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Mycosporine-Like Amino Acids (MAAs): Biology, Chemistry and Identification Features [PDF]

open access: yesPharmaceuticals, 2021
Mycosporines and mycosporine-like amino acids are ultra-violet-absorbing compounds produced by several organisms such as lichens, fungi, algae and cyanobacteria, especially upon exposure to solar ultraviolet radiation.
Vanessa Geraldes, Ernani Pinto
doaj   +4 more sources

Exploring Mycosporine-Like Amino Acids (MAAs) as Safe and Natural Protective Agents against UV-Induced Skin Damage [PDF]

open access: yesAntioxidants, 2021
Prolonged exposure to harmful ultraviolet radiation (UVR) can induce many chronic or acute skin disorders in humans. To protect themselves, many people have started to apply cosmetic products containing UV-screening chemicals alone or together with ...
Anjali Singh   +3 more
doaj   +4 more sources

Mycosporine-Like Amino Acids (MAAs) in Time-Series of Lichen Specimens from Natural History Collections [PDF]

open access: yesMolecules, 2019
Mycosporine-like amino acids (MAAs) were quantified in fresh and preserved material of the chlorolichen Dermatocarpon luridum var. luridum (Verrucariaceae/Ascomycota). The analyzed samples represented a time-series of over 150 years. An HPLC coupled with
Marylène Chollet-Krugler   +4 more
doaj   +4 more sources

Anti-Inflammation Activities of Mycosporine-Like Amino Acids (MAAs) in Response to UV Radiation Suggest Potential Anti-Skin Aging Activity [PDF]

open access: yesMarine Drugs, 2014
Certain photosynthetic marine organisms have evolved mechanisms to counteract UV-radiation by synthesizing UV-absorbing compounds, such as mycosporine-like amino acids (MAAs).
Sung-Suk Suh   +7 more
doaj   +4 more sources

Distribution, Contents, and Types of Mycosporine-Like Amino Acids (MAAs) in Marine Macroalgae and a Database for MAAs Based on These Characteristics [PDF]

open access: yesMarine Drugs, 2020
Mycosporine-like amino acids (MAAs), maximally absorbed in the wavelength region of 310−360 nm, are widely distributed in algae, phytoplankton and microorganisms, as a class of possible multi-functional compounds.
Yingying Sun   +6 more
doaj   +4 more sources

UVA and UVB Photoprotective Capabilities of Topical Formulations Containing Mycosporine-like Amino Acids (MAAs) through Different Biological Effective Protection Factors (BEPFs) [PDF]

open access: yesMarine Drugs, 2019
The safety and stability of synthetic UV-filters and the procedures for evaluating the photoprotective capability of commercial sunscreens are under continuous review.
Francisca de la Coba   +6 more
doaj   +4 more sources

Mycosporine-Like Amino Acids (MAAs) in Zooplankton [PDF]

open access: yesMarine Drugs, 2020
Organisms have different adaptations to avoid damage from ultraviolet radiation and one such adaptation is the accumulation of mycosporine-like amino acids (MAAs).
Samuel Hylander
doaj   +2 more sources

Occurrence of Mycosporine-like Amino Acids (MAAs) from the Bloom-Forming Cyanobacteria Aphanizomenon Strains [PDF]

open access: yesMolecules, 2022
Mycosporine-like amino acids (MAAs) are widespread in various microbes and protect them against harsh environments. Here, four different Aphanizomenon species were isolated from severely eutrophic waterbodies, Lake Dianchi and the Guanqiao fishpond ...
Hang Zhang   +7 more
doaj   +2 more sources

Mycosporine-like Amino Acids Biosynthesis in Asterarcys sp. Driving by Phosphorus Limitation: Evidence from Physiological and Transcriptomic Analyses [PDF]

open access: yesMarine Drugs
Mycosporine-like amino acids (MAAs), a class of secondary metabolites characterized by a cyclohexenone or cyclohexenimine ring structure bound to amino acid residues, are widely distributed in algae.
Liang Wei   +6 more
doaj   +2 more sources

Osmotic signaling governs sunscreen biosynthesis to safeguard desert cyanobacteria against desiccation [PDF]

open access: yesmLife
Mycosporine‐like amino acids (MAAs) are natural sunscreens synthesized by a wide range of organisms. Although the induction of MAA production by ultraviolet radiation is well established, the signaling pathways involved and specific functions of MAAs ...
Lei Zhao   +7 more
doaj   +2 more sources

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