Katalog - Lichenological literature

37966

Mitchell M.E. (2019): Crystal gazing: How the early-19th-century discovery of lichen secondary metabolites influenced physiological and taxonomic inquiry, Huntia, 17(2): 67-78

the fungal components of most lichens synthesize carbon-based compounds that occur as crystals on the hyphal walls. in the 1840s some of those compounds were found to produce distinctive colors when treated with certain alkalis. the debate occasioned 20 years later when those reactions were recruited as taxonomic criteria is documented here. the enduring question of why lichens produce their characteristic compounds is also addressed. chemistry, history Read more...

37965

Gupta A., Agarwal P., Khatana K. & Khan S.A. (2020): Biomedical Aspects of Lichen-Derived Products: Roadmap to alternative sources for synthetic drugs, , 119-140

Lichen, a distinct organism in plant kingdom, arises as a result of a symbiotic relationship between cyanobacteria and fungus. The medicinal use of lichen has been known in traditional systems including herbal, Chinese, and homeopathic medicines. The wide range of pharmacological activities and imaginable applications in medicinal and pharmaceutical chemistry in lichen are attributed to the presence of secondary metabolites like atranorin and usnic acid. They have been used for treating varied kidney … Read more...

37964

Yahr R., Cannon P., Coppins B., Košuthová A., McCune B., Aptroot A. & Simkin J. (2025): Lecanorales: Stereocaulaceae, including Hertelidea, Lepraria, Squamarina and Stereocaulon , Revisions of British and Irish Lichens, 49: 1–24

37962

Ivanovich C., Weber L., Palice Z., Hollinger J., Otte V., Sohrabi M., Sheehy S. & Printzen C. (2025): A taxonomic revision of the lichen genus Lecanoropsis (Lecanoraceae), Phytotaxa, 695(1): 1–56

Lecanora s. lat. is a genus of crustose lichens comprising c. 1000 recognized species and subdivided into several morphology-based groups. One of the groups that has rarely been studied by molecular methods is the L. saligna-group. This group includes corticolous and lignicolous species of Lecanora, usually containing isousnic or usnic acid (or both) as major secondary metabolites. We present here a systematic revision of 23 species belonging to the L. saligna-group with descriptions and an identification … Read more...

37961

de Jonge I.K., Convey P., Klarenberg I.J., Cornelissen J.H.C. & Bokhorst S. (2025): Flexible or fortified? How lichens balance defence strategies across climatic harshness gradients, New Phytologist, 246: 406–415

Lichens play important roles in habitat formation and community succession in polar and alpine ecosystems. Despite their significance, the ecological effects of lichen traits remain poorly researched. We propose a trait trade-off for managing light exposure based on climatic harshness. In the harshest cold environments, where abiotic stress predominates over biotic pressures, lichens should rely on photostable, recalcitrant and immobile substances such as allomelanin and hydrophobic compounds. These … Read more...

37960

Singh G., Dal Grande F., Martin F.M. & Medema M.H. (2025): Breaking into nature's secret medicine cabinet: lichens – a biochemical goldmine ready for discovery, New Phytologist, 246: 437–449

Secondary metabolites are a crucial source of bioactive compounds playing a key role in the development of new pharmaceuticals. Recently, biosynthetic research has beneﬁted signiﬁcantly from progress on various fronts, including reduced sequencing costs, improved genome/metabolome mining strategies, and expanding tools/databases to compare and characterize chemical diversity. Steady advances in these ﬁelds are crucial for research on non-modal organisms such as lichen-forming fungi (LFF). … Read more...

37959

Pasinato A. & Singh G. (2025): Lichens are a treasure chest of bioactive compounds: fact or fake?, New Phytologist, 246: 389–395

Key words: biosynthetic genes, genome mining, Lecanoromycetes, lichenized fungi, natural products, polyketide synthases, secondary metabolites, symbiotic fungi. "In conclusion, we demonstrate the higher biosynthetic potential of LFF (lichenized fungi) as compared to nLFF (non-lichenized fungi) and propose that the remarkable biosynthetic diversity observed in lichens arises from a combination of intricate biotic interactions and exceptional ecological adaptability. Specifically, the symbiotic relationship between … Read more...

37958

Bisht K., Mehta P., Upadhyay S. & Joshi Y. (2020): Need of harnessing potential of lichenometry for glacier retreat studies in the Indian Himalayan Region, International Journal of Plant and Environment, 6(3): 207-210

In the present study an attempt has been made to attract the attention of the geologists, glaciologists and lichenologists of the world towards Himalaya. The Himalaya houses tremendous amount of eternal ice, and hence, is considered as the ‘Third Pole’ of earth. In the Asian Continent the Himalaya attains a very specific place and is considered as the ‘Water Tower’ of Asia. During recent decades the ice stored in the glaciers of Himalaya has shrunk considerably under the influence of global … Read more...

37957

Tas I., Yildirim A.B., Ozyigitoglu G.C., Turker H. & Turker A.U. (2019): Lichens as a promising natural antibacterial agent against fish pathogens, Bulletin of the European Association of Fish Pathologists, 39(1): 40-48

Lichens are symbiotic organisms composed of fungi and algae. They have been used as a treatment of various diseases through the ages. This study was carried out to investigate the potential antibacterial effects of 13 lichen species (Anaptychia ciliaris, Bryoria capillaris, Cetraria islandica, Evernia divaricata, Evernia prunastri, Letharia vulpina, Lobaria pulmonaria, Platismatia glauca, Pseudoevernia furfuracea, Ramalina farinacea, Ramalina fastigiata, Ramalina fraxinea, and Usnea Florida) against … Read more...