Results 1 to 10 of about 47,643 (189)

Production of Melanins With Recombinant Microorganisms

open access: yesFrontiers in Bioengineering and Biotechnology, 2019
The melanins constitute a diverse group of natural products found in most organisms, having functions related to protection against chemical and physical stresses.
Luz María Martínez   +2 more
doaj   +2 more sources

Fungal Melanins and Applications in Healthcare, Bioremediation and Industry

open access: yesJournal of Fungi, 2021
Melanin is a complex multifunctional pigment found in all kingdoms of life, including fungi. The complex chemical structure of fungal melanins, yet to be fully elucidated, lends them multiple unique functions ranging from radioprotection and antioxidant ...
Ellie Rose Mattoon   +2 more
doaj   +2 more sources

Melanins as Sustainable Resources for Advanced Biotechnological Applications

open access: yesGlobal Challenges, 2021
Melanins are a class of biopolymers that are widespread in nature and have diverse origins, chemical compositions, and functions. Their chemical, electrical, optical, and paramagnetic properties offer opportunities for applications in materials science ...
Hanaa A. Galeb   +8 more
doaj   +2 more sources

Antioxidative Properties of Melanins and Ommochromes from Black Soldier Fly Hermetia illucens

open access: yesBiomolecules, 2019
A comparative study of melanin and ommochrome-containing samples, isolated from the black soldier fly (BSF) by enzymatic hydrolysis, alkaline and acid alcohol extraction or by acid hydrolysis, was carried out.
Nina Ushakova   +4 more
doaj   +2 more sources

A histochemical assay for polyphenolic profiling in cereal grains [PDF]

open access: yesВавиловский журнал генетики и селекции
In different cell layers, cereal grains may accumulate various economically important polyphenols such as colored anthocyanins and melanins and colorless proanthocyanidins.
S. R. Mursalimov, O. Yu. Shoeva
doaj   +2 more sources

Melanins of Inonotus Obliquus: Bifidogenic and Antioxidant Properties

open access: yesBiomolecules, 2019
Extracts and melanins from Inonotus obliquus are widely used in medicine due to their high antioxidant properties. This study is dedicated to define the influence of the physicochemical and antioxidant properties of Inonotus obliquus melanins and their ...
Marina A. Burmasova   +3 more
doaj   +2 more sources

Fungal melanins differ in planar stacking distances. [PDF]

open access: yesPLoS ONE, 2012
Melanins are notoriously difficult to study because they are amorphous, insoluble and often associated with other biological materials. Consequently, there is a dearth of structural techniques to study this enigmatic pigment.
Arturo Casadevall   +3 more
doaj   +2 more sources

Anti-ultraviolet, antibacterial, and biofilm eradication activities against Cutibacterium acnes of melanins and melanin derivatives from Daedaleopsis tricolor and Fomes fomentarius [PDF]

open access: yesFrontiers in Microbiology, 2023
Fomes fomentarius and Daedaleopsis tricolor produced significant amounts of water-insoluble melanins, and our previous study successfully enhanced their water solubility by arginine modification.
Tu N. Le   +5 more
doaj   +2 more sources

Differential Antifungal Activity of Human and Cryptococcal Melanins with Structural Discrepancies

open access: yesFrontiers in Microbiology, 2017
Melanin is a pigment found in all biological kingdoms, and plays a key role in protection against ultraviolet radiation, oxidizing agents, and ionizing radiation damage. Melanin exerts an antimicrobial activity against bacteria, fungi, and parasites.
Néstor Correa   +12 more
doaj   +2 more sources

Melanins in fungi: Types, localization and putative biological roles

open access: yesPhysiological and Molecular Plant Pathology, 2017
Melanin is a secondary metabolite made up by complex heterogeneous polymers. Several classes of fungal melanins have been described like γ-glutaminyl-3,4-dihydroxy-benzene (GDHB)-, l -DOPA-(eumelanin), DHN-, catechol-melanin, pyomelanin, p-aminophenol ...
Mario Emilio Ernesto Franco   +2 more
exaly   +2 more sources

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