Update README.md

README.md

@@ -69,4 +69,4 @@ https://zenodo.org/records/12964684
 For a detailed overview of leveraging large language models for metagenomic analysis, refer to our paper:
 > Refahi, M.S., Sokhansanj, B.A., & Rosen, G.L. (2023). Leveraging Large Language Models for Metagenomic Analysis. *IEEE SPMB*.
 > 
-> Refahi, M., Sokhansanj, B.A., Mell, J.C., Brown, J., Yoo, H., Hearne, G. and Rosen, G., 2024. Scorpio: Enhancing Embeddings to Improve Downstream Analysis of DNA sequences. bioRxiv, pp.2024-07.
+> Refahi, M., Sokhansanj, B.A., Mell, J.C., Brown, J., Yoo, H., Hearne, G. and Rosen, G., 2025. Enhancing nucleotide sequence representations in genomic analysis with contrastive optimization Communications Biology, Nature.