Results 51 to 60 of about 1,764 (217)

Climate‐specific biosynthetic gene clusters in populations of a lichen‐forming fungus

open access: yesEnvironmental Microbiology, Volume 23, Issue 8, Page 4260-4275, August 2021., 2021
Summary Natural products can contribute to abiotic stress tolerance in plants and fungi. We hypothesize that biosynthetic gene clusters (BGCs), the genomic elements that underlie natural product biosynthesis, display structured differences along elevation gradients.
Garima Singh   +6 more
wiley   +1 more source

DNA barcoding and LC-MS metabolite profiling of the lichen-forming genus Melanelia: Specimen identification and discrimination focusing on Icelandic taxa [PDF]

open access: yes, 2017
Taxa in the genus Melanelia (Parmeliaceae, Ascomycota) belong to a group of saxicolous lichens with brown to black foliose thalli, which have recently undergone extensive changes in circumscription.
Eiríksson, Finnur Freyr   +5 more
core   +3 more sources

Radical-scavenging Potential of Phenolic Compounds from Brazilian Lichens

open access: yesOrbital: The Electronic Journal of Chemistry, 2015
Lichens produce a wide range of phenolic substances, mostly depsides and depsidones. As part of our ongoing study of lichens from the Cerrado biome in Mato Grosso do Sul state, the present article reports novel findings on the radical-scavenging ...
Neli Kika Honda   +7 more
doaj   +3 more sources

Anticancer Potential of Lichens’ Secondary Metabolites

open access: yesBiomolecules, 2020
Lichens produce different classes of phenolic compounds, including anthraquinones, xanthones, dibenzofuranes, depsides and depsidones. Many of them have revealed effective biological activities such as antioxidant, antiviral, antibiotics, antifungal, and
Zuzana Solárová   +5 more
doaj   +1 more source

Phenolics, depsides and triterpenes from the chilean lichen pseudocyphellaria nudata (zahlbr.) D.J. Galloway [PDF]

open access: yes, 2008
Indexación: ScieloThe lichen Pseudocyphellaria nudata is a species endemic to southern South América. From the lichen tallus, methyl orsellinate, 2-methoxy-3,6-dimethyl-4-hydroxybenzaldehyde, methyl-evernate, tenuiorin, hopan-6ß,22-diol and hopan-6α,76 ...
Cuellar, M.   +4 more
core   +1 more source

Sample preparation for an optimized extraction of localized metabolites in lichens: Application to Pseudevernia furfuracea [PDF]

open access: yes, 2016
International audienceLichens are symbiotic organisms known for producing unique secondary metabolites with attractive cosmetic and pharmacological properties.
Bazureau, Jean-Pierre   +11 more
core   +3 more sources

Diversity of Lecidea (Lecideaceae, Ascomycota) species revealed by molecular data and morphological characters [PDF]

open access: yes, 2002
The diversity of lichens, especially crustose species, in continental Antarctica is still poorly known. To overcome difficulties with the morphology based species delimitations in these groups, we employed molecular data (nuclear ITS and mitochondrial ...
Branson, K   +20 more
core   +4 more sources

Actividad antioxidante de los polifenoles de HYPOGYMNIA TAVARESII D. HAWKSW. & P. JAMES

open access: yesQuímica Nova, 2016
Lichen substances have more than one phenolic hydroxyl group attached to one or more benzene rings, thus qualifying them as polyphenols. The secondary metabolites isolated from the lichen H.
Elsa M. Rodríguez Pérez   +4 more
doaj   +1 more source

Lichens: might be considered as a source of gastroprotective molecules? [PDF]

open access: yes, 2013
Indexación: Web of Science; ScieloABSTRACT Lichens are symbiotic relationship between fungi and algae or cyanobacteria. Secondary metabolites from lichens are known as lichen substances.
Areche, Carlos   +3 more
core   +2 more sources

The Role of Secondary Metabolites and Bark Chemistry in Shaping Diversity and Abundance of Epiphytic Lichens

open access: yesFrontiers in Forests and Global Change, 2022
Diversity of secondary lichen metabolites was studied in epiphytic lichens on six phorophytes—spruce, pine, birch, alder, aspen and poplar in the Middle Urals of Russia. Atranorin, usnic, fumarprotocetraric acid, zeorin, and gyrophoric acid were found in
Alexander Paukov   +4 more
doaj   +1 more source

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