91 Works

A droplet reactor on a super-hydrophobic surface allows control and characterization of amyloid fibril growth

Peng Zhang, Enzo Di Fabrizio, Manola Moretti, Marco Allione, Yuansi Tian, Javier Ordonez-Loza, Davide Altamura, Cinzia Giannini, Bruno Torre, Gobind Das, Erqiang Li, Sigurdur T. Thoroddsen, Mani Sarathy, Ida Autiero, Andrea Giugni, Francesco Gentile, Natalia Malara & Monica Marini
Methods to produce protein amyloid fibrils, in vitro, and in situ structure characterization, are of primary importance in biology, medicine, and pharmacology. We first demonstrated the droplet on a super-hydrophobic substrate as the reactor to produce protein amyloid fibrils with real-time monitoring of the growth process by using combined light-sheet microscopy and thermal imaging. The molecular structures were characterized by Raman spectroscopy, X-ray diffraction and X-ray scattering. We demonstrated that the convective flow induced by...

Black Sea - High Resolution and Ultra High Resolution L3S Sea Surface Temperature

EU Copernicus Marine Service Black Sea - High Resolution and Ultra High Resolution L3S Sea Surface Temperature Product

Life-history responses of a freshwater rotifer to copper pollution

Federica R. Schanz, Stefan Sommer, Andrea Lami, Diego Fontaneto & Arpat Ozgul
In organisms with dormant stages, life-history responses to past pollution can be studied retrospectively. Here, we study such responses in a rotifer (Brachionus calyciflorus) from the once heavily copper-polluted Lake Orta (Italy). We extracted resting eggs from sediments, established clonal lineages from hatchlings, and exposed newborns of these lineages to one of three copper concentrations that each mimicked a specific period in the lake’s pollution history. For each rotifer, we daily collected life-table data. We...

Electrically tunable Berry curvature and strong light-matter coupling in liquid crystal microcavities with 2D perovskite

, , , , , , , , , , , , , De Marco Luisa, G. Lagoudakis Pavlos, &
Experimental data from the article "Tunable by electric field photonic Berry curvature in strongly coupled liquid crystal microcavity with 2D perovskite" by Karolina Łempicka-Mirek et. al. The article is available online in arXiv:2203.05289 [physics.optics] and in Science Advances 2022 (Fig.2, Fig.3, Fig.4 and Fig.5).

Baltic Sea Ocean Colour Plankton, Reflectances, Transparency and Optics L3 NRT daily observations

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Baltic Sea Ocean Colour Plankton, Reflectances, Transparency and Optics L3 NRT daily observations Product

Mediterranean Sea Ocean Colour Plankton, Reflectance, Transparency and Optics L3 NRT daily observations

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Mediterranean Sea Ocean Colour Plankton, Reflectance, Transparency and Optics L3 NRT daily observations Product

'Grey crossroads' in cultural heritage preservation and resource management

Luisa De Biagi & Roberto Puccinelli

Nautici in blu

Marina Locritani, Maria Rapini & Silvia Merlino
Gli Istituti Tecnici Nautici diffusi in diverse regioni d’Italia, hanno come scopo istituzionale la formazione di base dei futuri ufficiali di coperta e di macchina per navi mercantili e di linea. Nonostante questo sia il loro obiettivo prioritario, è sempre più diffusa la tendenza a realizzare percorsi formativi che amplino le possibilità di crescita professionale e culturale degli studenti in modo che, al termine del loro percorso scolastico, possano avere la capacità di orientarsi anche...

Baltic Sea Multiyear Ocean Colour Plankton, Reflectances and Transparency L3 daily observations

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Baltic Sea Multiyear Ocean Colour Plankton, Reflectances and Transparency L3 daily observations Product

Mediterranean Sea Ocean Colour Plankton, Reflectance, Transparency and Optics MY L3 daily observations

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Mediterranean Sea Ocean Colour Plankton, Reflectance, Transparency and Optics MY L3 daily observations Product

Black Sea Ocean Colour Plankton, Reflectance, Transparency and Optics L3 NRT daily observations

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Black Sea Ocean Colour Plankton, Reflectance, Transparency and Optics L3 NRT daily observations Product

Mediterranean Sea Ocean Colour Plankton & Transparency L4 NRT daily and monthly observations

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Mediterranean Sea Ocean Colour Plankton and Transparency L4 NRT daily & monthly observations Product

Leaf flammbility and volatiles of Ginkgo, Agathis, and Dicksonia

Rebecca Dewhirst, Sarah Baker, Jennifer McElwain, Matthew Haworth & Claire Belcher
The Triassic-Jurassic Boundary marks the third largest mass extinction event in the Phanerozoic, characterised by a rise in CO2-concentrations from ~600 ppm to ~2100 – 2400ppm, coupled with a ~3.0 – 4.0°C temperature rise. This is hypothesized to have induced major floral turnover, altering vegetation structure, composition and leaf morphology, which in turn are hypothesized to have driven changes in wildfire. However, the effects of elevated CO2 on fuel properties, such as chemical composition of...

