Seth G John
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Explore the profile of Seth G John including associated specialties, affiliations and a list of published articles.
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22
Citations
503
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Recent Articles
1.
Li J, Babcock-Adams L, Boiteau R, McIlvin M, Manck L, Sieber M, et al.
Nature
. 2024 Sep;
633(8031):823-827.
PMID: 39322731
Primary production in the sunlit surface ocean is regulated by the supply of key nutrients, primarily nitrate, phosphate and iron (Fe), required by phytoplankton to fix carbon dioxide into biomass....
2.
Bian X, Yang S, Raad R, Hawco N, Sakowski J, Huang K, et al.
Anal Chim Acta
. 2024 Jun;
1312:342753.
PMID: 38834266
Background: Trace metals such as iron, nickel, copper, zinc, and cadmium (Fe, Ni, Cu, Zn, and Cd) are essential micronutrients (and sometimes toxins) for phytoplankton, and the analysis of trace-metal...
3.
Schiksnis C, Xu M, Saito M, McIlvin M, Moran D, Bian X, et al.
Front Microbiol
. 2024 Mar;
15:1323499.
PMID: 38444803
In many oceanic regions, anthropogenic warming will coincide with iron (Fe) limitation. Interactive effects between warming and Fe limitation on phytoplankton physiology and biochemical function are likely, as temperature and...
4.
Lombard F, Bourdin G, Pesant S, Agostini S, Baudena A, Boissin E, et al.
Sci Data
. 2023 Jun;
10(1):324.
PMID: 37264023
The Tara Pacific expedition (2016-2018) sampled coral ecosystems around 32 islands in the Pacific Ocean and the ocean surface waters at 249 locations, resulting in the collection of nearly 58...
5.
De Vera J, Chandan P, Pinedo-Gonzalez P, John S, Jackson S, Cullen J, et al.
Proc Natl Acad Sci U S A
. 2021 Jun;
118(24).
PMID: 34129516
Anthropogenic Pb is widespread in the environment including remote places. However, its presence in Canadian Arctic seawater is thought to be negligible based on low dissolved Pb (dPb) concentrations and...
6.
Homoky W, Conway T, John S, Konig D, Deng F, Tagliabue A, et al.
Proc Natl Acad Sci U S A
. 2021 Mar;
118(13).
PMID: 33771922
Dissolution of marine sediment is a key source of dissolved iron (Fe) that regulates the ocean carbon cycle. Currently, our prevailing understanding, encapsulated in ocean models, focuses on low-oxygen reductive...
7.
Pinedo-Gonzalez P, Hawco N, Bundy R, Armbrust E, Follows M, Cael B, et al.
Proc Natl Acad Sci U S A
. 2020 Oct;
117(45):27862-27868.
PMID: 33093199
Fossil-fuel emissions may impact phytoplankton primary productivity and carbon cycling by supplying bioavailable Fe to remote areas of the ocean via atmospheric aerosols. However, this pathway has not been confirmed...
8.
Hawco N, Fu F, Yang N, Hutchins D, John S
ISME J
. 2020 Sep;
15(1):359-362.
PMID: 32968212
Throughout the open ocean, a minimum in dissolved iron concentration (dFe) overlaps with the deep chlorophyll maximum (DCM), which marks the lower limit of the euphotic zone. Maximizing light capture...
9.
Zimmerman A, Howard-Varona C, Needham D, John S, Worden A, Sullivan M, et al.
Nat Rev Microbiol
. 2019 Nov;
18(1):21-34.
PMID: 31690825
Ecosystems are controlled by 'bottom-up' (resources) and 'top-down' (predation) forces. Viral infection is now recognized as a ubiquitous top-down control of microbial growth across ecosystems but, at the same time,...
10.
Conway T, Hamilton D, Shelley R, Aguilar-Islas A, Landing W, Mahowald N, et al.
Nat Commun
. 2019 Jun;
10(1):2628.
PMID: 31201307
Atmospheric dust is an important source of the micronutrient Fe to the oceans. Although relatively insoluble mineral Fe is assumed to be the most important component of dust, a relatively ...