Author

Anton S. Petrov

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#machine learning Preprint Sep 2026

LEMON-ZEST: Evolution-Informed Tokenization for Efficient Protein Language Modeling

Protein Language Models (PLMs) have made remarkable progress following scaling laws established in natural language processing across sequence- and structure-based tasks, yet the potential of tokenization remains underexploited. Unlike human language, proteins preserve structure despite extensive sequence variation a p...

Biswajit Banerjee, Claudia A. Carreno, Anton S. Petrov · 0 citations

Open access Sep 2026

Deep shifts in Evolutionary Rate Trajectories of Ancient Bacterial Genes

Reconstruction of ancestral gene repertoires from extant genomes captures only the genes that survived; those lost from the record are invisible. Among the genes that did persist, selective pressures change not only across lineages but across time. Here, we resolve evolutionary rate trajectories across 528 genes in the...

H. Hassler, Tanisha Gupta, Anton S. Petrov et al. · bioRxiv · 0 citations