DeepReg: a deep learning hybrid model for predicting transcription factors in eukaryotic and prokaryotic genomes

Author:

Ledesma-Dominguez Leonardo,Carbajal-Degante Erik,Moreno-Hagelsieb Gabriel,Perez-Rueda Ernesto

Abstract

AbstractDeep learning models (DLMs) have gained importance in predicting, detecting, translating, and classifying a diversity of inputs. In bioinformatics, DLMs have been used to predict protein structures, transcription factor-binding sites, and promoters. In this work, we propose a hybrid model to identify transcription factors (TFs) among prokaryotic and eukaryotic protein sequences, named Deep Regulation (DeepReg) model. Two architectures were used in the DL model: a convolutional neural network (CNN), and a bidirectional long-short-term memory (BiLSTM). DeepReg reached a precision of 0.99, a recall of 0.97, and an F1-score of 0.98. The quality of our predictions, the bias-variance trade-off approach, and the characterization of new TF predictions were evaluated and compared against those produced by DeepTFactor, as well as against experimental data from three model organisms. Predictions based on our DLM tended to exhibit less variance and bias than those from DeepTFactor, thus increasing reliability and decreasing overfitting.

Funder

Consejo Nacional de Humanidades, Ciencias y Tecnologías

DGAPA-UNAM

Publisher

Springer Science and Business Media LLC

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