics (Strengthening immune response, competition for binding sites, production of antibacterial substances, and competition for nutrients) in providing protection against diseases is described. Besides, we have classified different pathogens and separately described the effects of probiotics as protective strategy. Furthermore, we have addressed the gaps of existing knowledge as well as the topics that merit further investigations. Overall, the present review paper revealed potential of different probiont to be used as protective agent against various pathogens.

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“…The effect of AiiA-AgNPs on H.pylori biofilm formation was tested as mentioned previously [31]. Briefly, overnight grown culture of H. pylori ATCC 43504 was diluted to 1:100 in fresh BHI medium in the presence of AgNO 3 (2 µM), AiiA alone (120 U/ml), and different concentrations (1-5 µM) of AiiA-AgNPs in a 96-well microtiter plate and incubated for 48 h at 37°C.…”

Section: Biofilm and Ahl-lactonase Activity Bioassaymentioning

confidence: 99%

Influence of N‐acylhomoserine lactonase silver nanoparticles on the quorum sensing system of Helicobacter pylori: A potential strategy to combat biofilm formation

et al. 2020

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The treatment of Helicobacter pylori usually fails due to their ability to form biofilms and resistance to antibiotics. This might potentially lead to gastric carcinoma and mucosa‐associated lymphoid tissue lymphoma. In the present study, we elucidate the potential role of N‐acylhomoserine lactonase stabilized silver nanoparticles (AiiA‐AgNPs) in treating biofilms produced by H. pylori. AiiA‐AgNPs inhibited quorum sensing (QS) by degradation of QS molecules, thereby reducing biofilm formation, urease production, and altering cell surface hydrophobicity of H. pylori. AiiA‐AgNPs showed no cytotoxic effects on RAW 264.7 macrophages at the effective concentration (1–5 µM) of antibiofilm activity. In addition, AiiA‐AgNP in high concentration (80–100 µM) exhibited cytotoxicity against HCT‐15 carcinoma cells, depicting its therapeutic role in treating cancer.

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N-hexanoyl-L-homoserine lactone-degrading Pseudomonas aeruginosa PsDAHP1 protects zebrafish against Vibrio parahaemolyticus infection

Cited by 19 publications

References 32 publications

Probiotics and competitive exclusion of pathogens in shrimp aquaculture

Probiotics and competitive exclusion of pathogens in shrimp aquaculture

Probiotics as Means of Diseases Control in Aquaculture, a Review of Current Knowledge and Future Perspectives

Influence of N‐acylhomoserine lactonase silver nanoparticles on the quorum sensing system of Helicobacter pylori: A potential strategy to combat biofilm formation

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