Antibiofilm Activity of Biosurfactant Producing Coral Associated Bacteria Isolated from Gulf of Mannar

Padmavathi, Alwar Ramanujam; Pandian, Shunmugiah Karutha

doi:10.1007/s12088-014-0474-8

Cited by 60 publications

(45 citation statements)

References 36 publications

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“…1A). In a previous report, coral associated bacteria inhibited 79-89 % of P. aeruginosa ATCC10145 biofilm [28]. In a previous report methanolic extract of pomegranate showed maximum of 90 % biofilm inhibition at 150 lg concentration against S. aureus, MRSA and E. coli [29].…”

Section: Resultsmentioning

confidence: 78%

“…In previous report marine bacteria inhibited cell surface hydrophobicity against Gram Negative and Gram Positive bacteria [31]. In a work done by Padma and Pandian [28] culture free supernatant of Coral associated bacteria showed 70-92 % of CSH inhibition against P. aeruginosa ATCC10145. Thiazolidione derivatives (H2-38 and H2-81) inhibited the biofilm of Staphylococcus epidermis at the concentration of 12.5 and 6.3 lM, respectively [37].…”

Section: Resultsmentioning

confidence: 85%

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Biofilm Inhibitory Effect of Spirulina platensis Extracts on Bacteria of Clinical Significance

LewisOscar

Nithya

Bakkiyaraj

et al. 2015

Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci.

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Spirulina platensis is one of the most potential microalgae explored for antibacterial, antiviral and anticancerous properties. However, its antibiofilm potential has not been studied. Biofilms are of significant interest as they confer resistance towards antimicrobials and host immunity both in diverse group of bacteria. Exploring Spirulina towards the biofilm would give an easy way of treatment against bacterial pathogens. In this milieu, the antibiofilm potentials of organic extracts prepared from S. platensis was revealed. The results clearly showed that methanolic extract of S. platensis at a concentration of 100 ng mL -1 efficiently inhibited the biofilms of Vibrio parahaemolyticus (ATCC17802), Chromobacterium violaceum (ATCC 12742) and Vibrio alginolyticus (ATCC17749) about 90, 89 and 88 % respectively. Significant reduction in cell surface hydrophobicity was documented for Aeromonas hydrophila (MTCC1739), Escherichia coli (MTCC 739) and Staphylococcus aureus (MTCC 96 and 2940). Besides the inhibition of extracellular polymeric substances in A. hydrophila (MTCC1739) and S. aureus (MTCC2940) was about 88 and 71 % respectively. The availability of Spirulina as nutritious food makes it as a foremost contender against bacterial biofilm. The present study reveals the antibiofilm potential of S. platensis against a broad spectrum of both Gram Positive and Gram Negative bacteria. S. platensis effectively inhibited the biofilm of Vibro spp., a major menace in aquaculture industries. Further characterization and purification of the active compounds could be a major remedy against biofilm forming bacteria.

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Section: Resultsmentioning

confidence: 78%

Section: Resultsmentioning

confidence: 85%

Biofilm Inhibitory Effect of Spirulina platensis Extracts on Bacteria of Clinical Significance

LewisOscar

Nithya

Bakkiyaraj

et al. 2015

Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci.

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“…DspB in combination with Triclosan is now marketed in gel preparations for the treatment of wound and skin infections and for disinfection of medical devices, suggesting that combinations of antimicrobials and EPS-degrading enzymes can represent a powerful tool for biofilm eradication in these settings (Donelli, Francolini et al, 2007;Eckhart, Fischer, Barken, Tolker-Nielsen, & Tschachler, 2007 (Gawande, Leung, & Madhyastha, 2014). Finally, a combination of triclosan and DspB showed synergistic anti-biofilm activity against S. aureus, S. epidermidis , and E. coli (Darouiche, Mansouri, Gawande, & Madhyastha, 2009 (Banat, Franzetti et al, 2010;Díaz De Rienzo, Stevenson, Marchant, & Banat, 2015;Makkar & Rockne, 2003, Md, 2012Padmavathi & Pandian, 2014). The high antimicrobial, antiadhesive and strong dispersal properties of BSs make them hopeful agents for eradicating biofilms (some BSs that inhibit biofilm formation are listed in Table 3) (Krasowska, 2010 (Hassan & Mohammad, 2015) Acinetobacter indicus NS NS Treatment of biofilms for seven days at 500 μg/ml resulted in up to 82.5% biofilm disruption (Karlapudi et al, 2018) B. subtilis Lipopeptide surfactin, iturin and fengycin Biofilm formation on uropathogenic bacteria reduced (Moryl, Spętana et al, 2015) Corynebacterium xerosis Lipopeptide Coryxin Disrupted preformed biofilms of E. coli (66%), S. mutans (80%), S. aureus (82.5%), and P. aeruginosa (30%).…”

