cover of episode ABDS: tool suite for analyzing biologically diverse samples

ABDS: tool suite for analyzing biologically diverse samples

2023/7/5
logo of podcast PaperPlayer biorxiv bioinformatics

PaperPlayer biorxiv bioinformatics

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Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2023.07.05.547797v1?rss=1

Authors: Du, D., Bhardwaj, S., Parker, S. J., Cheng, Z., Zhang, Z., Lu, Y., Van Eyk, J. E., Yu, G., Clarke, R., Herrington, D. M., Wang, Y.

Abstract: Motivation: Analyticstools are essential to identify informative molecular features about different phenotypic groups. Among the most fundamental tasks are missing value imputation, signature gene detection, and expression pattern visualization. However, most commonly used analytics tools may be problematic for characterizing biologically diverse samples when either signature genes possess uneven missing rates across different groups yet involving complex missing mechanisms, or multiple biological groups are simultaneously compared and visualized. Results: We develop ABDS tool suite tailored specifically to analyzing biologically diverse samples. Mechanism-integrated group-wise imputation is developed to recruit signature genes involving informative missingness, cosine-based one-sample test is extended to detect enumerated signature genes, and unified heatmap is designed to comparably display complex expression patterns. We discuss the methodological principles and demonstrate the conceptual advantages of the three software tools. We also showcase the biomedical applications of these individual tools. Implemented in open-source R scripts, ABDS tool suite complements rather than replaces the existing tools and will allow biologists to more accurately detect interpretable molecular signals among diverse phenotypic samples.

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