Page 3515 of 3643 Results 35141 - 35150 of 36427
Id/Author/Year/TitleOrder by:  Year  Id  Author  Title
34693
Rocha B., Matos P., Giordani P., Lõhmus P., Branquinho C., Casanelles-Abella J., Aleixo C., Deguines N., Hallikma T., Laanisto L., Moretti M., Alós Ortí M., Samson R., Tryjanowski P. & Pinho P. (2022): Modelling the response of urban lichens to broad-scale changes in air pollution and climate - Environmental Pollution, 315: 120330 [10 p.]

To create more resilient cities, it is important that we understand the effects of the global change drivers in cities. Biodiversity-based ecological indicators (EIs) can be used for this, as biodiversity is the basis of ecosystem structure, composition, and function. In previous studies, lichens have been used as EIs to monitor the effects of global change drivers in an urban context, but only in single-city studies. Thus, we currently do not understand how lichens are affected by drivers that … URL EndNote Read more... 

34694
Kalın Ş.N., Altay A. & Budak H. (2022): Inhibition of thioredoxin reductase 1 by vulpinic acid suppresses the proliferation and migration of human breast carcinoma - Life Sciences, 310: 121093 [11 p.]

Aims It was aimed to investigate the thioredoxin reductase 1 (TrxR1)-targeted anticancer effect of vulpinic (VA) and lecanoric (LA) acids, which are lichen secondary metabolites, on breast cancer MCF-7 and MDA-MB-453 cell lines, and to compare the effectiveness of this potential effect against commercial chemotherapeutic drugs carboplatin and docetaxel. Main methods The anticancer effects of both lichen metabolites were evaluated by XTT, flow cytometry analysis, cell scratch, and transwell … URL EndNote Read more... 

34695
da Silva B.F., da Silva K.E.M., de Farias E.E.G., de França E.J., Martins M.C.B., Santos M.L.O., Buril M.M.L., Alves G.G.S., Silva A.K.O., Júnior E.B.L., da Silva N.H. & Pereira E.C. (2022): Cladonia verticillaris (lichen) can exhibit defense mechanisms against Rn-222 under controlled conditions - Journal of Radioanalytical and Nuclear Chemistry, 331: 3671–3679

This study aimed to evaluate the efects of the Rn-222 progeny on the lichen Cladonia verticillaris under controlled conditions. The results showed resistance of the species, and few changes in the level of photosynthetic pigments. Blockage in the biosynthetic route of the major phenolic compound fumarprotocetraric acid was also identifed, and accumulation of protocetraric acid, as defense mechanism against external pollutants, to maintain thallus vitality. The accumulation of the 210Pb and … URL EndNote Read more... 

34696
Kuusisto I. & Mattanen S. (2022): Caloplaca tornoënsis new to Finland - Graphis Scripta, 34(6): 54–58

Caloplaca tornoënsis is reported from Finland for the first time. Specimens were collected from five locations of NW Finland and from one location of NE Finland. Collections were made from snowbeds on bryophytes using transect plot-based sampling method. C. tornoënsis has a circumpolar distribution and it is probably overlooked, although a rare species in Finland. The species should be looked for in late melting areas of mountains of northernmost Finland. URL EndNote Read more... 

34697
He Z. & Naganuma T. (2022): Chronicle of research into lichen-associated bacteria - Microorganisms, 10(11): 2111 [15 p.]

Lichens are mutually symbiotic systems consisting of fungal and algal symbionts. While diverse lichen-forming fungal species are known, limited species of algae form lichens. Plasticity in the combination of fungal and algal species with different eco-physiological properties may contribute to the worldwide distribution of lichens, even in extreme habitats. Lichens have been studied systematically for more than 200 years; however, plasticity in fungal–algal/cyanobacterial symbiotic combinations … URL EndNote Read more... 

