Macroalgae, the dominant primary producers of Earth’s most productive coastal vegetated ecosystems and a vital component driving ocean carbon sequestration, produce ∼5 to 80% of their net primary productivity as dissolved organic carbon (DOC). However, the global extent, fate, and contribution of this macroalgae-derive...
Xiu-Ting Feng, Shailesh Nair, K. Hancke et al.· Science Advances· 0 citations
Phytoplankton are primarily confined to the sunlit epipelagic zone, yet intact algal cells persist in the ocean’s mesopelagic twilight zone where light is minimal. However, their survival strategies in the deeper ocean remain unknown. Here, we isolate Chaetoceros sp. DS1 from 1000 m depth and reveal its survival mechan...
The findings substantiate the direct microbial contribution to the long-lived oceanic carbon reservoir through the rapid diversification of RDOM isomers, a mechanism that contributes to sustaining the complexity and long-term persistence of the planetary-scale carbon reservoir.
Ruan-Hong Cai, O. Lechtenfeld, A. J. Tanentzap et al.· Proceedings of the National...· 2 citations
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