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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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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 ... -
Opportunities and challenges of high-resolution remote sensing of sun-induced fluorescence
(2017-08-17)Estimating plant photosynthesis and gross primary production (GPP) regionally and globally remains challenging despite its primary role in driving ecosystem productivity and carbon cycling. Recently, satellite-derived ... -
Microvillar and ciliary defects in zebrafish lacking an actin-binding bioactive peptide amidating enzyme
(Nature Publishing Group, 2018-03-14)The assembly of membranous extensions such as microvilli and cilia in polarized cells is a tightly regulated, yet poorly understood, process. Peptidylglycine α-amidating monooxygenase (PAM), a membrane enzyme essential for ... -
Prey range and genome evolution of Halobacteriovorax marinus predatory bacteria from an estuary
(American Society for Microbiology, 2018-01-10)Halobacteriovorax strains are saltwater-adapted predatory bacteria that attack Gram-negative bacteria and may play an important role in shaping microbial communities. To understand how Halobacteriovorax strains impact ... -
ALS-linked FUS exerts a gain of toxic function involving aberrant p38 MAPK activation
(Nature Publishing Group, 2017-03-08)Mutations in Fused in Sarcoma/Translocated in Liposarcoma (FUS) cause familial forms of amyotrophic lateral sclerosis (ALS), a neurodegenerative disease characterized by progressive axonal degeneration mainly affecting ... -
Soil carbon dynamics in soybean cropland and forests in Mato Grosso, Brazil
(John Wiley & Sons, 2018-01-05)Climate and land use models predict that tropical deforestation and conversion to cropland will produce a large flux of soil carbon (C) to the atmosphere from accelerated decomposition of soil organic matter (SOM). However, ... -
Spatially distinct, temporally stable microbial populations mediate biogeochemical cycling at and below the seafloor in hydrothermal vent fluids
(John Wiley & Sons, 2017-12-15)At deep-sea hydrothermal vents, microbial communities thrive across geochemical gradients above, at, and below the seafloor. In this study, we determined the gene content and transcription patterns of microbial communities ... -
ORCHIDEE-PEAT (revision 4596), a model for northern peatland CO2, water, and energy fluxes on daily to annual scales
(Copernicus Publications on behalf of the European Geosciences Union, 2018-02-05)Peatlands store substantial amounts of carbon and are vulnerable to climate change. We present a modified version of the Organising Carbon and Hydrology In Dynamic Ecosystems (ORCHIDEE) land surface model for simulating ... -
Linking pangenomes and metagenomes : the Prochlorococcus metapangenome
(PeerJ, 2018-01-25)Pangenomes offer detailed characterizations of core and accessory genes found in a set of closely related microbial genomes, generally by clustering genes based on sequence homology. In comparison, metagenomes facilitate ... -
Marine isoprene production and consumption in the mixed layer of the surface ocean – a field study over two oceanic regions
(Copernicus Publications on behalf of the European Geosciences Union, 2018-02-01)Parameterizations of surface ocean isoprene concentrations are numerous, despite the lack of source/sink process understanding. Here we present isoprene and related field measurements in the mixed layer from the Indian ... -
Toward a consistent modeling framework to assess multi-sectoral climate impacts
(Nature Publishing Group, 2018-02-13)Efforts to estimate the physical and economic impacts of future climate change face substantial challenges. To enrich the currently popular approaches to impact analysis—which involve evaluation of a damage function or ... -
Targeted knockout of lhx1 via CRISPR/Cas9 gene editing in the Xenopus laevis kidney
(2017-09-29)Studying genes involved in organogenesis is often difficult because many of these genes are also essential for early development. The allotetraploid frog, Xenopus laevis, is commonly used to study developmental processes, ... -
Metagenomic investigation of vestimentiferan tubeworm endosymbionts from Mid-Cayman Rise reveals new insights into metabolism and diversity
(BMC, 2018-01-27)The microbial endosymbionts of two species of vestimentiferan tubeworms (Escarpia sp. and Lamellibrachia sp.2) collected from an area of low-temperature hydrothermal diffuse vent flow at the Mid-Cayman Rise (MCR) in the ... -
Optimization of terrestrial ecosystem model parameters using atmospheric CO2 concentration data with the Global Carbon Assimilation System (GCAS)
(John Wiley & Sons, 2017-12-23)The Global Carbon Assimilation System that assimilates ground-based atmospheric CO2 data is used to estimate several key parameters in a terrestrial ecosystem model for the purpose of improving carbon cycle simulation. ...
