Language Models for Controllable DNA Sequence Design

• URL: http://arxiv.org/abs/2507.19523v1
• Date: Sat, 19 Jul 2025 06:23:17 GMT
• Title: Language Models for Controllable DNA Sequence Design
• Authors: Xingyu Su, Xiner Li, Yuchao Lin, Ziqian Xie, Degui Zhi, Shuiwang Ji,
• Abstract summary: We introduce ATGC-Gen, an Automated Transformer Generator for Controllable Generation.<n>ATGC-Gen is instantiated with both decoder-only and encoder-only transformer architectures.<n>Our experiments demonstrate that ATGC-Gen can generate fluent, diverse, and biologically relevant sequences.
• Score: 41.74647005781059
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We consider controllable DNA sequence design, where sequences are generated by conditioning on specific biological properties. While language models (LMs) such as GPT and BERT have achieved remarkable success in natural language generation, their application to DNA sequence generation remains largely underexplored. In this work, we introduce ATGC-Gen, an Automated Transformer Generator for Controllable Generation, which leverages cross-modal encoding to integrate diverse biological signals. ATGC-Gen is instantiated with both decoder-only and encoder-only transformer architectures, allowing flexible training and generation under either autoregressive or masked recovery objectives. We evaluate ATGC-Gen on representative tasks including promoter and enhancer sequence design, and further introduce a new dataset based on ChIP-Seq experiments for modeling protein binding specificity. Our experiments demonstrate that ATGC-Gen can generate fluent, diverse, and biologically relevant sequences aligned with the desired properties. Compared to prior methods, our model achieves notable improvements in controllability and functional relevance, highlighting the potential of language models in advancing programmable genomic design. The source code is released at (https://github.com/divelab/AIRS/blob/main/OpenBio/ATGC_Gen).

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