ProtiGeno: a prokaryotic short gene finder using protein language models

• URL: http://arxiv.org/abs/2307.10343v1
• Date: Wed, 19 Jul 2023 16:46:42 GMT
• Title: ProtiGeno: a prokaryotic short gene finder using protein language models
• Authors: Tony Tu, Gautham Krishna, Amirali Aghazadeh
• Abstract summary: Current gene finders are highly sensitive in finding long genes, but their sensitivity decreases noticeably in finding shorter genes. We develop a deep learning-based method called ProtiGeno, specifically targeting short prokaryotic genes. In systematic large-scale experiments on 4,288 prokaryotic genomes, we demonstrate that ProtiGeno predicts short coding and noncoding genes with higher accuracy and recall than the current state-of-the-art gene finders.
• Score: 1.2354076490479513
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Prokaryotic gene prediction plays an important role in understanding the biology of organisms and their function with applications in medicine and biotechnology. Although the current gene finders are highly sensitive in finding long genes, their sensitivity decreases noticeably in finding shorter genes (<180 nts). The culprit is insufficient annotated gene data to identify distinguishing features in short open reading frames (ORFs). We develop a deep learning-based method called ProtiGeno, specifically targeting short prokaryotic genes using a protein language model trained on millions of evolved proteins. In systematic large-scale experiments on 4,288 prokaryotic genomes, we demonstrate that ProtiGeno predicts short coding and noncoding genes with higher accuracy and recall than the current state-of-the-art gene finders. We discuss the predictive features of ProtiGeno and possible limitations by visualizing the three-dimensional structure of the predicted short genes. Data, codes, and models are available at https://github.com/tonytu16/protigeno.

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