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Synchrotron X-ray spectromicroscopy analysis of wear tested graphene-containing alumina coatings

Thermally sprayed Al2O3 coatings containing graphene nano platelets (GNP) have been shown to exhibit improved wear resistance. To understand the positive influence of GNP on wear properties, scanning transmission X-ray microscopy (STXM) analyses were performed to determine the structural and chemical changes that occur on the GNP and alumina matrix after wear tests. STXM results acquired at the C

Migrants as sustainability actors : Contrasting nation, city and migrant discourses and actions

Although it is widely recognized that migration is socially transformative, the potential contributions of migrants to transformations towards sustainability in their destination areas are often overlooked in mainstream discourse on environmentalism and sustainability. Here we seek to identify current narratives of migrants and sustainability across individual, urban, and national scales. Migrants

TLE3 Is a Novel Fusion Partner of JAK2 in Myeloid/Lymphoid Neoplasm With Eosinophilia Responding to JAK2 Inhibition

Chromosomal rearrangements involving Janus kinase 2 (JAK2) are rare but recurrent findings in lymphoid or myeloid neoplasia. Detection of JAK2 fusion genes is important as patients with aberrantly activated JAK2 may benefit from treatment with tyrosine kinase inhibitors such as ruxolitinib. Here, we report a novel fusion gene between the transcriptional co-repressor-encoding gene transducin-like e

Talk it out: Coping with climate change and biodiversity loss in private-sphere conversations

In times of escalating global environmental crises and subsequent troubling emotional experiences, it is imperative to understand the psychological mechanisms through which people cope. Although it is increasingly recommended to talk about global environmental change and the emotions it evokes as a way of coping with its overwhelming and existential nature, private-sphere conversations about clima

Reaction Mechanism for CO Reduction by Mo-Nitrogenase Studied by QM/MM

We have studied the conversion of two molecules of carbon monoxide to ethylene catalyzed by nitrogenase. We start from a recent crystal structure showing the binding of two carbon monoxide molecules to nitrogenase and employ the combined quantum mechanics and molecular mechanics approach. Our results indicate that the reaction is possible only if S2B dissociates as H2S (i.e., the charge of the FeM

Trans Masculine Geographies: On Navigating Urban Spaces and Negotiating Liveable Lives in Cape Town and Johannesburg, South Africa

Denna avhandling är en kvalitativ, livshistorisk och narrativ studie som undersöker hur 19 vuxna transmaskulina personer i Johannesburg och Kapstaden, Sydafrika, navigerar och förhandlar fram hållbara liv i de miljöerna de lever och rör sig i. Studiens teoretiska ramverk bygger på teoretiska inslag från feministisk geografi, queerfenomenologi, svart transfeminism och analyser av rasifierad kapitalThis dissertation is a qualitative, life history/narrative study that explores how 19 adult trans masculine people living in different urban areas around Johannesburg and Cape Town, South Africa, navigate and negotiate liveable lives in the spaces and places they live and move in. This study draws from the theoretical and analytical traditions of feminist geographies, queer phenomenology, black tr

Testing an hypothesis of hybrid zone movement for toads in France

Hybrid zone movement may result in substantial unidirectional introgression of selectively neutral material from the local to the advancing species, leaving a genetic footprint. This genetic footprint is represented by a trail of asymmetric tails and displaced cline centres in the wake of the moving hybrid zone. A peak of admixture linkage disequilibrium is predicted to exist ahead of the centre o

A global initiative for ecological and evolutionary hologenomics

The Earth Hologenome Initiative (EHI) is a global collaboration to generate and analyse hologenomic data from wild animals and associated microorganisms using standardised methodologies underpinned by open and inclusive research principles. Initially focused on vertebrates, it aims to re-examine ecological and evolutionary questions by studying host–microbiota interactions from a systemic perspect

Genetic and Epigenetic Differentiation Across Intertidal Gradients in the Foundation Plant Spartina alterniflora

Ecological genomics approaches have informed us about the structure of genetic diversity in natural populations that might underlie patterns in trait variation. However, we still know surprisingly little about the mechanisms that permit organisms to adapt to variable environmental conditions. The salt marsh foundation plant Spartina alterniflora exhibits a dramatic range in phenotype that is assoc

A genomic footprint of a moving hybrid zone in marbled newts

We developed a panel of 44 nuclear genetic markers and applied this to two hybridizing species of marbled newts in the north (Triturus marmoratus) and the south (Triturus pygmaeus) of the Iberian Peninsula, to investigate pattern and process of interspecific gene flow. The northernmost occurrence of T. pygmaeus genetic material was in a T. marmoratus population north of the Vouga river estuary. Th

Molecular data reveal the hybrid nature of an introduced population of banded newts (Ommatotriton) in Spain

The three species of banded newt (genus Ommatotriton) are endemic to the Near East. Recently an introduced banded newt population was discovered in Catalonia, Spain. To determine the species involved and the geographical source, we genotyped 11 individuals for one mitochondrial and two nuclear genetic markers, and compared the observed haplotypes to a range-wide phylogeography of Ommatotriton. All

Tracing species replacement in Iberian marbled newts

Secondary contact between closely related species can lead to the formation of hybrid zones, allowing for interspecific gene flow. Hybrid zone movement can take place if one of the species possesses a competitive advantage over the other, ultimately resulting in species replacement. Such hybrid zone displacement is predicted to leave a genomic footprint across the landscape in the form of asymmetr

Variations in glutamine deamidation for a Châtelperronian bone assemblage as measured by peptide mass fingerprinting of collagen

Peptide mass fingerprinting of bone collagen (ZooMS) has previously been proposed as a method to calculate the extent of the non-enzymatic degradation of glutamine into glutamic acid (deamidation). Temporal and spatial variation of glutamine deamidation at a single site, however, has not been investigated. Here we apply ZooMS screening of Châtelperronian and Early Holocene bone specimens from Quin

The Near East as a cradle of biodiversity : A phylogeography of banded newts (genus Ommatotriton) reveals extensive inter- and intraspecific genetic differentiation

The banded newt (genus Ommatotriton) is widely distributed in the Near East (Anatolia, Caucasus and the Levant) – an understudied region from the perspective of phylogeography. The genus is polytypic, but the number of species included and the phylogenetic relationships between them are not settled. We sequenced two mitochondrial and two nuclear DNA markers throughout the range of Ommatotriton. Fo