Specialized terminology limits the citability of scientific papers

Alejandro Martinez & Stefano Mammola
Words are the building blocks of communicating science. As our understanding of the world progresses, scientific disciplines naturally enrich their specialized vocabulary (jargon). However, in the era of interdisciplinarity, the use of jargon may hinder effective communication amongst scientists that do not share a common scientific background. The question of how jargon limits the transmission of scientific knowledge has long been debated but rarely addressed quantitatively. We explored the relationship between the use of jargon...

From glacial refugia to hydrological microrefugia: factors and processes driving the persistence of the climate relict tree Zelkova sicula

Giuseppe Garfi
With only two tiny populations, the climate relict Zelkova sicula (Sicily, Italy) is one of the rarest trees in the world. It also represents the most marginal member of genus Zelkova that was widespread in the broadleaved forests thriving in warm-temperate climates throughout Eurasia until the Last Glacial Age. Occurring at the westernmost range of the genus under typical Mediterranean climate, the micro-topographic settings have always appeared crucial for the survival of this Sicilian relict....

Data from: All is fish that comes to the net: metabarcoding for rapid fisheries catch assessment

Lorenzo Talarico, Tommaso Russo, Giulia Maiello, Charles Baillie, Giuliano Colosimo, Lorenzo D'Andrea, Federico Di Maio, Fabio Fiorentino, Simone Franceschini, Germana Garofalo, Dario Scannella, Stefano Cataudella & Stefano Mariani
AbstractMonitoring marine resource exploitation is a key activity in fisheries science and biodiversity conservation. Since research surveys are time-consuming and costly, fishery-dependent data (i.e. derived directly from fishing vessels) are increasingly credited with a key role in expanding the reach of ocean monitoring. Fishing vessels may be seen as widely ranging data-collecting platforms, which could act as a fleet of sentinels for monitoring marine life, in particular exploited stocks. Here, we investigate the possibility of...

Data from: Deeply divergent sympatric mitochondrial lineages of the earthworm Lumbricus rubellus are not reproductively isolated

Iwona Giska, Pierfrancesco Sechi & Wiesław Babik
Background: The accurate delimitation of species is essential to numerous areas of biological research. An unbiased assessment of the diversity, including the cryptic diversity, is of particular importance for the below ground fauna, a major component of global biodiversity. On the British Isles, the epigeic earthworm Lumbricus rubellus, which is a sentinel species in soil ecotoxicology, consists of two cryptic taxa that are differentiated in both the nuclear and the mitochondrial (mtDNA) genomes. Recently, several...

Data from: Introgression from modern hybrid varieties into landrace populations of maize (Zea mays ssp. mays L.) in central Italy

Elena Bitocchi, Laura Nanni, Monica Rossi, Domenico Rau, Elisa Bellucci, Alessandro Giardini, Anna Buonamici, Giovanni G Vendramin & Roberto Papa
Landraces are domesticated local plant varieties that did not experienced a deliberate and intensive selection during a formal breeding programme. In Europe, maize landraces are still cultivated, particularly in marginal areas where traditional farming is often practised. Here, we have studied the evolution of flint maize landraces from central Italy over 50 years of on-farm cultivation, when dent hybrid varieties were introduced and their use was widespread. We have compared an 'old' collection, obtained during...

Data from: “Darwin’s corollary” and cytoplasmic incompatibility induced by Cardinium may contribute to speciation in Encarsia wasps (Hymenoptera: Aphelinidae)

Marco Gebiola, Suzanne E. Kelly, Peter Hammerstein, Massimo Giorgini, Molly S. Hunter & Martha S. Hunter
The potential importance of cytoplasmic incompatibility (CI) – inducing bacterial symbionts in speciation of their arthropod hosts has been debated. Theoretical advances have led to a consensus that a role is plausible when CI is combined with other isolating barriers. However, the insect model systems Nasonia and Drosophila are the only two experimental examples documented. Here we analyzed the components of reproductive isolation between the parasitoid wasp Encarsia suzannae, which is infected by the CI-inducing...

