ArticleInternational journal of molecular sciences2019
Phylogenomics Provides New Insights into Gains and Losses of Selenoproteins among Archaeplastida.
Article in International journal of molecular sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 18 citations in OpenAlex.
- From water to land: evolution of tRNA gene repertoires in photosynthetic organisms.The EMBO journal · 2026Review
- Chromosome-scale assembly of the streamlined picoeukaryoteMicrobial genomics · 2024Article
- Asgard archaeal selenoproteome reveals a roadmap for the archaea-to-eukaryote transition of selenocysteine incorporation machinery.The ISME journal · 2024Article
- The geneFrontiers in microbiology · 2024Article
- SEPHS1: Its evolution, function and roles in development and diseases.Archives of biochemistry and biophysics · 2022Article
- Historical Roles of Selenium and Selenoproteins in Health and Development: The Good, the Bad and the Ugly.International journal of molecular sciences · 2021Review
- The algal selenoproteomes.BMC genomics · 2020Article
- The genome of Prasinoderma coloniale unveils the existence of a third phylum within green plants.Nature ecology & evolution · 2020Article
- Bioinformatics of Selenoproteins.Antioxidants & redox signaling · 2020Review
- Bioinformatics of Metalloproteins and Metalloproteomes.Molecules (Basel, Switzerland) · 2020Review
- Selenocysteine β-Lyase: Biochemistry, Regulation and Physiological Role of the Selenocysteine Decomposition Enzyme.Antioxidants (Basel, Switzerland) · 2019Review
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Authors and funding
13 authors at 2 institutions in 3 countries.
Funding
Abstract
Selenoproteins that contain selenocysteine (Sec) are found in all kingdoms of life. Although they constitute a small proportion of the proteome, selenoproteins play essential roles in many organisms. In photosynthetic eukaryotes, selenoproteins have been found in algae but are missing in land plants (embryophytes). In this study, we explored the evolutionary dynamics of Sec incorporation by conveying a genomic search for the Sec machinery and selenoproteins across Archaeplastida. We identified a complete Sec machinery and variable sizes of selenoproteomes in the main algal lineages. However, the entire Sec machinery was missing in the Bangiophyceae-Florideophyceae clade (BV) of Rhodoplantae (red algae) and only partial machinery was found in three species of Archaeplastida, indicating parallel loss of Sec incorporation in different groups of algae. Further analysis of genome and transcriptome data suggests that all major lineages of streptophyte algae display a complete Sec machinery, although the number of selenoproteins is low in this group, especially in subaerial taxa. We conclude that selenoproteins tend to be lost in Archaeplastida upon adaptation to a subaerial or acidic environment. The high number of redox-active selenoproteins found in some bloom-forming marine microalgae may be related to defense against viral infections. Some of the selenoproteins in these organisms may have been gained by horizontal gene transfer from bacteria.
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