JJH Katalog - Lichenological literature

35421

Liu L., Zuo Q., Xue J., Ren Z. & Zhang L. (2023): Three new species of Herpothallon (Lichenized Ascomycota) from Southern China - Phytotaxa, 59(4): 287–296

This paper describes three species of Herpothallon new to science from southern China: H. glaucescens, H. lilacinum and H. tomentosum. The three species all possess a non-pigmented thallus, hypothallus and prothallus. Herpothallon glaucescens has a white, whitish grey to greyish green thallus and swollen, subglobose to ± vermiform pseudisidia, rounded at the top. Herpothallon lilacinum has subglobose or irregularly cushion-shaped, fluffy-felty pseudisidia, white at the base, lilac to lilac … Read more...

35422

Rajendran K., Karuppiah P., Ponnusamy P., Shaik M.R., Khan M., Oh T.H. & Shaik B. (2023): Anti-inflammatory activity of mycobiont extract of Parmotrema austrosinense (Zahlbr.) Hale in a zebrafish model - Journal of Marine Science and Engineering, 11(5): 1081 [13 p.]

Thousands of different kinds of lichen metabolites are being examined for their biological activities, including anticancer properties. In this context, the present study aims to assess the anti-inflammatory activity of the acetone extract of Parmotrema austrosinense mycobiont. A lipid peroxidation assay was performed with the acetone extracts of P. austrosinense mycobiont, which was further used to evaluate its anti-inflammatory efficacy using a zebrafish model. Furthermore, the histopathological … Read more...

35423

Mętrak M., Wilk M., Jasser I., Khomutovska N., Korabiewski B., Niyatbekov T., Płociniczak T., Wrzosek M. & Suska-Malawska M. (2023): Morphology and distribution of biological soil crusts and their potential role in soil-forming processes under dry high-altitude periglacial conditions (Eastern Pamir, Tajikistan) - Geoderma Regional, 33: e00636 [18 p.]

Under demanding climatic conditions that limit the development of vascular vegetation, biological soil crusts (BSCs) drive the processes of soil formation and nutrient sequestration. Though BSCs were studied in glacier forelands worldwide, the high-altitude areas with a combination of glaciation/deglaciation and arid or hyperarid climate remain almost unstudied in this respect. Therefore, we provided the first data on BSCs from a glacier foreland in the E Pamir. These characteristics can … Read more...

35424

Palmroos I., Norros V., Keski-Saari S., Mäyrä J., Tanhuanpää T., Kivinen S., Pykälä J., Kullberg P., Kumpula T. & Vihervaara P. (2023): Remote sensing in mapping biodiversity – A case study of epiphytic lichen communities - Forest Ecology and Management, 538: 120993 [10 p.]

In boreal forests, European aspen (Populus tremula L.) is a keystone species that hosts a variety of accompanying species including epiphytic lichens. Forest management actions have led to a decrease in aspen abundance and subsequent loss of suitable habitats of epiphytic lichens. In this study, we evaluate the environmental responses of epiphytic lichen species richness and community composition on aspen, focusing on the potential of remote sensing by combined hyperspectral imaging and airborne … Read more...

35425

Counoy H., Turcati L., Lorrillière R., Bénateau S., Maalouf J.-P., Agnello G., Turpin S., Agnan Y. (2023): Performance evaluation and applicability of Lichens GO, a citizen science-based protocol for urban air quality monitoring - Ecological Indicators, 150: 110269 [11 p.]

The Lichens GO program is a French citizen science initiative based on the European guidelines that aims to evaluate the lichen diversity for urban air quality monitoring. In this study, we assessed the performance and applicability of the current Lichens GO protocol to then propose adaptations to make it more reliable and feasible for citizen science. To achieve this goal, we considered four aspects of the citizen science program: potential protocol simplifications, sampling site availability, … Read more...

35426

Si H., Su Y., Wang Y., Bose T. & Chang R. (2023): The effects of co‑culture on the expression of selected PKS genes in the lichenized fungus Xanthoparmelia taractica - Mycological Progress, 22: 41 [14 p.]

Lichens produce diverse secondary metabolites. A diversity of these compounds is synthesized by fungal polyketide synthases (PKSs). In this study, we catalogued the PKS genes from Xanthoparmelia taractica, a lichen with global distribution. To accomplish this, we isolated the symbionts to sequence the whole genome of the mycobiont and established an in vitro co-culture system for this lichen. We also added an endolichenic fungus, Coniochaeta fibrosae, to this co-culture to evaluate its effect … Read more...

35427

Gunawardana D., Wanigatunge R.P., Wewalwela J.J., Vithanage M.M. & Wijeyaratne C. (2023): Sulfur is in the air: cyanolichen marriages and pollution - Acta Biotheoretica, 71: 14 [20 p.]

Cyanolichens are symbiotic organisms involving cyanobacteria and fungi (bipartite) or with the addition of an algal partner (tripartite). Cyanolichens are known for their heightened susceptibility to environmental pollution. We focus here on the impacts on cyanolichens due to rising air pollution; we are especially interested in the role of sulfur dioxide on cyanolichen biology. Cyanolichens due to air pollution including sulfur dioxide exposure, show symptomatic changes including degradation … Read more...

35428

Habib K., Chiva S., Firdous Q., Nadeem S., Niazi A.R., Barreno E. & Khalid A.N. (2023): A new species of Clavascidium (Verrucariales, Lichenized Ascomycota) from Pakistan and Spain, with remarks on the photosymbiont - Plant Systematics and Evolution, 309: 17 [9 p.]

Based on molecular and morphological evidence, a new species within Verrucariaceae, Clavascidium hispaniam-pakistanica is described from Pakistan and Spain. The taxon is characterized by thicker and slightly larger squamules with a mixed-type medulla. Additionally, it has marginal pycnidia with bacilliform conidia. We have also detected the microalga Myrmecia israelensis as the main photosymbiont in the lichens analyzed, reinforcing the often-established specificity between the lichen genus … Read more...

35429

Fan D., Liu L., Cao S., Liao R., Liu C. & Zhou Q. (2023): Transcriptional analysis of the dimorphic fungus Umbilicaria muehlenbergii reveals the molecular mechanism of phenotypic transition - World Journal of Microbiology and Biotechnology, 39: 170 [14 p.]

The lichen-forming fungus Umbilicaria muehlenbergii undergoes a phenotypic transition from a yeast-like to a pseudohyphal form. However, it remains unknown if a common mechanism is involved in the phenotypic switch of U. muehlenbergii at the transcriptional level. Further, investigation of the phenotype switch molecular mechanism in U. muehlenbergii has been hindered by incomplete genomic sequencing data. Here, the phenotypic characteristics of U. muehlenbergii were investigated after cultivation … Read more...

35430

Jegede O.O., Standen K.M., Siciliano S., Lamb E.G. & Stewart K.J. (2023): Rocks, lichens, and woody litter influenced the soil invertebrate density in upland tundra heath - PLoS ONE, 18(5):e0282068

Soil invertebrates are an integral part of Arctic ecosystems through their roles in the breakdown of litter, soil formation, and nutrient cycling. However, studies examining soil invertebrates in the Arctic are limited and our understanding of the abiotic and biotic drivers of these invertebrate communities remains understudied. We examined differences in soil invertebrate taxa (mites, collembolans, enchytraeids) among several undisturbed upland tundra heath sites in Nunavut Canada and identified … Read more...