Organic ligands in whale excrement support iron availability and reduce copper toxicity to the surface ocean

PJ Monreal, MS Savoca, L Babcock-Adams… - … Earth & Environment, 2025 - nature.com
Nutrient recycling by marine megafauna is a key ecosystem service that has been disturbed
by anthropogenic activity. While some hypotheses attribute Southern Ocean ecosystem …

The 'photosynthetic C1 pathway' links carbon assimilation and growth in California poplar

KJ Jardine, L Gallo, M Roth, S Upadhyaya… - Communications …, 2024 - nature.com
Although primarily studied in relation to photorespiration, serine metabolism in chloroplasts
may play a key role in plant CO2 fertilization responses by linking CO2 assimilation with …

Microbial strong organic ligand production is tightly coupled to iron in hydrothermal plumes

CL Hoffman, PJ Monreal, JB Albers, AJM Lough… - bioRxiv, 2023 - biorxiv.org
The oceanic iron inventory exerts a key control on upper ocean primary productivity and thus
is intricately linked to the carbon cycle. Hydrothermal vents have emerged as an important …

Microbial strong organic-ligand production is tightly coupled to iron in hydrothermal plumes

CL Hoffman, PJ Monreal, JB Albers, AJM Lough… - …, 2024 - bg.copernicus.org
Hydrothermal vents have emerged as important sources of iron to seawater, yet only a
subset of this iron is soluble and persists long enough to impact the deep-ocean iron …

A tale of two nutrients: how nitrogen and phosphorus differentially control marine biomass production and stoichiometry

E Seelen, S Gleich, W Kumler, H Anderson, X Bian… - 2024 - researchsquare.com
The efficacy of the marine biological carbon pump is tied to new production of phytoplankton
which require nitrogen and phosphorus to grow. Globally, nitrate and phosphate are …