Journal ArticleDOI
The significance of lichens and their metabolites.
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Pseudevernia furfuraceaand Evernia prunastri are processed in the perfume industry, and some lichens are sensitive reagents for the evaluation of air pollution.Abstract:
and Evernia prunastri are processed in the perfume industry, and some lichens are sensitive reagents for the evaluation of air pollution.read more
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Journal ArticleDOI
Metabolites from symbiotic bacteria
TL;DR: This review describes secondary metabolites that have been shown to be synthesized by symbiotic bacteria, or for which this possibility has been discussed, and includes 365 references.
Journal ArticleDOI
Pharmaceutically relevant metabolites from lichens.
TL;DR: This mini-review pays particular attention to the most common classes of small-molecule constituents of lichens, from both the chemical viewpoint and with regard to possible therapeutic implications, which will provide impetus for identifying novel lead-compounds with therapeutic potential and poses new challenges for medicinal chemistry.
Journal ArticleDOI
A review on usnic acid, an interesting natural compound.
TL;DR: This review summarises the most relevant studies on usnic acid, focusing on a number of biological activities in different fields, and finds the (+)-usnic acid enantiomer appears to be selective against Streptococcus mutans without inducing perturbing side effects on the oral saprophyte flora.
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Lichens—a promising source of bioactive secondary metabolites
Joël Boustie,Martin Grube +1 more
TL;DR: A global approach of the lichen metabolomic features appears to be essential in developing new and viable biotechnological processes which could afford suitable amounts of unique lichen compounds.
Journal ArticleDOI
Gastroprotective and antioxidant effects of usnic acid on indomethacin-induced gastric ulcer in rats.
TL;DR: The results suggest that the gastroprotective effect of usnic acid isolated from Usnea longissima can be attributed to its reducing effect on the oxidative damage and neutrophil infiltration in tissues.
References
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Identification of lichen substances
Siegfried Huneck,Isao Yoshimura +1 more
TL;DR: The number of lichen substances with known structure is about 700 as mentioned in this paper, and the number of known structures of the lichen compounds with known molecular structures is about 7,000.
Journal ArticleDOI
Biological Role of Lichen Substances
TL;DR: The bizarre phenolic substances produced by many lichen-formingfungi are assumed to have important biological roles, an idea that has led various investigators to speculate on topics ranging from light-screening to rock mineralization, but at the present time, three proposed roles- antimicrobial, allelopathic and antiherbivore-are best supported by the available evidence.
Journal ArticleDOI
Metabolic products of microorganisms
W. Pache,Hans Zähner +1 more
TL;DR: In this article, it was shown that boromycin at a concentration of 0.05 μg/ml inhibits the synthesis of protein, RNA and DNA in whole cells of Bacillus subtilis.