Explanipedia

Latitudinal patterns in ocean C:N:P reflect phytoplankton acclimation and macromolecular composition Open

Justin D. Liefer, Angelicque White, Zoe V. Finkel, Andrew J. Irwin, Mathilde Dugenne , et al. · 2024

The proportions of carbon (C), nitrogen (N), and phosphorus (P) in surface ocean particulate matter deviate greatly from the canonical Redfield Ratio (C:N:P = 106:16:1) in space and time with significant implications for global carbon stor…

A model of time-dependent macromolecular and elemental composition of phytoplankton Open

Anne Willem Omta, Justin D. Liefer, Zoe V. Finkel, Andrew J. Irwin, Daniel Sher , et al. · 2024

Phytoplankton Chl:C:N:P ratios are important from both an ecological and a biogeochemical perspective. We show that these elemental ratios can be represented by a phytoplankton physiological model of low complexity that includes major cell…

Shorebird Abundance is Associated with Nutritional Quality of Intertidal Biofilm on the Fraser River Estuary Open

Mark C. Drever, Matthew J. Mogle, Tristan J. Douglas, Scott A. Flemming, Diana J. Hamilton , et al. · 2023

Dense congregations of shorebirds forage on tidal flats during long-distance migration, and their abundance is presumed to mirror the underlying ecological conditions. We quantified the nutritional content of intertidal biofilm (a thin lay…

Elemental stoichiometry of the key calcifying marine phytoplankton <i>Emiliania huxleyi</i> under ocean climate change: A meta‐analysis Open

Rosie M. Sheward, Justin D. Liefer, Andrew J. Irwin, Zoe V. Finkel · 2023

The elemental composition of marine microorganisms (their C:N:P ratio, or stoichiometry) is central to understanding the biotic and biogeochemical processes underlying key marine ecosystem functions. Phytoplankton C:N:P is species specific…

Shorebird Abundance is Associated With Nutritional Quality of Intertidal Biofilm on the Fraser River Estuary Open

Mark C. Drever, Matthew J. Mogle, Tristan J. Douglas, Scott A. Flemming, Diana J. Hamilton , et al. · 2023

Dense congregations of shorebirds forage on tidal flats during long-distance migration, and their abundance is presumed to mirror the underlying ecological conditions. We quantified the nutritional content of intertidal biofilm (a thin lay…

The Emiliania huxleyi stoichiometry database Open

Rosie M. Sheward, Justin D. Liefer, Andrew J. Irwin, Zoe V. Finkel · 2023

The Emiliania huxleyi stoichiometry database contains data for the growth rate, cellular elemental content (particulate inorganic carbon - PIC, organic carbon - C, nitrogen - N and phosphorous - P) and C:N:P stoichiometry (PIC:C, …

The Emiliania huxleyi stoichiometry database Open

Rosie M. Sheward, Justin D. Liefer, Andrew J. Irwin, Zoe V. Finkel · 2023

The Emiliania huxleyi stoichiometry database contains data for the growth rate, cellular elemental content (particulate inorganic carbon - PIC, organic carbon - C, nitrogen - N and phosphorous - P) and C:N:P stoichiometry (PIC:C, …

A Model of Time-Dependent Macromolecular and Elemental Composition of Phytoplankton Open

Anne Willem Omta, Justin D. Liefer, Zoe V. Finkel, Andrew J. Irwin, Daniel Sher , et al. · 2023

Basin-scale biogeography of marine phytoplankton reflects cellular-scale optimization of metabolism and physiology Open

John R. Casey, Rene Boiteau, Martin K. M. Engqvist, Zoe V. Finkel, Gang Li , et al. · 2022

Extensive microdiversity within Prochlorococcus , the most abundant marine cyanobacterium, occurs at scales from a single droplet of seawater to ocean basins. To interpret the structuring role of variations in genetic potential, as well as…

Asynchrony of Gambierdiscus spp. Abundance and Toxicity in the U.S. Virgin Islands: Implications for Monitoring and Management of Ciguatera Open

Justin D. Liefer, Mindy L. Richlen, Tyler B. Smith, Jennifer L. DeBose, Yixiao Xu , et al. · 2021

