Results 31 to 40 of about 323,642 (310)

Linking a Gene Cluster to Atranorin, a Major Cortical Substance of Lichens, through Genetic Dereplication and Heterologous Expression

open access: yesmBio, 2021
Lichens play significant roles in ecosystem function and comprise about 20% of all known fungi. Polyketide-derived natural products accumulate in the cortical and medullary layers of lichen thalli, some of which play key roles in protection from biotic ...
Wonyong Kim   +11 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

Investigation of Antimicrobial Compounds Produced by Endolichenic Fungi in Different Culture Media [PDF]

open access: yesThe Plant Pathology Journal
Continuous use of synthetic fungicides has led to explosive emergence of fungicide-resistant microbes. Therefore, there are urgent needs for environmentally friendly antimicrobial agents with novel modes of action.
Jaycee Augusto G. Paguirigan   +4 more
doaj   +1 more source

Lichen specific thallus mass and secondary compounds change across a retrogressive fire-driven chronosequence [PDF]

open access: yes, 2012
In the long-term absence of major disturbances ecosystems enter a state of retrogression, which involves declining soil fertility and consequently a reduction in decomposition rates.
Asplund, Johan   +2 more
core   +2 more sources

Two New Lichen Species, Thelopsis ullungdoensis and Phylloblastia gyeongsangbukensis from Korea

open access: yesMycobiology, 2020
Two new species, Thelopsis ullungdoensis and Phylloblastia gyeongsangbukensis are described from Ullung-Do (Island), South Korea. The closest relatives from Europe and Korea are epiphytic Thelopsis flaveola which differs by their immersed or semi ...
Josef P. Halda   +8 more
doaj   +1 more source

Lichen planus remission is associated with a decrease of human herpes virus type 7 protein expression in plasmacytoid dendritic cells [PDF]

open access: yes, 2007
The cause of lichen planus is still unknown. Previously we showed human herpes virus 7 (HHV-7) DNA and proteins in lesional lichen planus skin, and significantly less in non-lesional lichen planus, psoriasis or healthy skin.
Henry J. C. de Vries   +4 more
core   +3 more sources

Diversity of nematodes associated with Heterodermia diademata: A case study in the Eco Área of Avellaneda, Buenos Aires, Argentina

open access: yesEcología Austral, 2023
Lichens represent a complex life form characterized by a symbiotic partnership between at least two organisms: a fungus and an alga. In this unique relationship, the fungus offers a protective habitat for the alga, which, in turn, harnesses energy from ...
José M. Rusconi   +3 more
doaj   +1 more source

Radiation induced lichen planus - an uncommon side effect [PDF]

open access: yes, 2019
Cutaneous lichen planus is classically characterized by violaceous, pruritic, planar papules and plaques, most commonly affecting the extremities. Lichen planus following radiation therapy is extremely rare and lichen planus following radiation therapy ...
Chen, Yi-Chun   +4 more
core  

Overcoming the Trade‐Off Between Magnetic Coupling and Electrical Insulation in Soft Magnetic Materials via Nanochain Engineering

open access: yesAdvanced Science, EarlyView.
This study employs a nanochain engineering approach combined with an in situ oxidation strategy to fabricate self‐insulating iron‐based magnetic nanochains, addressing the challenge of balancing magnetic coupling and electrical insulation in soft magnetic materials.
Dingrong Zuo   +8 more
wiley   +1 more source

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