Cited by 92Bacteriophages and microbial interactionsGenomics and Phylogenetic StudiesMachine Learning in Bioinformatics

Large language models improve annotation of prokaryotic viral proteins

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Flamholz, Zachary N., Biller, Steven J., Kelly, Libusha·2024·Nature Microbiology

Published version of a preprint

Abstract

Viral genomes are poorly annotated in metagenomic samples, representing an obstacle to understanding viral diversity and function. Current annotation approaches rely on alignment-based sequence homology methods, which are limited by the paucity of characterized viral proteins and divergence among viral sequences. Here we show that protein language models can capture prokaryotic viral protein function, enabling new portions of viral sequence space to be assigned biologically meaningful labels. When applied to global ocean virome data, our classifier expanded the annotated fraction of viral protein families by 29%. Among previously unannotated sequences, we highlight the identification of an integrase defining a mobile element in marine picocyanobacteria and a capsid protein that anchors globally widespread viral elements. Furthermore, improved high-level functional annotation provides a means to characterize similarities in genomic organization among diverse viral sequences. Protein language models thus enhance remote homology detection of viral proteins, serving as a useful complement to existing approaches.

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Authors
Flamholz, Z. N., Biller, S. J., & Kelly, L.
Affiliations
  • Albert Einstein College of Medicine (US)
  • Wellesley College (US)
Corresponding author
Kelly, Libusha
Venue
Nature Microbiology
Published
2024-01-29
Volume
9
Issue
2
Pages
537-549
ISSN
2058-5276 (ISSN-L)
OpenAlex
W4391316987
Cited by
92
References
14
Citations by year
2026: 30 · 2025: 36 · 2024: 22 · 2023: 4
FWCI
24.14
Type
journal article
Language
en
Open access
Locations
  • Nature Microbiology (publishedVersion)
  • Research Square (acceptedVersion, cc-by)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • PubMed Central (submittedVersion, cc-by)
Funders
  • U.S. Department of Health & Human Services | NIH | National Heart, Lung, and Blood Institute (R01HL069438)
  • U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (1T32GM149364)
  • National Science Foundation (OCE-2049004, OCE-2304066)
  • Simons Foundation (917971)
Topics
  • Physical Sciences › Environmental Science › Ecology › Bacteriophages and microbial interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Machine Learning in Bioinformatics
Keywords
prokaryotic viruses, protein language models, metagenomics, remote homology detection, transposable elements, picocyanobacteria, capsid protein, viral diversity

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