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Sallie W Chisholm

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Articles 104
Citations 8350
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Recent Articles
1.
Braakman R, Satinsky B, OKeefe T, Longnecker K, Hogle S, Becker J, et al.
Sci Adv . 2025 Jan; 11(1):eadp1949. PMID: 39752493
Cross-feeding involves microbes consuming exudates of other surrounding microbes, mediating elemental cycling. Characterizing the diversity of cross-feeding pathways in ocean microbes illuminates evolutionary forces driving self-organization of ocean ecosystems. Here,...
2.
Coe A, Braakman R, Biller S, Arellano A, Bliem C, Vo N, et al.
ISME Commun . 2024 Dec; 4(1):ycae131. PMID: 39660012
is found throughout the euphotic zone in the oligotrophic open ocean. Deep mixing and sinking while attached to particles can, however, transport cells below this sunlit zone, depriving them of...
3.
Becker J, Pollak S, Berta-Thompson J, Becker K, Braakman R, Dooley K, et al.
mBio . 2024 Oct; 15(11):e0349723. PMID: 39422514
is a diverse picocyanobacterial genus and the most abundant phototroph on Earth. Its photosynthetic diversity divides it into high-light (HL)- or low-light (LL)-adapted groups representing broad phylogenetic grades-each composed of...
4.
Angulo-Canovas E, Bartual A, Lopez-Igual R, Luque I, Radzinski N, Shilova I, et al.
Sci Adv . 2024 May; 10(21):eadj1539. PMID: 38781331
Microbial associations and interactions drive and regulate nutrient fluxes in the ocean. However, physical contact between cells of marine cyanobacteria has not been studied thus far. Here, we show a...
5.
Kujawinski E, Braakman R, Longnecker K, Becker J, Chisholm S, Dooley K, et al.
mSystems . 2024 Feb; 9(3):e0012024. PMID: 38411064
No abstract available.
6.
Capovilla G, Castro K, Collani S, Kearney S, Kehoe D, Chisholm S
Sci Rep . 2023 Nov; 13(1):19944. PMID: 37968300
Chitin is an abundant, carbon-rich polymer in the marine environment. Chitinase activity has been detected in spent media of Synechococcus WH7803 cultures-yet it was unclear which specific enzymes were involved....
7.
Kujawinski E, Braakman R, Longnecker K, Becker J, Chisholm S, Dooley K, et al.
mSystems . 2023 Oct; 8(5):e0126122. PMID: 37815355
Approximately half of the annual carbon fixation on Earth occurs in the surface ocean through the photosynthetic activities of phytoplankton such as the ubiquitous picocyanobacterium . Ecologically distinct subpopulations (or...
8.
Berube P, OKeefe T, Rasmussen A, LeMaster T, Chisholm S
mBio . 2023 Jul; 14(4):e0123623. PMID: 37404012
is an abundant photosynthetic bacterium in the open ocean, where nitrogen (N) often limits phytoplankton growth. In the low-light-adapted LLI clade of , nearly all cells can assimilate nitrite (NO),...
9.
Biller S, Coe A, Arellano A, Dooley K, Silvestri S, Gong J, et al.
Appl Environ Microbiol . 2023 May; 89(6):e0059423. PMID: 37199672
Extracellular vesicles are small (approximately 50 to 250 nm in diameter), membrane-bound structures that are released by cells into their surrounding environment. Heterogeneous populations of vesicles are abundant in the...
10.
Capovilla G, Braakman R, Fournier G, Hackl T, Schwartzman J, Lu X, et al.
Proc Natl Acad Sci U S A . 2023 May; 120(20):e2213271120. PMID: 37159478
Marine picocyanobacteria and , the most abundant photosynthetic cells in the oceans, are generally thought to have a primarily single-celled and free-living lifestyle. However, while studying the ability of picocyanobacteria...