Results 21 to 30 of about 207 (108)

<p><strong>Allelopathic effect of the <em>Cladonia verticillaris </em>lichen extracts and fumarprotocetraric acid on the early growth of germinated seedlings in <em>Allium cepa </em>L.</strong></p> [PDF]

open access: yesBryophyte Diversity and Evolution, 1999
The allelopathic activity of the different type of Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of A. cepa (IPA 6) germinated seedlings depends on their chemical composition and concentration, respectively. It was observed that the length of the radicle was significantly stimulated by fumarprotocetraric acid at
Yano-Melo A. M.   +2 more
openaire   +1 more source

Influência de poluentes atmosféricos em Belo Jardim (PE) utilizando Cladonia verticillaris (líquen) como biomonitor Influence of atmospheric pollutants in Belo Jardim (PE) using Cladonia verticillaris (lichen) as biomonitor

open access: yesQuímica Nova, 2007
Cladonia verticillaris used in this study was collected in the cerrado vegetation of Saloá (PE, Brazil) and transplanted in plastic containers on soil from the collection place to Belo Jardim (PE) that possesses lead smelters and battery industries.
Fernando de Oliveira Mota Filho   +4 more
doaj   +1 more source

Antimicrobial Activity of Cladonia verticillaris Lichen Preparations on Bacteria and Fungi of Medical Importance

open access: yesChinese Journal of Biology, Volume 2014, Issue 1, 2014., 2014
Cladonia verticillaris lichen lectin (ClaveLL) was purified using a previously established protocol and then evaluated for its potential antimicrobial activity. Initially, the autochthonous lichen was submitted to extraction with sodium phosphate buffer pH 7.0, followed by filtration and centrifugation to obtain crude extract.
Dalila de Brito Marques Ramos   +7 more
wiley   +1 more source

The putative role of fumarprotocetraric acid in the manganese tolerance of the lichen Lecanora conizaeoides

open access: yesThe Lichenologist, 2007
Hauck & Huneck (2007) and Hauck et al. (2007) established that lichen secondary chemistry is related to metal absorption in the apoplast of lichens. Depsidones occurring in the medulla of the Mn2+ and Cu2+-sensitive epiphytic lichen Hypogymnia physodes were found to reduce the absorption of Mn2+ and Cu2+ at cation exchange sites (Hauck & Huneck
Hauck, Markus, Huneck, Siegfried
openaire   +2 more sources

Management of Cosmetic Embarrassment Caused by Malassezia spp. with Fruticose Lichen Cladia Using Phylogenetic Approach

open access: yesBioMed Research International, Volume 2013, Issue 1, 2013., 2013
During anti‐Malassezia screening of plants by CLSI broth microdilution method, Cladia aggregata (Swartz) Nyl. (family Cladoniaceae), a fruticose lichen from Sikkim (northeast Himalayan region), has been found effective at minimum inhibitory concentrations (mg/mL) of 2.72, 0.63, and 1.28 against yeast‐like fungi namely, M. furfur, M.
Anand Pandey   +6 more
wiley   +1 more source

High acidity tolerance in lichens with fumarprotocetraric, perlatolic or thamnolic acids is correlated with low pKa1 values of these lichen substances

open access: yesEnvironmental Pollution, 2009
The depsidone fumarprotocetraric acid as well as the depsides perlatolic and thamnolic acids are lichen secondary metabolites. Their first dissociation constants (pK(a1)) in methanol were determined to be 2.7 for perlatolic acid and 2.8 for fumarprotocetraric and thamnolic acids by UV spectroscopy. Lower pK(a1) values are, so far, not known from lichen
Hauck, Markus   +3 more
openaire   +3 more sources

Efects of Usnic, Barbatic and Fumarprotocetraric acids on Survival of Nasutitermes corniger (Isoptera: Termitidae: Nasutitermitinae)

open access: yesSociobiology, 2018
Lichens (Algal-Fungal association) synthesize unique chemical substances with different biological activities. Three pure lichen compounds were assayed to evaluate their potential insecticidal activity against the termite Nasutitermes corniger on Petri dishes.
Monica C B Martins   +9 more
openaire   +3 more sources

Functional Traits Mediate Physico‐Chemical Niche Differentiation of Epiphytic Lichens and Bryophytes in Temperate Forests

open access: yesJournal of Vegetation Science, Volume 37, Issue 2, March/April 2026.
Host tree identity drives bark physico‐chemical filters (e.g., pH, metals) that shape epiphytic communities. We show that species‐specific functional traits, such as lichen substances and bryophyte growth forms, mediate these responses. Lichen metal homeostasis and bryophyte growth habit create distinct species thresholds and community change points ...
Theresa Möller   +2 more
wiley   +1 more source

New distributional records of lichenized fungi for India from Arunachal Pradesh

open access: yesNordic Journal of Botany, Volume 2026, Issue 2, February 2026.
In the present communication 10 lichen species are reported as new records for India, viz. Byssoloma marginatum, Byssoloma xanthonicum, Chapsa boninensis, Coenogonium nepalense, Lecania cyrtella, Malmidea albomarginata, Myriotrema thailandicum, Myriotrema viride, Rostania occultata and Wirthiotrema duplomarginatum. Notably, B.
Ambikesh Debnath   +3 more
wiley   +1 more source

Different Patterns of Frequency, Lichen Specificity and Thallus Location Between the Yeast and Filamentous Phases of Two Lichen‐Inhabiting Basidiomycetes

open access: yesEnvironmental Microbiology, Volume 27, Issue 11, November 2025.
The yeast phases of two lichen‐inhabiting basidiomycetes (1) are less specific towards the lichen they inhabit than the filamentous phase, (2) coexist with yeasts of different taxonomic classes and (3) occur in the cortex—as previously reported—but also in the medulla and interestingly in the soredia, the asexual symbiotic propagules of the lichen ...
Ana M. Millanes   +8 more
wiley   +1 more source

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