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Following nitrogen into proteins reveals microbial community nutrient allocations

A combined quantitative and isotope-tracking proteomics approach illuminates how scarce nitrogen is allocated to protein biosynthesis by members of an ocean-surface microbial community. We identify taxon-specific substrate preferences and a distinct subset of functions — particularly infrastructure for protein production, folding and turnover — that constitute the bulk of community nitrogen demand.

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Fig. 1: Experimental design and Prochlorococcus proteomic N allocation.


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This is a summary of: Zimmerman, A. E. et al. Tracking nitrogen allocation to proteome biosynthesis in a marine microbial community. Nat. Microbiol. (2023).

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Following nitrogen into proteins reveals microbial community nutrient allocations. Nat Microbiol 8, 371–372 (2023).

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