BatchSVG: identifying batch-biased genes in the application of spatially variable gene detection

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ID: 321317
2026
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Abstract
Abstract Summary A standard task in the analysis of spatially resolved transcriptomics data is to identify spatially variable genes (SVGs). This is most commonly done within one tissue section at a time because the spatial relationships between the tissue sections are typically unknown. However, large-scale spatial atlases are being generated, for example across hundreds of donors, where the goal is to identify a common set of SVGs to use for downstream analyses. One challenge is how to identify and remove SVGs that are associated with a known bias or technical artifact, such as the slide, which can lead to poor performance in downstream analyses, such as spatial domain detection. Here, we introduce BatchSVG, a tool to identify batch-biased genes SVGs. Our approach compares the rank of per-gene deviance under a binomial model (i) with and (ii) without including a covariate in the model that is associated with the known bias or technical artifact. If the rank of a gene changes significantly between these, then we infer that this gene is likely associated with the bias or technical artifact and should be removed from the downstream analyses. We consider two SRT datasets and show how our model can improve the results of downstream analysis. Availability and Implementation The BatchSVG package is freely available at https://bioconductor.org/packages/BatchSVG, and the code to reproduce the figures is publicly available at https://github.com/kinnaryshah/BatchSVG-analyses. Supplementary information Supplementary data are available at Bioinformatics online.
Reference Key
openalex_W7169224552 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kinnary Shah, Christine Hou, Jacqueline R. Thompson, Stephanie C. Hicks
Journal BMC Bioinformatics
Year 2026
DOI
10.1093/bioinformatics/btag522
URL
https://doi.org/10.1093/bioinformatics/btag522
Keywords Keywords not found

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