Cited by 4Bacterial Genetics and BiotechnologyCRISPR and Genetic EngineeringMicrobial Metabolic Engineering and Bioproduction

Generating functional plasmid origins with OriGen

Open access
Irvine, Jamie, Martinson, Jonathan N V, Arora, Jigyasa, Hasham, Sarah I, Patel, Jaymin R, Qi, Emily T, Cress, Brady F, Rubin, Benjamin E·2025·Nucleic Acids Research

Published version of a preprint

Abstract

While generative artificial intelligence has shown promise for biological design, no computational system has yet created sequences proven capable of replication. Focusing on plasmids as minimal replicating systems, we develop OriGen, a language model that generates novel plasmid origins of replication while maintaining essential functional elements. We experimentally validate OriGen’s ability to create active origins in Escherichia coli that diverge from existing wild types, demonstrating the model’s capacity to capture the complex and often enigmatic mechanisms of biological replication. Further, we directed OriGen to produce functional origins that avoid common restriction sites, demonstrating the model’s potential for automated controllable design of vectors with desirable properties.

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Authors
Irvine, J., Martinson, J. N. V., Arora, J., Hasham, S. I., Patel, J. R., Qi, E. T., Cress, B. F., & Rubin, B. E.
Affiliations
Innovative Genomics Institute (US)
Corresponding author
Rubin, Benjamin E
Venue
Nucleic Acids Research
Published
2025-11-26
Volume
53
Issue
22
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W4416838960
Cited by
4
References
7
Citations by year
2026: 2 · 2025: 2
FWCI
2.35
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
  • Lyda Hill Philanthropies
  • Valhalla Foundation
  • Hastings/Quillin Fund
  • Silicon Valley Community Foundation
  • CH Foundation
  • Laura and Gary Lauder and Family
  • Sea Grape Foundation
  • Emerson Collective, Mike Schroepfer and Erin Hoffman Family Fund
  • Anne Wojcicki Foundation
  • Innovative Genomics Institute; Leona M. and Harry B. Helmsley Charitable Trust (G-2302-06692)
  • U.S. Department of Energy (DE-AC02-05CH11231)
  • Shurl and Kay Curci Foundation
  • Innovative Genomics Institute Genomic Tool Discovery Program at UC Berkeley
  • m-CAFEs Microbial Community Analysis & Functional Evaluation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
Origen, generative AI, language models, Escherichia coli, DNA replication, restriction sites
MeSH terms
DNA Replication, Escherichia coli, Plasmids, Programming Languages, Replication Origin

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