Search Results - "Webb, Eric"

Nucleophilic (Radio)Fluorination of Redox-Active Esters via Radical-Polar Crossover Enabled by Photoredox Catalysis by Webb, Eric W, Park, John B, Cole, Erin L, Donnelly, David J, Bonacorsi, Samuel J, Ewing, William R, Doyle, Abigail G

“…We report a redox-neutral method for nucleophilic fluorination of N-hydroxyphthalimide esters using an Ir photocatalyst under visible light irradiation. The…”
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The Ensemble Oceanic Niño Index by Webb, Eric J., Magi, Brian I.

“…We describe a new El Niño–Southern Oscillation (ENSO) index that we call the Ensemble Oceanic Niño Index (Ensemble ONI). Ensemble ONI uses monthly sea surface…”
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Phytoplankton in the ocean use non-phosphorus lipids in response to phosphorus scarcity by Mincer, Tracy J, Lomas, Michael W, Moutin, Thierry, Karl, David M, Van Mooy, Benjamin A. S, Dyhrman, Sonya T, Rappé, Michael S, Fredricks, Helen F, Koblí ek, Michal, Moore, Lisa R, Pedler, Byron E, Webb, Eric A

“…Phosphorus is an obligate requirement for the growth of all organisms; major biochemical reservoirs of phosphorus in marine plankton include nucleic acids and…”
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High Pressure Rheology of Hydrate Slurries Formed from Water-in-Mineral Oil Emulsions by Webb, Eric B, Koh, Carolyn A, Liberatore, Matthew W

“…Structure I methane hydrates are formed in situ from water-in-mineral oil emulsions in a high pressure rheometer cell. Viscosity is measured as hydrates form,…”
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Irreversibly increased nitrogen fixation in Trichodesmium experimentally adapted to elevated carbon dioxide by Hutchins, David A., Walworth, Nathan G., Webb, Eric A., Saito, Mak A., Moran, Dawn, McIlvin, Matthew R., Gale, Jasmine, Fu, Fei-Xue

“…Nitrogen fixation rates of the globally distributed, biogeochemically important marine cyanobacterium Trichodesmium increase under high carbon dioxide (CO 2 )…”
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Co-occurring Synechococcus ecotypes occupy four major oceanic regimes defined by temperature, macronutrients and iron by Sohm, Jill A, Ahlgren, Nathan A, Thomson, Zachary J, Williams, Cheryl, Moffett, James W, Saito, Mak A, Webb, Eric A, Rocap, Gabrielle

“…Marine picocyanobacteria, comprised of the genera Synechococcus and Prochlorococcus , are the most abundant and widespread primary producers in the ocean. More…”
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The Role of B Vitamins in Marine Biogeochemistry by Sañudo-Wilhelmy, Sergio A, Gómez-Consarnau, Laura, Suffridge, Christopher, Webb, Eric A

“…The soluble B vitamins (B 1 , B 7 , and B 12 ) have long been recognized as playing a central metabolic role in marine phytoplankton and bacteria; however, the…”
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Mariprofundus ferrooxydans PV-1 the first genome of a marine Fe(II) oxidizing Zetaproteobacterium by Singer, Esther, Emerson, David, Webb, Eric A, Barco, Roman A, Kuenen, J Gijs, Nelson, William C, Chan, Clara S, Comolli, Luis R, Ferriera, Steve, Johnson, Justin, Heidelberg, John F, Edwards, Katrina J

“…Mariprofundus ferrooxydans PV-1 has provided the first genome of the recently discovered Zetaproteobacteria subdivision. Genome analysis reveals a complete TCA…”
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Taxon-specific response of marine nitrogen fixers to elevated carbon dioxide concentrations by Hutchins, David A., Fu, Fei-Xue, Webb, Eric A., Walworth, Nathan, Tagliabue, Alessandro

“…Much of the bioavailable nitrogen that supports open ocean food webs and biogeochemical cycles is fixed from the atmosphere by marine cyanobacteria of the…”
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Mechanisms of increased Trichodesmium fitness under iron and phosphorus co-limitation in the present and future ocean by Walworth, Nathan G., Fu, Fei-Xue, Webb, Eric A., Saito, Mak A., Moran, Dawn, Mcllvin, Matthew R., Lee, Michael D., Hutchins, David A.

