DeepOM: single-molecule optical genome mapping via deep learning
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Published on: February 2, 2018
Yevgeni Nogin1, Tahir Detinis Zur2, Sapir Margalit2
1Russel Berrie Nanotechnology Institute, Technion, Haifa 320003, Israel.
Motivation:
Efficient tapping into genomic information from a single microscopic image of an intact DNA molecule is an outstanding challenge and its solution will open new frontiers in molecular diagnostics. Here, a new computational method for optical genome mapping utilizing deep learning is presented, termed DeepOM. Utilization of a convolutional neural network, trained on simulated images of labeled DNA molecules, improves the success rate in the alignment of DNA images to genomic references.
Results:
The method is evaluated on acquired images of human DNA molecules stretched in nano-channels. The accuracy of the method is benchmarked against state-of-the-art commercial software Bionano Solve. The results show a significant advantage in alignment success rate for molecules shorter than 50 kb. DeepOM improves the yield, sensitivity, and throughput of optical genome mapping experiments in applications of human genomics and microbiology.
Availability And Implementation:
The source code for the presented method is publicly available at https://github.com/yevgenin/DeepOM.