34698
Di Nuzzo L., Canali G., Giordani P., Nascimbene J., Benesperi R., Papini A., Bianchi E. & Porada P. (2022): Life-stage dependent response of the epiphytic lichen Lobaria pulmonaria to climate - Frontiers in Forests and Global Change, 5: 903607 [14 p.]

Lichens are poikilohydric organisms, whose internal water content tends to reflect external humidity conditions. After drying, they can reactivate their metabolic activity through water vapor uptake or liquid water input. Thus, lichen water-related functional traits are important as they are involved in the duration of the hydrated period. Models predicting the effect of environmental conditions on lichens are based mainly on the presence or absence of adult thalli. Nevertheless, ecological … URL EndNote Read more... 

34699
Tanunchai B., Schroeter S.A., Ji L., Wahdan S.F.M., Hossen S., Lehnert A.-S., Grünberg H., Gleixner G., Buscot F., Schulze E.-D., Noll M. & Purahong W. (2022): More than you can see: Unraveling the ecology and biodiversity of lichenized fungi associated with leaves and needles of 12 temperate tree species using high-throughput sequencing - Frontiers in Microbiology, 13: 907531 [17 p.]

Currently, lichen surveys are generally based on the examination of fruiting bodies. Lichens in the mycelial stage, in spores, or awaiting conditions for fruiting body formation are usually overlooked, even though they are important for maintaining biodiversity and ecosystem functions. This study aimed to explore the lichenized fungal community composition and richness associated with leaves and needles of 12 temperate tree species using Illumina MiSeq-based amplicon sequencing of the internal … URL EndNote PDF Read more... 

34700
Cai L., Zheng Y., Chu Y., Lin Y., Liu L. & Zhang G. (2022): The synergism of lytic polysaccharide monooxygenases with lichenase and their co-immobilization on silica nanospheres for green conversion of lichen biomass - Frontiers in Nutrition, 9: 970540 [12 p.]

Enzyme-assisted valorization of lichenan represents a green and sustainable alternative to the conventional chemical industry. The recently discovered lytic polysaccharide monooxygenases (LPMOs) are essential components of state-of-the-art enzyme cocktails for lichenin bioconversion. The LPMOs named SpyTag fused LPMOs (AST) from Chaetomium globosum was functionally expressed in E. coli and exhibited 1.25-fold synergism with lichenase, whereas AST alone produced no detectable reducing sugars. … URL EndNote Read more... 

34702
Muster C., Leiva D., Morales C., Grafe M., Schloter M., Carú M. & Orlando J. (2022): Peltigera frigida lichens and their substrates reduce the influence of forest cover change on phosphate solubilizing bacteria - Frontiers in Microbiology, 13: 843490 [12 p.]

Phosphorus (P) is one of the most critical macronutrients in forest ecosystems. More than 70 years ago, some Chilean Patagonian temperate forests suffered wildfires and the subsequent afforestation with foreign tree species such as pines. Since soil P turnover is interlinked with the tree cover, this could influence soil P content and bioavailability. Next to soil microorganisms, which are key players in P transformation processes, a vital component of Patagonian temperate forest are lichens, … URL EndNote Read more... 

34703
Varlı M., Pham H.T., Kim S.-M., Taş İ., Gamage C.D.B., Zhou R., Pulat S., Park S.-Y., Sesal N.C., Hur J.-S., Kang K.B. & Kim H. (2022): An acetonic extract and secondary metabolites from the endolichenic fungus Nemania sp. EL006872 exhibit immune checkpoint inhibitory activity in lung cancer cell - Frontiers in Pharmacology, 13: 986946 [13 p.]

Background: Endolichenic fungi (ELF), which live the inside the lichen thallus, contain many secondary metabolites that show various biological activities. Recent studies show that lichen and ELF secondary metabolites have antioxidant, antibacterial, antifungal, cytotoxic, and anticancer activities. Purpose: Here, the effects of an ELF extract and its bioactive compounds were investigated on the H1975 cell line focusing on immune checkpoint marker inhibition. Methods: An ELF was isolated from … URL EndNote PDF Read more... 

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