Secondary ion mass spectrometry (SIMS) has become an increasingly utilized tool in
biologically relevant studies. Of these, high lateral resolution methodologies using the …

Highlights•NanoSIMS-FISH correlates phylogeny and tracer assimilation by single
cells.•NanoSIP can map many elements in parallel, most often C, N, O, P and S.•NanoSIP …

Marine diazotrophs convert dinitrogen (N 2) gas into bioavailable nitrogen (N), supporting
life in the global ocean. In 2012, the first version of the global oceanic diazotroph database …

Biological dinitrogen (N 2) fixation is a key metabolic process exclusively performed by
prokaryotes, some of which are symbiotic with eukaryotes. Species of the marine haptophyte …

Abstract Microbial dinitrogen (N 2) fixation, the nitrogenase enzyme-catalysed reduction of N
2 gas into biologically available ammonia, is the main source of new nitrogen (N) in the …

Symbiotic interactions between nitrogen‐fixing prokaryotes and photosynthetic eukaryotes
are an integral part of biological nitrogen fixation at a global scale. One of these partnerships …

Traditionally, cyanobacterial activity in oceanic photic layers was considered responsible for
the marine pelagic dinitrogen (N2) fixation. Other potentially N2-fixing bacteria and archaea …

Braarudosphaera bigelowii (Prymnesiophyceae) is a coastal coccolithophore with a long
fossil record, extending back to the late Cretaceous (ca. 100 Ma). A recent study revealed …

The number of marine environments known to harbor dinitrogen (N2)‐fixing (diazotrophic)
microorganisms is increasing, prompting a reassessment of the biogeography of marine …

Diazotrophs play a critical role in the biogeochemical cycling of nitrogen, carbon, and other
elements in the global ocean. Despite their well‐recognized role, the diversity, abundance …