Mediterranean Sea - High Resolution Diurnal Subskin Sea Surface Temperature Analysis

EU Copernicus Marine Service Mediterranean Sea - High Resolution Diurnal Subskin Sea Surface Temperature Analysis Product

Data from: Toward a better understanding of Apis mellifera and Varroa destructor microbiomes: introducing PhyloH as a novel phylogenetic diversity analysis tool

Anna Sandionigi, Saverio Vicario, Erica M. Prosdocimi, Andrea Galimberti, Emanuele Ferri, Antonia Bruno, Bachir Balech, Valerio Mezzasalma & Maurizio Casiraghi
The study of diversity in biological communities is an intriguing field. Huge amount of data are nowadays available (provided by the innovative DNA sequencing techniques), and management, analysis and display of results are not trivial. Here, we propose for the first time the use of phylogenetic entropy as a measure of bacterial diversity in studies of microbial community structure. We then compared our new method (i.e. the web tool phyloh) for partitioning phylogenetic diversity with...

Data from: Spatial dynamics and mixing of bluefin tuna in the Atlantic Ocean and Mediterranean Sea revealed using next generation sequencing

Gregory Neils Puncher, Alessia Cariani, Gregory E. Maes, Jeroen Van Houdt, Koen Herten, Rita Cannas, Naiara Rodriguez-Ezpeleta, Aitor Albaina, M. Andone Estonba, Molly Lutcavage, Alex Hanke, Jay Rooker, James S. Franks, Joseph M. Quattro, Gualtiero Basilone, Igaratza Fraile, Urtzi Laconcha, Nicolas Goñi, Ai Kimoto, A. David Macías, Francisco Alemany, Simeon Deguara, Salem W. Zgozi, Fulvio Garibaldi, Isik K. Oray … & Fausto Tinti
The Atlantic bluefin tuna is a highly migratory species emblematic of the challenges associated with shared fisheries management. In an effort to resolve the species’ stock dynamics, a genome-wide search for spatially informative single nucleotide polymorphisms (SNPs) was undertaken, by way of sequencing reduced representation libraries. An allele frequency approach to SNP discovery was used, combining the data of 555 larvae and young-of-the-year (LYOY) into pools representing major geographical areas and mapping against a newly...

Data from: Spatial genetic structure in continuous and fragmented populations of Pinus pinaster Aiton

Ana De-Lucas, Santiago González-Martínez, Giovanni G Vendramin, Elena Hidalgo & Myriam Heuertz
Habitat fragmentation, i.e., the reduction of populations into small isolated remnants, is expected to increase spatial genetic structure (SGS) in plant populations through non-random mating, lower population densities and potential aggregation of reproductive individuals. We investigated the effects of population size reduction and genetic isolation on SGS in maritime pine (Pinus pinaster Aiton) using a combined experimental and simulation approach. Maritime pine is a wind-pollinated conifer which has a scattered distribution in the Iberian Peninsula...

Data from: Molecular and morphological diversity of on-farm hazelnut (Corylus avellana L.) landraces from southern Europe and their role in the origin and diffusion of cultivated germplasm

P. Boccacci, M. Aramini, N. Valentini, L. Bacchetta, M. Rovira, P. Drogoudi, A. P. Silva, A. Solar, F. Calizzano, V. Erdoğan, V. Cristofori, L. F. Ciarmiello, C. Contessa, J. J. Ferreira, F. P. Marra & R. Botta
Hazelnut (Corylus avellana L.) is a traditional nut crop in southern Europe. Germplasm exploration conducted on-farm in five countries (Portugal, Spain, Italy, Slovenia, and Greece) identified 77 landraces. The present work describes phenotypic variation in nut and husk traits and investigates genetic relationships using 10 simple sequence repeat (SSR) markers among these landraces, 57 well-known references cultivars, and 19 wild accessions. Among the 77 landraces, 42 had unique fingerprints while 35 showed a SSR profile...

Data from: Comparison of pollen gene flow among four European beech (Fagus sylvatica L.) populations characterized by different management regimes

Andrea Piotti, Stefano Leonardi, Joukje Buiteveld, Thomas Geburek, Sophie Gerber, Koen Kramer, Cristina Vettori & Giovanni G. Vendramin
The study of dispersal capability of a species can provide essential information for the management and conservation of its genetic variability. Comparison of gene flow rates among populations characterized by different management and evolutionary histories allows one to decipher the role of factors such as isolation and tree density on gene movements. We used two paternity analysis approaches and different strategies to handle possible presence of genotyping errors to obtain robust estimates of pollen flow...

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