Fungal Endophytes from Seaweeds: An Overview

Singh, Vipin Kumar; Dwivedy, Abhishek Kumar; Singh, Akanksha; Asawa, Simran; Dwivedi, Arun Kumar; Dubey, Nawal Kishore

doi:10.1007/978-981-10-7140-9_22

Cited by 7 publications

(4 citation statements)

References 67 publications

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“…Effects of the isolated compounds 1 – 12 and 14 – 22 on the 24 h viability of BV-2 cells were measured by a colorimetric assay of MTT reduction as previously described …”

Section: Methodsmentioning

confidence: 99%

Chemical Constituents and Bioactive Principles from the Mexican Truffle and Fermented Products of the Derived Fungus Ustilago maydis MZ496986

His

Hsiao

et al. 2023

J. Agric. Food Chem.

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To look in-depth into the traditional Mexican truffle, this study investigated the phytochemical and pharmacological properties of field-collected corn galls and the fermentate of its pathogen Ustilago maydis MZ496986. Here, we established the chemical profiles of both materials via the gradient HPLC-UV method and successfully identified six previously unreported chemical entities, ustilagols A−F (1−6), and 17 known components. Compounds 3, 5, and 9 exhibited potent nitric oxide production inhibitory activities in murine brain microglial BV-2 cells (IC 50 = 6.7 ± 0.5, 5.8 ± 0.9, and 3.9 ± 0.1 μM) without cytotoxic effects. DIMBOA (9) also attenuates lipopolysaccharide (LPS)-stimulated NF-κB activation in RAW 264.7 macrophages (IC 50 = 58.1 ± 7.2 μM). Ustilagol G (7) showed potent antiplatelet aggregation in U46619-stimulated human platelets (IC 50 = 16.5 ± 5.3 μM). These findings highlighted the potential of corn galls and U. maydis MZ496986 fermentate as functional foods for improving inflammationrelated discomforts and vascular obstruction.

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“…Effects of the isolated compounds 1 – 12 and 14 – 22 on the 24 h viability of BV-2 cells were measured by a colorimetric assay of MTT reduction as previously described …”

Section: Methodsmentioning

confidence: 99%

Chemical Constituents and Bioactive Principles from the Mexican Truffle and Fermented Products of the Derived Fungus Ustilago maydis MZ496986

His

Hsiao

et al. 2023

J. Agric. Food Chem.

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“…Natural products are a large resource for the development of drugs, and also a promising area for therapeutic agents [ 1 , 12 , 72 ]. Combining the microbial versatility and particularities of the marine environment, marine microorganisms have been considered to be the most promising natural source for drug discovery [ 13 , 72 ]. Marine actinomyces have shown an excellent biosynthetic ability to generate bioactive metabolites [ 23 ].…”

Section: Bioactive Metabolites From Actinomycetes Associated With Mar...mentioning

confidence: 99%

“…Although algae-associated microorganisms have great potential for secondary metabolite synthesis, some related studies deserve more attention [ 10 , 11 ]. At present, the research on algae-associated microorganisms focuses on macroalgae-associated fungi, and more than 400 new natural products have been obtained from them, which have anti-tumor, anti-bacterial, anti-oxidant, and insecticidal activities, providing a rich and innovative source for new drug candidates [ 12 , 13 ]. However, studies on algae-associated actinomyces have been neglected [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

Natural Products and Biological Activity from Actinomycetes Associated with Marine Algae

et al. 2023

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Marine natural products have been recognized as the most promising source of bioactive substances for drug discovery research. This review illustrates the diversity of culturable actinobacteria associated with marine algae, their bioactivity and metabolites, and approaches to their isolation and determination of their biological properties. Furthermore, actinobacteria associated with marine algae are presented as a new subject for an extensive investigation to find novel and active natural products, which make them a potentially rich and innovative source for new drug development deserving more attention and exploration.

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“…Due to their ability to thrive in unique biological niches, endophytic fungi connected with seaweed have distinctive secondary metabolites [16]. The scienti c community was inspired to look for new compounds due to the bioactive secondary metabolites from seaweed endophytes exhibiting anti-algal, anticancer, antimicrobial, anti-plasmodial, antioxidant, insecticidal, andAChE modulation activities [17].…”

Section: Introductionmentioning

confidence: 99%

Biosynthesis of silver nanoparticle using endophytic fungus (Simpicillium lanosoniveum) isolated from Sargassum wightii and its biological activity

Dinesh,

Joshi

2023

Preprint

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Physical and chemical methods of synthesizing metal nanoparticles are expensive, have negative impacts, and are hazardous. Simpicilliumlanosoniveum, an endophytic fungus found in the seaweed Sargassumwightii, was used in an attempt to synthesize silver nanoparticles (brown seaweed). Ultraviolet-Visible Spectroscopy, Field-Emission Scanning Electron Microscopy, Atomic Force Microscopy, X-ray Diffraction Spectroscopy, Fourier Transform Infrared Spectroscopy, and Dynamic Light Scattering were used to characterize silver nanoparticles. Antioxidant, antimicrobial, Chick chorioallantoic membrane, and cytotoxic experiments were performed on the nanoparticles. The spherical nanoparticles had an average particle size of 20–25 nm, as determined by field-emission scanning electron microscopy. The nanoparticles' size and crystalline composition was also confirmedby X-ray Diffraction Spectroscopy.The nanoparticles demonstrated potent antioxidant, antibacterial, antiangiogenic, and cytotoxic activity. Hence, we believe that the green silver nanoparticles might be usefulin managing microbial infections and cancers.

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Fungal Endophytes from Seaweeds: An Overview

Cited by 7 publications

References 67 publications

Chemical Constituents and Bioactive Principles from the Mexican Truffle and Fermented Products of the Derived Fungus Ustilago maydis MZ496986

Chemical Constituents and Bioactive Principles from the Mexican Truffle and Fermented Products of the Derived Fungus Ustilago maydis MZ496986

Natural Products and Biological Activity from Actinomycetes Associated with Marine Algae

Biosynthesis of silver nanoparticle using endophytic fungus (Simpicillium lanosoniveum) isolated from Sargassum wightii and its biological activity

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