ArticleNature ecology & evolution2022
The role of zinc in the adaptive evolution of polar phytoplankton.
Article in Nature ecology & evolution, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 36 citations in OpenAlex.
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- Ice gliding diatoms establish record-low temperature limits for motility in a eukaryotic cell.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- What Does It Mean to Be(Come) Arctic? Functional and Genetic Traits of Arctic- and Temperate-Adapted Diatoms.Global change biology · 2025Article
- CRISPR/Cas9 targeted genetic screening in Physcomitrella identifies novel cell division genes.Frontiers in plant science · 2025Article
- Pan-evolutionary and regulatory genome architecture delineated by an integrated macro- and microsynteny approach.Nature protocols · 2024Review
- Hidden genomic diversity drives niche partitioning in a cosmopolitan eukaryotic picophytoplankton.The ISME journal · 2024Article
- Multi-omics for studying and understanding polar life.Nature communications · 2023Review
- Gene duplication and functional divergence of new genes contributed to the polar acclimation of Antarctic green algae.Marine life science & technology · 2023Article
- Plastid-localized xanthorhodopsin increases diatom biomass and ecosystem productivity in iron-limited surface oceans.Nature microbiology · 2023Article
- Process controlling iron-manganese regulation of the Southern Ocean biological carbon pump.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2023Article
- Manganese Limitation of Phytoplankton Physiology and Productivity in the Southern Ocean.Global biogeochemical cycles · 2022Article
- Multiomics in the central Arctic Ocean for benchmarking biodiversity change.PLoS biology · 2022Article
- Polar algae flaunt their zinc assets.Nature ecology & evolution · 2022Article
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Authors and funding
17 authors at 15 institutions in 6 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Zinc is an essential trace metal for oceanic primary producers with the highest concentrations in polar oceans. However, its role in the biological functioning and adaptive evolution of polar phytoplankton remains enigmatic. Here, we have applied a combination of evolutionary genomics, quantitative proteomics, co-expression analyses and cellular physiology to suggest that model polar phytoplankton species have a higher demand for zinc because of elevated cellular levels of zinc-binding proteins. We propose that adaptive expansion of regulatory zinc-finger protein families, co-expanded and co-expressed zinc-binding proteins families involved in photosynthesis and growth in these microalgal species and their natural communities were identified to be responsible for the higher zinc demand. The expression of their encoding genes in eukaryotic phytoplankton metatranscriptomes from pole-to-pole was identified to correlate not only with dissolved zinc concentrations in the upper ocean but also with temperature, suggesting that environmental conditions of polar oceans are responsible for an increased demand of zinc. These results suggest that zinc plays an important role in supporting photosynthetic growth in eukaryotic polar phytoplankton and that this has been critical for algal colonization of low-temperature polar oceans.
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