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The role of cholesterol-sphingomyelin membrane nanodomains in the stability of intercellular membrane nanotubes
The ICN was modeled as an axisymmetric tubular structure, enabling us to investigate the effects of cholesterol content on the ICN curvature, and the removal of cholesterol was predicted to reduce the positive spontaneous curvature of the remaining membrane components, increasing their curvature mismatch with the tube curvature.
Comparative genomics reveals high biological diversity and specific adaptations in the industrially and medically important fungal genus Aspergillus
Comparative studies of key aspects of fungal biology, including primary and secondary metabolism, stress response, biomass degradation, and signal transduction, revealed both conservation and diversity among the species, allowing for the first time a genus-wide view of the biological diversity of the aspergilli.
Effects of nano carbon black and single-layer graphene oxide on settlement, survival and swimming behaviour of Amphibalanus amphitrite larvae
N nano-sized carbon black (nCB) is proposed as an innovative antifouling nanomaterial that shows low toxicity towards the model organism (crustaceans) used in this study.
Characterization of anticholinesterase-active 3-alkylpyridinium polymers from the marine sponge Reniera sarai in aqueous solutions.
It is found that biologically active polymers are composed of head-to-tail 3-alkylpyridinium units, which are soluble only in water, while low molecular oligomers are readily soluble in organic solvents.
Interaction of ostreolysin, a cytolytic protein from the edible mushroom Pleurotus ostreatus, with lipid membranes and modulation by lysophospholipids.
The inhibitory effect of lysophospholipids may reflect a regulatory role for these components on the physiological action of ostreolysin and related proteins during fruiting.
Effects of ingested nano‐sized titanium dioxide on terrestrial isopods (Porcellio scaber)
The experimental setup with terrestrial isopods designed for dissolved chemicals also is suitable for testing the effects of ingested nanoparticles, but the presentation of toxicity data needs to be adapted according to the mode of action of the nanoparticles and their specific characteristics.
Cytolytic proteins from cnidarians - an overview.
The physiological relevance of membrane permeabilization is described, and basic data on those proteinaceous cnidarian cytolysins proven or presumed to damage cell membranes by pore formation are presented.