Biogenic AgNPs synthesized via endophytic bacteria and its biological applications

Ahmed, M Shariq; Soundhararajan, Ranjani; Akther, Tahira; Kashif, Mohammad; Khan, Jasim; Mohammad, Waseem; Hemalatha, S.

doi:10.1007/s11356-019-05869-6

Cited by 41 publications

(7 citation statements)

References 22 publications

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“…Similarly, SRB assay measures the amount of protein present in viable cells. Therefore, the therapeutic interventions of CANCs encapsulated molecules might be challenging chemoprevention candidate, with its ameliorative efficacy in cancers, including breast cancer (Shariq et al 2019).…”

Section: Discussionmentioning

confidence: 99%

“…Cytotoxicity was measured based on the conversion of MTT to formazan crystals by mitochondrial dehydrogenases (Shariq et al 2019;Waseem et al 2017). Briefly, 2 × 10 3 cells per well were seeded on poly-l-lysine precoated 96 well culture plates and allowed to adhere for 24 h in 5% CO 2 incubator at 37 °C.…”

Section: Cytotoxicity Assaymentioning

confidence: 99%

“…There is a lack of evidence on therapeutic paradigm for regulation and possible treatment against breast cancers (Rohini et al 2019). Human breast cancer MCF-7 cells are well chosen experimental model all over the globe (Shariq et al 2019). No reports published on the targeted therapy of CANCs against breast cancer in an in vitro and in vivo system.…”

Section: Introductionmentioning

confidence: 99%

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Multi potent aromatic nano colloid: synthesis, characterization and applications

et al. 2020

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In this study the aromatic nanocolloids (CANCs) are synthesized using the noble metal silver by using Citronella extract and confirmed through physio chemical analysis. The synthesised CANCs were evaluated for its antimicrobial activity and antibiofilm activity against pathogenic biofilm forming E. coli. In addition, synthesized CANCs were evaluated for the expression of virulent genes encoding AmpC and CTX-M-15. The results confirmed that CANCs showed effective antimicrobial activity through its bacteriostatic, bactericidal and quorum quencher activity and downregulated CTX-M-15 gene. CANCs were validated as alternate to the commercial fungicides to control plant pathogenic fungi such as A. niger MTCC (281), Fusarium graminearum MTCC (2089) and F. udum MTCC (2204). Furthermore, analysis of CANCs on breast cancer (MCF-7) cells under in vitro condition showed that the cytotoxicity of CANCs is dose dependent. Thus, the multifunctional CANCs can be utilized as potential antimicrobial, antifungal and anticancer agent.

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Section: Discussionmentioning

confidence: 99%

Section: Cytotoxicity Assaymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Multi potent aromatic nano colloid: synthesis, characterization and applications

et al. 2020

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“…According to Shariq Ahmed et al (2019), Ag NPs synthesized by an endophytic bacterium isolated from the tropical plant Pennisetum setaceum inhibited the growth of Escherichia coli (ATCC 25922), Klebsiella pneumoniae (ATCC 35657), Acinetobacter baumannii (ATCC 19606), Pseudomonas aeruginosa (ATCC 27853), Salmonella typhimurium (ATCC 14028) and Staphylococcus aureus (MTCC 1430). Furthermore, these nanoparticles were also able to reduce biofilm formation, being the inhibition of pathogens attributed to the action of NPs on the cell walls of the indicators.…”

Section: Antimicrobial and Biofilm Activitiesmentioning

confidence: 99%

Endophytic Microorganisms From the Tropics as Biofactories for the Synthesis of Metal-Based Nanoparticles: Healthcare Applications

Bogas

Rodrigues

Gonçalves

et al. 2022

Front. Nanotechnol.

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Nanoparticles (NPs) have gained great attention in recent years due to their extensive and innovative applications in the field of medicine. However, conventional physicochemical approaches for the synthesis of NPs may be limited and costly, and the reaction by-products are potentially toxic for human health and the environment. Bio-mediated synthesis of NPs exploiting microorganisms as nanofactories has emerged as an alternative to traditional methods, as it provides economic and environmental benefits. Tropical ecosystems harbor a high diversity of endophytes, which have a diverse array of metabolic pathways that confer habitat adaptation and survival and that can be used to produce novel bioactive compounds with a variety of biological properties. Endophytic bacteria and fungi cultivated under optimum conditions have potential for use in biogenic synthesis of NPs with different characteristics and desired activities for medical applications, such as antimicrobial, antitumoral, antioxidant and anti-inflammatory properties. The bio-mediated synthesis of metal-based NPs can be favored because endophytic microorganisms may tolerate and/or adsorb metals and produce enzymes used as reducing agents. To our knowledge, this is the first review that brings together exclusively current research highlighting on the potential of endophytic bacteria and fungi isolated from native plants or adapted to tropical ecosystems and tropical macroalgae as nanofactories for the synthesis of NPs of silver, gold, copper, iron, zinc and other most studied metals, in addition to showing their potential use in human health.

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“…The absorbance value directly correlates with the amount of bio lm formed in MBNc treated and untreated control. The assay was performed in triplicates to carry out statistical analysis by using a t-test to identify the signi cant difference among Ampicillin and MBNc treated strains [29][30].…”

Section: Bio Lm Inhibition Assaymentioning

confidence: 99%

Myrobalans Mediated Nanocolloids in Controlling Marine Pathogens

Ranjani

Parthasarathy

Rameshkumar

et al. 2021

Preprint

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Aquaculture production is affected by disease outbreak, which affect the production, profitability, and sustainability of the global aquaculture industry. Antibiotics have been widely used to control various pathogens. Due to its uncontrollable and indiscriminate usage, pathogens have developed resistance towards antibiotics. This current study aims to synthesize green silver- of silver nanocolloids (MBNc) from the extract of three myrobalans. MBNc was characterized by using UV-Vis spectroscopy, DLS, Zeta potential, FE-SEM. EDX, HRTEM, and SAED techniques. The array of antimicrobial assays were performed to evaluate the efficacy of MBNc against vibriosis causing pathogens including V. harveyi, V. alginolyticus, V. parahaemolyticus, and foodborne pathogen S. haemolyticus, isolated from infected fish. Further, the presence of ESBL genes including CTX-M-15 and Amp C were analyzed in control and MBNc treated strains. From our studies, it was observed that MBNc was very effective in controlling the growth and biofilm formation in all tested marine pathogens and effectively abolish the genes encoding ESBL CTX-M-15 in antibiotic-resistant pathogens tested. Thus, MBNc can be formulated to control the growth of marine pathogens and it can be used as an alternative to antibiotics to prevent infection in cage culturing and aquafarming.

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Biogenic AgNPs synthesized via endophytic bacteria and its biological applications

Cited by 41 publications

References 22 publications

Multi potent aromatic nano colloid: synthesis, characterization and applications

Multi potent aromatic nano colloid: synthesis, characterization and applications

Endophytic Microorganisms From the Tropics as Biofactories for the Synthesis of Metal-Based Nanoparticles: Healthcare Applications

Myrobalans Mediated Nanocolloids in Controlling Marine Pathogens

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