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Parasites play a critical yet understudied role in Arctic ecosystems, particularly within key subsistence species such as Arctic char ( Salvelinus alpinus ). As the Arctic undergoes rapid climate-driven change, establishing baseline parasite biodiversity is essential for monitoring ecological shifts and anticipating emerging health and conservation concerns. This study provides the most comprehensive assessment to date of Arct...
Diagnosis of Mycobacteriosis in Cultured Hybrid Tilapia ( Oreochromis spp.) in Trinidad and TobagoNARA Subscribed
Mycobacteriosis is a significant disease in fish husbandry, with negative impacts on production facilities. Moreover, some Mycobacterium spp. that infect fish have zoonotic potential. Morbidity and mortality events at hybrid tilapia ( Oreochromis spp.) farms in Trinidad and Tobago (T&T) associated with mycobacterial infections prompted a broader surveillance investigation across the hybrid tilapia farms within the country. Of...
A candidate gene marker at the red kidney color locus (Rk) enables the development of slow-darkening pink beansNARA Subscribed
Key message Identification of Rk candidate gene and diagnostic markers enabled precise introduction of the slow‑darkening (SD) allele into pink beans, producing stable SD phenotypes and expanding breeding utility across market classes. Abstract Common bean ( Phaseolus vulgaris L.) is a globally important and nutritious crop with diverse market classes. Multiple genes control the seed coat color and patterns that characterize t...
Modeling of gene regulatory networks: an annotated glossaryNARA Subscribed
Interpretable deep learning reveals spatiotemporal MRI features of brain aging that align with neurodegenerationNARA Subscribed
Cortical thinning and atrophy are hallmarks of brain aging that have been characterized using magnetic resonance imaging (MRI). Brain aging involves many neuroanatomic features whose effects on brain structure remain unexplored. To address this challenge, we trained interpretable deep neural networks (DNNs) to estimate brain age (BA) from T 1 -weighted ( T 1 w) MRI. By identifying MRI features unapparent to humans, DNNs can fi...
Task difficulty and limb dominance modulate the effects of ageing on neuromuscular functionNARA Subscribed
Neuromuscular function is critical for independence in ageing, yet asymmetries between dominant and non-dominant limbs, arising from central or peripheral mechanisms, are not well understood. This study examined age- and limb-related differences and motor unit (MU) firing behaviour of the vastus lateralis under tasks of varying difficulty. Twenty-one young (22 ± 4 years; 15 M, 6F) and seventeen older adults (74 ± 5 years; 12 M...
Increased root‐derived carbon buffers soil carbon loss under simultaneous warming and nitrogen additionNARA Subscribed
Plant roots are primary drivers of soil organic matter dynamics, mediating belowground carbon (C) inputs, stabilization, and losses. Yet, how global changes such as rising temperatures and altered nitrogen (N) availability interact to affect these dynamics has rarely been tested empirically in the field. Here, we quantify how inputs to soil organic matter from fine‐root production, root exudates, and root‐associated fungi resp...
Why gold deposits are not caused by fluids from the mantleNARA Subscribed
Genetic variation that impacts gene regulation, rather than protein function, can have strong effects on trait variation both within and between species. Epigenetic mechanisms, such as DNA methylation, are often an important intermediate link between genotype and phenotype, yet genetic effects on DNA methylation remain understudied in natural populations. To address this gap, we used reduced representation bisulfite sequencing...
Assessing the phytosanitary threats of two non-native crickets under temperature changeNARA Subscribed
Numerous phytosanitary threats challenge global agriculture, ecosystems, and food security. These threats are exacerbated by non-native species and diseases that are projected to intensify in the future due to global warming and anthropogenic habitat alterations. Assessments of the ecological impacts of overlooked phytosanitary threats are urgently needed under shifting environments. In this study, the potential effects of two...