“…Nitrogen fixation by cyanobacteria supplies critical bioavailable nitrogen to marine ecosystems worldwide; however, field and lab data have demonstrated it to…”
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Multiple B-vitamin depletion in large areas of the coastal ocean by Sañudo-Wilhelmy, Sergio A, Cutter, Lynda S, Durazo, Reginaldo, Smail, Emily A, Gómez-Consarnau, Laura, Webb, Eric A, Prokopenko, Maria G, Berelson, William M, Karl, David M

“…B vitamins are some of the most commonly required biochemical cofactors in living systems. Therefore, cellular metabolism of marine vitamin-requiring…”
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DMSP synthesis genes distinguish two types of DMSP producer phenotypes by McParland, Erin L., Lee, Michael D., Webb, Eric A., Alexander, Harriet, Levine, Naomi M.

“…Summary Dimethylsulfoniopropionate (DMSP) is an important organic carbon and sulfur source in the surface ocean that fuels microbial activity and significantly…”
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Long-Term m5C Methylome Dynamics Parallel Phenotypic Adaptation in the Cyanobacterium Trichodesmium by Walworth, Nathan G, Lee, Michael D, Dolzhenko, Egor, Fu, Fei-Xue, Smith, Andrew D, Webb, Eric A, Hutchins, David A

“…Abstract A major challenge in modern biology is understanding how the effects of short-term biological responses influence long-term evolutionary adaptation,…”
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Molecular analysis of the phosphorus starvation response in Trichodesmium spp by Orchard, Elizabeth D, Webb, Eric A, Dyhrman, Sonya T

“…The marine diazotroph Trichodesmium is a major contributor to primary production and nitrogen fixation in the tropical and subtropical oceans. These regions…”
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Alphaproteobacteria facilitate Trichodesmium community trimethylamine utilization by Conover, Asa E., Morando, Michael, Zhao, Yiming, Semones, Jacob, Hutchins, David A., Webb, Eric A.

“…Summary In the surface waters of the warm oligotrophic ocean, filaments and aggregated colonies of the nitrogen (N)‐fixing cyanobacterium Trichodesmium create…”
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Microbial functional diversity across biogeochemical provinces in the central Pacific Ocean by Saunders, Jaclyn K, McIlvin, Matthew R, Dupont, Chris L, Kaul, Drishti, Moran, Dawn M, Horner, Tristan, Laperriere, Sarah M, Webb, Eric A, Bosak, Tanja, Santoro, Alyson E, Saito, Mak A

“…Enzymes catalyze key reactions within Earth's life-sustaining biogeochemical cycles. Here, we use metaproteomics to examine the enzymatic capabilities of the…”
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Incentive–Compatible Prehospital Triage in Emergency Medical Services by Webb, Eric M., Mills, Alex F.

“…The emergency medical services (EMS) system is designed to handle life‐threatening emergencies, but a large and growing number of non‐emergency patients are…”
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Molecular mechanisms underlying iron and phosphorus co-limitation responses in the nitrogen-fixing cyanobacterium Crocosphaera by Yang, Nina, Lin, Yu-An, Merkel, Carlin A., DeMers, Michelle A., Qu, Ping-Ping, Webb, Eric A., Fu, Fei-Xue, Hutchins, David A.

“…In the nitrogen-limited subtropical gyres, diazotrophic cyanobacteria, including Crocosphaera , provide an essential ecosystem service by converting dinitrogen…”
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High-Pressure Rheology of Hydrate Slurries Formed from Water-in-Oil Emulsions by Webb, Eric B, Rensing, Patrick J, Koh, Carolyn A, Sloan, E. Dendy, Sum, Amadeu K, Liberatore, Matthew W

“…A unique high-pressure rheology apparatus is used to study the in situ formation and flow properties of gas hydrates from a water-in-crude oil emulsion…”
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Molecular evidence of iron limitation and availability in the global diazotroph Trichodesmium by Chappell, Phoebe Dreux, Moffett, James W, Hynes, Annette M, Webb, Eric A

“…The activity of the N 2 -fixing cyanobacterial genus Trichodesmium is critical to the global nitrogen (N) and carbon (C) cycles. Although iron (Fe) has been…”
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