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gingerarmbrust authored Nov 8, 2024
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Expand Up @@ -2720,3 +2720,21 @@ @article{groussman_north_2024
pages = {1161},
file = {Full Text PDF:files/772/Groussman et al. - 2024 - The North Pacific Eukaryotic Gene Catalog of metat.pdf:application/pdf},
}

@article{liefer_latitudinal_2024,
title = {Latitudinal patterns in ocean {C}:{N}:{P} reflect phytoplankton acclimation and macromolecular composition},
volume = {121},
shorttitle = {Latitudinal patterns in ocean {C}},
url = {https://www.pnas.org/doi/10.1073/pnas.2404460121},
doi = {10.1073/pnas.2404460121},
abstract = {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 storage as this matter reaches the deep ocean. Recent work has revealed clear latitudinal patterns in C:N:P, yet the relative importance of ecological, physiological, or biochemical processes in creating these patterns is unclear. We present high-resolution, concurrent measurements of particulate C:N:P, macromolecular composition, environmental conditions, and plankton community composition from a transect spanning a subtropical-subpolar boundary, the North Pacific Transition Zone. We find that the summed contribution of macromolecules to particulate C, N, and P is consistent with, and provides interpretation for, particulate C:N:P patterns. A decline in particulate C:N from the subtropical to subpolar North Pacific largely reflects an increase in the relative contribution of protein compared to carbohydrate and lipid, whereas variation in C:P and N:P correspond to shifts in protein relative to polyphosphate, DNA, and RNA. Possible causes for the corresponding trends in C:N and macromolecular composition include physiological responses and changes in community structure of phytoplankton, which represented approximately 1/3rd of particulate C across the transect. Comparison with culture experiments and an allocation-based model of phytoplankton macromolecular composition suggest that physiological acclimation to changing nutrient supply is the most likely explanation for the latitudinal trend in C:N, offering both a mechanistic interpretation and biochemical basis for large-scale patterns in C:N:P.},
number = {46},
urldate = {2024-11-05},
journal = {Proceedings of the National Academy of Sciences},
author = {Liefer, Justin D. and White, Angelicque E. and Finkel, Zoe V. and Irwin, Andrew J. and Dugenne, Mathilde and Inomura, Keisuke and Ribalet, François and Armbrust, E. Virginia and Karl, David M. and Fyfe, Matthew H. and Brown, Christopher M. and Follows, Michael J.},
month = nov,
year = {2024},
note = {Publisher: Proceedings of the National Academy of Sciences},
pages = {e2404460121},
file = {Full Text PDF:files/774/Liefer et al. - 2024 - Latitudinal patterns in ocean CNP reflect phytop.pdf:application/pdf},
}

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