Structure de la mycosporine (P 310)

Favre-Bonvin, Jean; Arpin, N.; Brévard, C.

doi:10.1139/v76-158

Cited by 98 publications

(46 citation statements)

References 5 publications

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“…The mycosporine-like amino acids (MAAs) are condensation derivatives of a cyclohexenone ring and amino acid or imino alcohol residues (65). Based on the characteristics of UV absorption by MAAs, several studies have suggested that these compounds can act as natural screens of UV radiation and should be considered photoprotectants (66,67).…”

Section: Raman Spectrometry Of Microbial Pigments-pure Culture Studiesmentioning

confidence: 99%

Raman Spectroscopy of Microbial Pigments

Jehlička

Edwards

Oren

2014

Appl Environ Microbiol

151

114

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Raman spectroscopy is a rapid nondestructive technique providing spectroscopic and structural information on both organic and inorganic molecular compounds. Extensive applications for the method in the characterization of pigments have been found. Due to the high sensitivity of Raman spectroscopy for the detection of chlorophylls, carotenoids, scytonemin, and a range of other pigments found in the microbial world, it is an excellent technique to monitor the presence of such pigments, both in pure cultures and in environmental samples. Miniaturized portable handheld instruments are available; these instruments can be used to detect pigments in microbiological samples of different types and origins under field conditions.

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Section: Raman Spectrometry Of Microbial Pigments-pure Culture Studiesmentioning

confidence: 99%

Raman Spectroscopy of Microbial Pigments

Jehlička

Edwards

Oren

2014

Appl Environ Microbiol

151

114

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“…Mycosporines were first discovered in terrestrial fungi (Favre-Bonvin et al 1976) and these metabolites are believed to provide UV protection to fungal spores while exposed to solar radiation during atmospheric dispersal (Young and Patterson 1982). Fungal metabolites strongly absorbing UV-B (λ max 310 nm), first described by Leach (1965) and notionally designated P-310, were present in the mycelia of several genera when sporulation had been induced with near-UV radiation, but were absent from nonsporulating colonies grown in darkness.…”

Section: Fungus and Lichen Mycobiontsmentioning

confidence: 99%

Natural microbial UV radiation filters — Mycosporine-like amino acids

Řezanka

Temina

et al. 2004

Folia Microbiol

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Ozone depletion by anthropogenic gases has increased the atmospheric transmission of solar ultraviolet-B radiation (UV-B, 280-315 nm). There is a logical link between the natural defenses of terrestrial and marine organisms against UV radiation and the prevention of UV-induced damage to human skin. UV light degrades organic molecules such as proteins and nucleic acids, giving rise to structural changes that directly affect their biological function. These compounds offer the potential for development of novel UV blockers for human use. The biological role of mycosporine-like amino acids (MAAs) and scytonemin as a defense against solar radiation in organisms, together with their structure, synthesis, distribution, regulation and effectiveness, are reviewed in this article. This review points to the role of MAAs as a natural defense against UV radiation.

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“…Mycosporine is the generic name given to water-soluble, UV-absorbing fungal metabolites with a cyclohexenone chromophore conjugated with the nitrogen substituent of an amino acid or amino alcohol (Favre-Bonvin et al 1976, Arpin andBouillant 1981) (Fig. 1 like amino acids from marine organisms are imino-carbonyl derivatives of the mycosporine cyclohexenone chromophore.…”

Section: Introductionmentioning

confidence: 99%

Survey of mycosporine-like amino acid compounds in Antarctic marine organisms: Potential protection from ultraviolet exposure

et al. 1991

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Abstract.To investigate the natural defenses of Antarctic marine organisms against exposure to ultraviolet (UV) radiation (280 to 320 nm), 57 species (1 fish, 48 invertebrates, and 8 algae) were collected during austral spring 1988 in the vicinity of Palmer Station (Anvers Island, Antarctic Peninsula) and were analyzed for the presence of mycosporine-like amino acids (MAAs), compounds that absorb UV radiation and may provide shielding from these biologically hazardous wavelengths. Nearly 90% of the 57 species examined contained MAAs, and eight specific MAA compounds were identified. Seven of these (palythine, porphyra-334, shinorine, mycosporineglycine, palythene, asterina-330, and palythinol) have been observed previously in marine organisms from temperate and tropical latitudes. A new MAA, mycosporineglycine : valine, was found in the Antarctic fish and in 38 of the invertebrate species examined. This study confirms widespread occurrence of MAAs in Antarctic marine organisms and suggests that these species have some degree of natural biochemical protection from UV exposure.

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Structure de la mycosporine (P 310)

Cited by 98 publications

References 5 publications

Raman Spectroscopy of Microbial Pigments

Raman Spectroscopy of Microbial Pigments

Natural microbial UV radiation filters — Mycosporine-like amino acids

Survey of mycosporine-like amino acid compounds in Antarctic marine organisms: Potential protection from ultraviolet exposure

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