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| Item Type: | Article |
|---|---|
| Title: | A catalog of small proteins from the global microbiome |
| Creators Name: | Duan, Y., Santos-Júnior, C.D., Schmidt, T.S., Fullam, A., de Almeida, B.L.S., Zhu, C., Kuhn, M., Zhao, X.M., Bork, P. and Coelho, L.P. |
| Abstract: | Small open reading frames (smORFs) shorter than 100 codons are widespread and perform essential roles in microorganisms, where they encode proteins active in several cell functions, including signal pathways, stress response, and antibacterial activities. However, the ecology, distribution and role of small proteins in the global microbiome remain unknown. Here, we construct a global microbial smORFs catalog (GMSC) derived from 63,410 publicly available metagenomes across 75 distinct habitats and 87,920 high-quality isolate genomes. GMSC contains 965 million non-redundant smORFs with comprehensive annotations. We find that archaea harbor more smORFs proportionally than bacteria. We moreover provide a tool called GMSC-mapper to identify and annotate small proteins from microbial (meta)genomes. Overall, this publicly-available resource demonstrates the immense and underexplored diversity of small proteins. |
| Keywords: | Archaea, Bacteria, Bacterial Proteins, Metagenome, Microbiota, Molecular Sequence Annotation, Open Reading Frames |
| Source: | Nature Communications |
| ISSN: | 2041-1723 |
| Publisher: | Nature Publishing Group |
| Volume: | 15 |
| Number: | 1 |
| Page Range: | 7563 |
| Date: | 31 August 2024 |
| Official Publication: | https://doi.org/10.1038/s41467-024-51894-6 |
| PubMed: | View item in PubMed |
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