Context: Lichens are composite organisms consisting of a symbiotic association of a fungus
(the mycobiont) with a photosynthetic partner (the phytobiont), usually either a green alga or …

Himantormia lugubris is a Chilean native small lichen shrub growing in the Antarctica
region. In this study, the metabolite fingerprinting and the antioxidant and enzyme inhibitory …

Usnic acid (UA) is a compound with multiple biological activities that make it useful in
various industries, eg, pharmaceutical, cosmetic, dentistry, and agricultural sectors. Lichens …

In this study, we investigated responses of the Photochemical Reflectance Index (PRI), and
Normalized Difference Vegetation Index (NDVI) to gradual dehydration of several Antarctic …

The increasing global emergence of multidrug resistant (MDR) pathogens is categorized as
one of the most important health problems. Therefore, the discovery of novel antimicrobials …

The major bioactive constituents of Usnea longissima Ach. are organic acids. However, few
recent literatures involve the preparative separation of these organic acids. In the present …

The lichens are symbiotic organisms, synthesize a great variety of chemically complex.
Natural and potential source of bioactive compounds. U. antarctica and U. aurantiaco-atra …

To investigate the effects of methanol extracts obtained from Usnea longissima (UME) on the
genotoxicity and oxidative stress of aflatoxin B_1 (AFB_1) in cultured human blood cells …

In this study, the antigenotoxic and antioxidant effects of Umbilicaria vellea (UME) and
Xantho somloensis (XME) extracts were determined using sister chromatid exchange (SCE) …

The rapid emergence of resistant bacteria is occurring worldwide, endangering the efficacy
of antibiotics. Hence, there is a need to search for new sources of antibiotics that either …