Results 111 to 120 of about 1,243 (138)
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Environmental Science and Pollution Research, 2020
Urban air pollution is one of the most important environmental problems. Lichens are good bioindicators in air pollution studies because of their dependence on the atmospheric deposition for nutrition. The present study focused on the effects of urbanization on the composition of atmospheric deposition inputs and physiological parameters of ...
Jurate Zaltauskaite +2 more
exaly +3 more sources
Urban air pollution is one of the most important environmental problems. Lichens are good bioindicators in air pollution studies because of their dependence on the atmospheric deposition for nutrition. The present study focused on the effects of urbanization on the composition of atmospheric deposition inputs and physiological parameters of ...
Jurate Zaltauskaite +2 more
exaly +3 more sources
Antimicrobial activity and cytotoxicity of Ramalina farinacea
Fìtoterapìâ, 1999The water, ethanol, chloroform and n-hexane extracts of the lichen Ramalina farinacea have been evaluated for their phytochemical constituents, antibacterial, antifungal, and cytotoxic properties.
C.O Esimone, M.U Adikwu
exaly +2 more sources
Nitric oxide affects cadmium-induced changes in the lichen Ramalina farinacea
Nitric Oxide, 2019 Metabolic responses of epiphytic lichen Ramalina farinacea to cadmium (Cd) and/or nitric oxide (NO) scavenger (cPTIO) were studied. Accumulation of Cd and other metallic nutrients was not affected by cPTIO while total and absorbed amounts differed. Cd-induced NO formation was suppressed by cPTIO but ROS signal was synergistically enhanced, confirming ...
Kovacik J. +5 more
openaire +5 more sources
The Ramalina farinacea Complex in North America: Chemical, Ecological and Morphological Variation
Bryologist, 1978Ramalina farinacea (L.) Ach. is most abundant along the coastal regions of North America from approximately 30-600N latitude. All of the five European chemical races are present in the New World in addition to unreported combinations of diagnostic acids. An analysis of morphological variation in chemical lines showed them to be indistinguishable. There
P W Rundel
exaly +2 more sources
Planta Medica, 2013
The extract of the Nigerian lichen Ramalina farinacea showed inhibitory activity against the respiratory syncytial virus in a preliminary assay. A follow-up chemical investigation of this lichen led to the isolation of thirteen phenolic compounds (1-13), including one new hydroquinone depside, designated 5-hydroxysekikaic acid (1), and one new ...
Damian Odimegwu +2 more
exaly +3 more sources
The extract of the Nigerian lichen Ramalina farinacea showed inhibitory activity against the respiratory syncytial virus in a preliminary assay. A follow-up chemical investigation of this lichen led to the isolation of thirteen phenolic compounds (1-13), including one new hydroquinone depside, designated 5-hydroxysekikaic acid (1), and one new ...
Damian Odimegwu +2 more
exaly +3 more sources
Russian Journal of Plant Physiology, 2010
In order to contribute to understanding of the response to metal stress, Ramalina farinacea (L.) Ach. was treated with different concentrations of chromium (VI) (5, 15, and 30 mM of K2CrO4) for 1, 3, and 24 h, and alterations in the photosystem II photosynthetic quantum yield, pigment content, integrity of chlorophyll, cell viability, and proline ...
Atakan Sukatar
exaly +2 more sources
In order to contribute to understanding of the response to metal stress, Ramalina farinacea (L.) Ach. was treated with different concentrations of chromium (VI) (5, 15, and 30 mM of K2CrO4) for 1, 3, and 24 h, and alterations in the photosystem II photosynthetic quantum yield, pigment content, integrity of chlorophyll, cell viability, and proline ...
Atakan Sukatar
exaly +2 more sources
The Studies on Antimicrobial Activities of the Lichens Ramalina farinacea (L.) Ach. and Usnea intermedia (A.Massal.) Jatta [PDF]
, 2015 Bu çalışmada Bursa-Uludağ Milli Park civarından toplanan Ramalina farinacea (L.) Ach. ve Usnea intermedia (A.Massal.) Jatta likenlerinin Bacillus cereus ATCC 7064, Bacillus licheniformis ATCC 14580, Citrobacter freundii ATCC 8090, Enterococcus faecalis ATCC 29212, Escherichia coli ATCC 25992, Klebsiella oxytoca ATCC 8724, Listeria innocua ATCC 33090 ...
ŞİRİN, Neslihan, DÜLGER, Başaran
core +4 more sources
South European populations of Ramalina farinacea (L.) Ach. share different Trebouxia algae
, 2010 [EN] Little is currently known about the population structure of lichen photobionts. Accordingly, in this study we analyzed the nature and distribution of phycobionts in different Spanish populations of Ramalina farinacea. Two different Trebouxia algae were isolated and identified on the basis of anatomical and chloroplast LSU rDNA sequence studies ...
Del Campo, Eva M. +7 more
openaire +2 more sources
Archives of Microbiology, 2021 The purpose of this work was to assess chemical composition, antibacterial activity against Staphylococcus aureus isolates from catheter-associated infections and antioxidant activity of methanol extracts of three lichens collected from Morocco.
Nedeljko Manojlovic +2 more
exaly +2 more sources