Results 81 to 90 of about 1,421 (204)
The lichens of the Cladonia pyxidata-chlorophaea complex in Belarus [PDF]
, 2015 Based on an examination of c. 500 herbarium specimens of the Cladonia pyxidata-chlorophaea complex, this study deals with their morphology, secondary chemistry, habitat requirements and distribution in Belarus. Eleven taxa have been accepted, of which C.
Golubkov, Vladimir, Tsurykau, Andrei
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Orbital: The Electronic Journal of ChemistryLichenized fungi (lichens) produce many compounds especially those derived from the polyketide pathway. These are predominantly phenolic compounds, most of which are unique to lichens, and long-chain fatty acids.
Aline Siqueira Gianini +5 more
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Mollicellins O–R, Four New Depsidones Isolated from the Endophytic Fungus Chaetomium sp. Eef-10
Molecules, 2018 Four new depsidones, mollicellins O⁻R (compounds 1⁻4), along with three known compounds 5⁻7, were isolated from cultures of the fungus Chaetomium sp. Eef-10, an endophyte isolated from Eucalyptus exserta.
Jinkui Ouyang +9 more
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Secondary metabolites and their exploitation in medicine [PDF]
, 2009 Many of the medicinal products available today are derived from secondary metabolites. Plants remain the main source of such therapeutic agents but other sources are being explored and exploited.
Baldacchino, Alexandra +2 more
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"Ramalina carminae" (Ascomycota: "Ramalinaceae"), una especie nueva de Europa [PDF]
, 2011 Ramalina carminae is described as new to science. The new species is found in several localities in Portugal and Spain and in one locality in Sardinia (Italy).
Araújo, Elena +2 more
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Physiological and ultrastructural effects of acute ozone fumigation in the lichen Xanthoria parietina: the role of parietin and hydration state [PDF]
, 2017 The physiological and ultrastructural effects induced by acute exposure to ozone (O3) were investigated in the lichen Xanthoria parietina. Our working hypothesis was that parietin content and hydration of the thalli may play a role in the modulation of ...
Basile, Adriana +9 more
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Chemical constituents and biological activities of Garcinia cowa Roxb. [PDF]
, 2013 Garcinia cowa is an abundant source of bioactive phytochemicals. Phytochemical investigations of the plant parts indicated that the fruit, twig and stem are the best source of secondary metabolites, providing flavonoids, phloroglucinols and xanthones ...
Thunwadee Ritthiwigrom
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Antimicrobial activities of secondary metabolites of endophytic fungi isolated from Catharanthus roseus [PDF]
, 2017 Introduction: Recently, several endophytes have been shown to possess the potentials to synthesize novel bioactive compounds that have found use for drug discovery. We isolated endophytic fungi associated with Catharanthus roseus collected from the river
Abba, Chika C. +6 more
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Anales del Jardín Botánico de Madrid, 2008 Photochemical analyses of secondary compounds in lichens from the venezuelan andean snow zone were carried out in order to know the absorbance capacity of UV radiation at the UVA, UVB and UVC ranges and to determine its probable UV protective function ...
José Alberto Rojas-Fernández +7 more
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Can Parietin Transfer Energy Radiatively to Photosynthetic Pigments? [PDF]
, 2018 The main role of lichen anthraquinones is in protection against biotic and abiotic stresses, such as UV radiation. These compounds are frequently deposited as crystals outside the fungal hyphae and most of them emit visible fluorescence when excited by ...
0000-0001-6498-975X +6 more
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