Lichens

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  Subject Areas on Research

  • A phylogenetic estimation of trophic transition networks for ascomycetous fungi: are lichens cradles of symbiotrophic fungal diversification? 
  • Assessing population structure and host specialization in lichenized cyanobacteria. 
  • Bioclimatic factors at an intrabiome scale are more limiting than cyanobiont availability for the lichen-forming genus Peltigera. 
  • Biological nitrogen fixation by alternative nitrogenases in boreal cyanolichens: importance of molybdenum availability and implications for current biological nitrogen fixation estimates. 
  • Community analysis reveals close affinities between endophytic and endolichenic fungi in mosses and lichens 
  • Conserved genomic collinearity as a source of broadly applicable, fast evolving, markers to resolve species complexes: A case study using the lichen-forming genus Peltigera section Polydactylon. 
  • Contribution of RPB2 to multilocus phylogenetic studies of the euascomycetes (Pezizomycotina, Fungi) with special emphasis on the lichen-forming Acarosporaceae and evolution of polyspory. 
  • Contributions of North American endophytes to the phylogeny, ecology, and taxonomy of Xylariaceae (Sordariomycetes, Ascomycota). 
  • Depside and Depsidone Synthesis in Lichenized Fungi Comes into Focus through a Genome-Wide Comparison of the Olivetoric Acid and Physodic Acid Chemotypes of Pseudevernia furfuracea. 
  • Determination of elemental baseline using peltigeralean lichens from Northeastern Canada (Québec): Initial data collection for long term monitoring of the impact of global climate change on boreal and subarctic area in Canada. 
  • Disentangling the Collema-Leptogium complex through a molecular phylogenetic study of the Collemataceae (Peltigerales, lichen-forming Ascomycota). 
  • Ecological generalism drives hyperdiversity of secondary metabolite gene clusters in xylarialean endophytes. 
  • Evolution of complex symbiotic relationships in a morphologically derived family of lichen-forming fungi. 
  • Expansion of the Stictidaceae by the addition of the saxicolous lichen-forming genus Ingvariella. 
  • Fungal and algal gene expression in early developmental stages of lichen-symbiosis. 
  • Genetic variation within and among populations of the threatened lichen Lobaria pulmonaria in Switzerland and implications for its conservation. 
  • Geographic variation in algal partners of Cladonia subtenuis (Cladoniaceae) highlights the dynamic nature of a lichen symbiosis. 
  • High-throughput genome sequencing of lichenizing fungi to assess gene loss in the ammonium transporter/ammonia permease gene family. 
  • Host and geographic structure of endophytic and endolichenic fungi at a continental scale. 
  • Insights from the first putative biosynthetic gene cluster for a lichen depside and depsidone. 
  • Interaction type influences ecological network structure more than local abiotic conditions: evidence from endophytic and endolichenic fungi at a continental scale. 
  • Is vanadium a biometal for boreal cyanolichens? 
  • Lichens. 
  • Light might regulate divergently depside and depsidone accumulation in the lichen Parmotrema hypotropum by affecting thallus temperature and water potential. 
  • Macroevolution of Specificity in Cyanolichens of the Genus Peltigera Section Polydactylon (Lecanoromycetes, Ascomycota). 
  • Major fungal lineages are derived from lichen symbiotic ancestors. 
  • Modeling in yeast how rDNA introns slow growth and increase desiccation tolerance in lichens. 
  • Molecular dynamics simulations of forced conformational transitions in 1,6-linked polysaccharides. 
  • Molecular phylogenetic study at the generic boundary between the lichen-forming fungi Caloplaca and Xanthoria (Ascomycota, Teloschistaceae). 
  • Molecular phylogeny and systematics of Polyblastia (Verrucariaceae, Eurotiomycetes) and allied genera. 
  • Molybdenum threshold for ecosystem scale alternative vanadium nitrogenase activity in boreal forests. 
  • Multiple origins of high reciprocal symbiotic specificity at an intercontinental spatial scale among gelatinous lichens (Collemataceae, Lecanoromycetes). 
  • Photoautotrophic symbiont and geography are major factors affecting highly structured and diverse bacterial communities in the lichen microbiome. 
  • Phylogenetic affiliations of members of the heterogeneous lichen-forming fungi of the genus Lecidea sensu Zahlbruckner (Lecanoromycetes, Ascomycota). 
  • Phylogenetic analyses of eurotiomycetous endophytes reveal their close affinities to Chaetothyriales, Eurotiales, and a new order - Phaeomoniellales. 
  • Phylogenetic reassessment of the Teloschistaceae (lichen-forming Ascomycota, Lecanoromycetes). 
  • Phylogenetic study of Catapyrenium s. str. (Verrucariaceae, lichen-forming Ascomycota) and related genus Placidiopsis. 
  • Phylogeny of lichen- and non-lichen-forming omphalinoid mushrooms and the utility of testing for combinability among multiple data sets. 
  • Single origin and subsequent diversification of central Andean endemic Umbilicaria species. 
  • Slow algae, fast fungi: exceptionally high nucleotide substitution rate differences between lichenized fungi Omphalina and their symbiotic green algae Coccomyxa. 
  • Strong fungal specificity and selectivity for algal symbionts in Florida scrub Cladonia lichens. 
  • Strong specificity and network modularity at a very fine phylogenetic scale in the lichen genus Peltigera. 
  • The adaptive radiation of lichen-forming Teloschistaceae is associated with sunscreening pigments and a bark-to-rock substrate shift. 
  • The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata. 
  • Using a multigene phylogenetic analysis to assess generic delineation and character evolution in Verrucariaceae (Verrucariales, Ascomycota). 
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  Keywords of People

  • Medeiros, Ian, Student, Biology