E-spatial

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E-spatial

Single-cell spatial explorer

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SPARK-X: non-parametric modeling enables scalable and robust detection of spatial expression patterns for large spatial transcriptomic studies
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BioTuring

Spatial transcriptomic studies are becoming increasingly common and large, posing important statistical and computational challenges for many analytic tasks. Here, we present SPARK-X, a non-parametric method for rapid and effective detection of spatially expressed genes in large spatial transcriptomic studies. SPARK-X not only produces effective type I error control and high power but also brings orders of magnitude computational savings. We apply SPARK-X to analyze three large datasets, one of which is only analyzable by SPARK-X. In these data, SPARK-X identifies many spatially expressed genes including those that are spatially expressed within the same cell type, revealing new biological insights.
Only CPU
SPARK-X
PopV: the variety of cell-type transfer tools for classify cell-types
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BioTuring

PopV uses popular vote of a variety of cell-type transfer tools to classify cell-types in a query dataset based on a test dataset. Using this variety of algorithms, they compute the agreement between those algorithms and use this agreement to predict which cell-types have a high likelihood of the same cell-types observed in the reference.
Required GPU
expiMap: Biologically informed deep learning to query gene programs in single-cell atlases
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BioTuring

The development of large-scale single-cell atlases has allowed describing cell states in a more detailed manner. Meanwhile, current deep leanring methods enable rapid analysis of newly generated query datasets by mapping them into reference atlases. expiMap (‘explainable programmable mapper’) Lotfollahi, Mohammad, et al. is one of the methods proposed for single-cell reference mapping. Furthermore, it incorporates prior knowledge from gene sets databases or users to analyze query data in the context of known gene programs (GPs).
Required GPU
expiMap
Harmony: fast, sensitive, and accurate integration of single cell data
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BioTuring

Single-cell RNA-seq datasets in diverse biological and clinical conditions provide great opportunities for the full transcriptional characterization of cell types. However, the integration of these datasets is challeging as they remain biological and techinical differences. **Harmony** is an algorithm allowing fast, sensitive and accurate single-cell data integration.
Only CPU
harmonpy

Trends

Baysor: Bayesian Segmentation of Spatial Transcriptomics Data

BioTuring

Single-molecule spatial transcriptomics protocols based on in situ sequencing or multiplexed RNA fluorescent hybridization can reveal detailed tissue organization. However, distinguishing the boundaries of individual cells in such data is challenging and can hamper downstream analysis. Baysor is a tool for performing cell segmentation on imaging-based spatial transcriptomics data. It optimizes two-dimensional (2D) or three-dimensional (3D) cell boundaries segmentation considering the likelihood of transcriptional composition, size and shape of the cell (cell morphology). The approach can take into account nuclear or cytoplasm staining, however, can also perform segmentation based on the detected molecules alone.
Only CPU
Baysor