Ciguatera poisoning (CP) poses a significant threat to ecosystem services and fishery resources in coastal communities. The CP-causative ciguatoxins (CTXs) are produced by benthic dinoflagellates including Gambierdiscus and Fukuyoa spp., a…

The Emiliania huxleyi stoichiometry database Open

Rosie M. Sheward, Justin D. Liefer, Andrew J. Irwin, Zoe V. Finkel · 2021

The Emiliania huxleyi stoichiometry database contains data for the growth rate, cellular elemental content (particulate inorganic carbon - PIC, organic carbon - C, nitrogen - N and phosphorous - P) and C:N:P stoichiometry (PIC:C, …

Quantifying nutrient throughput and DOM production by algae in continuous culture Open

Anne Willem Omta, David Talmy, Keisuke Inomura, Andrew J. Irwin, Zoe V. Finkel , et al. · 2020

Freshwater and marine algae can balance nutrient demand and availability by regulating uptake, accumulation and exudation. To obtain insight into these processes under nitrogen (N) and phosphorus (P) limitation, we reanalyze published data…

Correction: Nitrogen starvation induces distinct photosynthetic responses and recovery dynamics in diatoms and prasinophytes Open

Justin D. Liefer, Aneri Garg, Douglas A. Campbell, Andrew J. Irwin, Zoe V. Finkel · 2019

[This corrects the article DOI: 10.1371/journal.pone.0195705.].

Molecular mechanisms of temperature acclimation and adaptation in marine diatoms Open

Yue Liang, Julie A. Koester, Justin D. Liefer, Andrew J. Irwin, Zoe V. Finkel · 2019

Diatoms are important contributors to marine primary production and the ocean carbon cycle, yet the molecular mechanisms that regulate their acclimation and adaptation to temperature are poorly understood. Here we use a transcriptomic appr…

The Macromolecular Basis of Phytoplankton C:N:P Under Nitrogen Starvation Open

Justin D. Liefer, Aneri Garg, Matthew H. Fyfe, Andrew J. Irwin, Ina Benner , et al. · 2019

Biogeochemical cycles in the ocean are strongly affected by the elemental stoichiometry (C:N:P) of phytoplankton, which largely reflects their macromolecular content. A greater understanding of how this macromolecular content varies among …

Nitrogen starvation induces distinct photosynthetic responses and recovery dynamics in diatoms and prasinophytes Open

Justin D. Liefer, Aneri Garg, Douglas A. Campbell, Andrew J. Irwin, Zoe V. Finkel · 2018

[This corrects the article DOI: 10.1371/journal.pone.0195705.].

Macroalgae macromolecular database Open

Andrew J. Irwin, Catherine Fiset, Justin D. Liefer, Zoe V. Finkel · 2016

A compilation of data from published literature of the macromolecular content (protein, lipid, carbohydrate) of macroalgae.Accompanies paper by Fiset et al (2017) in Limnology & Oceanography: Methods. doi: 10.1002/lom3.10186.

Quantitating active photosystem II reaction center content from fluorescence induction transients Open

Cole D. Murphy, Guangyan Ni, Gang Li, Audrey Barnett, Kui Xu , et al. · 2016

Photosystem II (PSII) is a pigment‐protein complex that photochemically extracts electrons from water, generating the reductant that supports biological productivity in all biomes. Estimating the content of active PSII reaction centers in …

Phylogenetic Diversity in the Macromolecular Composition of Microalgae Open

Zoe V. Finkel, Mick Follows, Justin D. Liefer, Chris M. Brown, Ina Benner , et al. · 2016

The elemental stoichiometry of microalgae reflects their underlying macromolecular composition and influences competitive interactions among species and their role in the food web and biogeochemistry. Here we provide a new estimate of the …

Influence of Environmental Variables on Gambierdiscus spp. (Dinophyceae) Growth and Distribution Open

Yixiao Xu, Mindy L. Richlen, Justin D. Liefer, Alison Robertson, David M. Kulis , et al. · 2016

Benthic dinoflagellates in the genus Gambierdiscus produce the ciguatoxin precursors responsible for the occurrence of ciguatera toxicity. The prevalence of ciguatera toxins in fish has been linked to the presence and distribution of toxin…

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