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EssTFNet: integration of adaptive time–frequency and DNA language models for interpretable human essential gene prediction
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DOI：10.1093/bib/bbag349.png)
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Abstract
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Essential genes are defined as indispensable for an organism’s survival. The loss of function of these genes results in cell death or an inability to complete the normal life cycle. Research on essential genes is pivotal in elucidating the origin and evolution of life, as well as in identifying potential therapeutic targets. Therefore, predicting essential genes is of great scientific importance and has many applications in basic research and the biomedical field. In this study, we propose EssTFNet, a novel, interpretable deep learning framework that combines adaptive time–frequency analysis with a DNA language model to achieve accurate prediction of human essential genes while enabling mechanistic biological interpretation. EssTFNet leverages the architecture of ATFNet, which maps DNA and protein sequences into equivalent time-series signals to extract periodic and nonstationary features, enhancing the model’s capacity to capture complex sequence patterns. Through feature selection and architectural optimization, EssTFNet achieves a favorable balance among prediction accuracy, model interpretability, and cross-tissue generalization. On the S1 benchmark task, EssTFNet outperformed mainstream sequence-based deep learning methods, achieving an area under the curve of 0.9679 and an area under the precision–recall curve of 0.8491. Additionally, the DeepLIFT attribution method was employed to identify functional motifs associated with gene essentiality, offering valuable insights for experimental validation. For the convenience of researchers, we have developed an easy-to-use web server and made it along with the source code in a GitHub repository: https://github.com/QIANJINYDX/EssTFNet. Overall, this study presents a potentially useful methodological framework for human essential genes prediction, which could provide valuable insights for future research and applications in this field.
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