Section: Dispersinbmentioning

confidence: 99%

Advanced strategies for combating bacterial biofilms

Sharahi

Azimi

Shariati

et al. 2019

Journal Cellular Physiology

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Biofilms are communities of microorganisms that are formed on and attached to living or nonliving surfaces and are surrounded by an extracellular polymeric material. Biofilm formation enjoys several advantages over the pathogens in the colonization process of medical devices and patients' organs. Unlike planktonic cells, biofilms have high intrinsic resistance to antibiotics and sanitizers, and overcoming them is a significant problematic challenge in the medical and food industries. There are no approved treatments to specifically target biofilms. Thus, it is required to study and present innovative and effective methods to combat a bacterial biofilm. In this review, several strategies have been discussed for combating bacterial biofilms to improve healthcare, food safety, and industrial process.

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“…The first two are often associated with PAH degradation [65,66], Psychrobacter is known to degrade alkanes [67] and Marinobacter has been reported to degrade both types of PHs [61]. BSF production under aerobic conditions was also observed in these four genera [68][69][70][71]. However, anaerobic BSF production had not been reported for the first three (Brevundimonas, Staphylococcus and Psychrobacter).…”

Section: Isolation and Identification Of Isolatesmentioning

confidence: 99%

Biosurfactant Production in Sub-Oxic Conditions Detected in Hydrocarbon-Degrading Isolates from Marine and Estuarine Sediments

Domingues

Oliveira

Serafim

et al. 2020

IJERPH

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Hydrocarbon bioremediation in anoxic sediment layers is still challenging not only because it involves metabolic pathways with lower energy yields but also because the production of biosurfactants that contribute to the dispersion of the pollutant is limited by oxygen availability. This work aims at screening populations of culturable hydrocarbonoclastic and biosurfactant (BSF) producing bacteria from deep sub-seafloor sediments (mud volcanos from Gulf of Cadiz) and estuarine sub-surface sediments (Ria de Aveiro) for strains with potential to operate in sub-oxic conditions. Isolates were retrieved from anaerobic selective cultures in which crude oil was provided as sole carbon source and different supplements were provided as electron acceptors. Twelve representative isolates were obtained from selective cultures with deep-sea and estuary sediments, six from each. These were identified by sequencing of 16S rRNA gene fragments belonging to Pseudomonas, Bacillus, Ochrobactrum, Brevundimonas, Psychrobacter, Staphylococcus, Marinobacter and Curtobacterium genera. BSF production by the isolates was tested by atomized oil assay, surface tension measurement and determination of the emulsification index. All isolates were able to produce BSFs under aerobic and anaerobic conditions, except for isolate DS27 which only produced BSF under aerobic conditions. These isolates presented potential to be applied in bioremediation or microbial enhanced oil recovery strategies under conditions of oxygen limitation. For the first time, members of Ochrobactrum, Brevundimonas, Psychrobacter, Staphylococcus, Marinobacter and Curtobacterium genera are described as anaerobic producers of BSFs. microorganisms have been identified as capable of producing BSF in anaerobiosis, with most of these belonging to the Bacillus and Pseudomonas genera [8].Hydrocarbonoclastic bacteria are characterized as being able to metabolize one or more PHs by using them as carbon and energy sources, usually preferring these substrates over others [9][10][11]. These bacteria are ubiquitous and can be found both in aerobic and anaerobic environments [12][13][14]. Natural anaerobic biodegradation of PHs occurs primarily in deep subsurface oil reservoirs [15], in the deep ocean near natural seeps [16,17] and in most microaerobic or anaerobic environments contaminated with PHs [18][19][20].While most of the deep-sea is characterized by low energy, productivity and biological activity rates [21], metabolic activity and biomass is higher in locations where seepage of PHs and other compounds occurs from within deep sediment layers to the seabed, such as hydrothermal vents and cold seeps [22,23]. Cold seeps, including mud volcanoes (MVs), are geologically diverse ecosystems associated with emissions of methane, other PHs and, often, reduced sulfate from the subsurface [24]. Deep-sea sediments, which are often anoxic below a thin upper layer [25], are known sinks for aliphatic and aromatic hydrocarbons [26,27]. Furthermore, bacterial communities from deep-sea surface sedi...

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Antibiofilm Activity of Biosurfactant Producing Coral Associated Bacteria Isolated from Gulf of Mannar

Cited by 60 publications

References 36 publications

Biofilm Inhibitory Effect of Spirulina platensis Extracts on Bacteria of Clinical Significance

Biofilm Inhibitory Effect of Spirulina platensis Extracts on Bacteria of Clinical Significance

Advanced strategies for combating bacterial biofilms

Biosurfactant Production in Sub-Oxic Conditions Detected in Hydrocarbon-Degrading Isolates from Marine and Estuarine Sediments

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