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The Marine Biological Laboratory is an international center for research, education, and training in biology, biomedicine, and ecology.
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Changes in species abundance after seven years of elevated atmospheric CO2 and warming in a Subarctic birch forest understorey, as modified by rodent and moth outbreaks
(PeerJ, 2018-05-29)A seven-year long, two-factorial experiment using elevated temperatures (5 °C) and CO2 (concentration doubled compared to ambient conditions) designed to test the effects of global climate change on plant community composition ... -
Soil bacterial diversity is associated with human population density in urban greenspaces
(2018-04)Urban greenspaces provide extensive ecosystem services, including pollutant remediation, water management, carbon maintenance, and nutrient cycling. However, while the urban soil microbiota underpin these services, we still ... -
Biochemical properties of bacterial reverse transcriptase-related (rvt) gene products : multimerization, protein priming, and nucleotide preference
(2018-05)Cellular reverse transcriptase-related (rvt) genes represent a novel class of reverse transcriptases (RTs), which are only distantly related to RTs of retrotransposons and retroviruses, but, similarly to telomerase RTs, ... -
Impacts of increased α-synuclein on clathrin-mediated endocytosis at synapses : implications for neurodegenerative diseases
(Wolters Kluwer, 2018-04-27)Parkinson's disease (PD) is a neurodegenerative disease that impacts the lives of millions of people worldwide. A pathological hallmark of PD, as well as dementia with Lewy bodies (DLB) and several Alzheimer's disease ... -
Variation in traction forces during cell cycle progression
(2017-10-31)Tissue morphogenesis results from the interplay between cell growth and mechanical forces. While the impact of forces on cell proliferation has been fairly well characterized, the inverse relationship is much less ... -
Transposable elements and polyploid evolution in animals
(2018-04)Polyploidy in animals is much less common than in plants, where it is thought to be pervasive in all higher plant lineages. Recent studies have highlighted the impact of polyploidization and the associated process of ... -
Identification and removal of contaminant sequences from ribosomal gene databases : lessons from the Census of Deep Life
(Frontiers Media, 2018-04-30)Earth’s subsurface environment is one of the largest, yet least studied, biomes on Earth, and many questions remain regarding what microorganisms are indigenous to the subsurface. Through the activity of the Census of Deep ... -
Salt marsh sediment bacterial communities maintain original population structure after transplantation across a latitudinal gradien
(PeerJ, 2018-05-01)Dispersal and environmental selection are two of the most important factors that govern the distributions of microbial communities in nature. While dispersal rates are often inferred by measuring the degree to which community ... -
Constraining marsh carbon budgets using long‐term C burial and contemporary atmospheric CO2 fluxes
(John Wiley & Sons, 2018-02-06)Salt marshes are sinks for atmospheric carbon dioxide that respond to environmental changes related to sea level rise and climate. Here we assess how climatic variations affect marsh‐atmosphere exchange of carbon dioxide ... -
Effect of growth temperature on photosynthetic capacity and respiration in three ecotypes of Eriophorum vaginatum
(John Wiley & Sons, 2018-03-06)Ecotypic differentiation in the tussock‐forming sedge Eriophorum vaginatum has led to the development of populations that are locally adapted to climate in Alaska's moist tussock tundra. As a foundation species, E. vaginatum ... -
mRNA structure determines specificity of a polyQ-driven phase separation
(2018-04)RNA promotes liquid-liquid phase separation (LLPS) to build membrane-less compartments in cells. How distinct molecular compositions are established and maintained in these liquid compartments is unknown. Here we report ... -
Current understanding of the human microbiome
(2018-02-05)Our understanding of the link between the human microbiome and disease, including obesity, inflammatory bowel disease, arthritis and autism, is rapidly expanding. Improvements in the throughput and accuracy of DNA sequencing ... -
The signaling lipid sphingosine 1-phosphate regulates mechanical pain
(eLife, 2018-03-21)Somatosensory neurons mediate responses to diverse mechanical stimuli, from innocuous touch to noxious pain. While recent studies have identified distinct populations of A mechanonociceptors (AMs) that are required for ... -
Transgenic Xenopus laevis line for in vivo labeling of nephrons within the kidney
(MDPI AG, 2018-04-06)Xenopus laevis embryos are an established model for studying kidney development. The nephron structure and genetic pathways that regulate nephrogenesis are conserved between Xenopus and humans, allowing for the study of ... -
Long‐term nutrient addition alters arthropod community composition but does not increase total biomass or abundance
(2017-09)A simple bottom–up hypothesis predicts that plant responses to nutrient addition should determine the response of consumers: more productive and less diverse plant communities, the usual result of long‐term nutrient addition, ... -
Tidal and diel orchestration of behaviour and gene expression in an intertidal mollusc
(Nature Publishing Group, 2018-03-20)Intertidal inhabitants are exposed to the 24-hour solar day, and the 12.4 hour rising and falling of the tides. One or both of these cycles govern intertidal organisms’ behaviour and physiology, yet little is known about ... -
A model suite of green algae within the Scenedesmaceae for investigating contrasting desiccation tolerance and morphology
(The Company of Biologists, 2018-04-10)Microscopic green algae inhabiting desert microbiotic crusts are remarkably diverse phylogenetically, and many desert lineages have independently evolved from aquatic ancestors. Here we worked with five desert and aquatic ... -
Prc1E and Kif4A control microtubule organization within and between large Xenopus egg asters
(American Society for Cell Biology, 2018-03-23)The cleavage furrow in Xenopus zygotes is positioned by two large microtubule asters that grow out from the poles of the first mitotic spindle. Where these asters meet at the midplane, they assemble a disk-shaped interaction ... -
Nitrate is an important nitrogen source for Arctic tundra plants
(National Academy of Sciences, 2018-03-27)Plant nitrogen (N) use is a key component of the N cycle in terrestrial ecosystems. The supply of N to plants affects community species composition and ecosystem processes such as photosynthesis and carbon (C) accumulation. ... -
Homogenization of plant diversity, composition, and structure in North American urban yards
(John Wiley & Sons, 2018-02-15)Urban ecosystems are widely hypothesized to be more ecologically homogeneous than natural ecosystems. We argue that urban plant communities assemble from a complex mix of horticultural and regional species pools, and ...
