nf-core/marsseq: systematic pre-processing pipeline for MARS-seq experiments
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Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2023.06.28.546862v1?rss=1

Authors: Proks, M., Herrera, J. A. R., Sedzinski, J., Brickman, J. M.

Abstract: As a result of advancing single sequencing technology (scRNA-seq), it has become possible to study gene regulatory mechanism(s) and their influence on evolving cell states in time at the level of individual cells. Since 2009, numerous scRNA-seq protocols have been developed, each with its own advantages, disadvantages and library preparation complexities (Ziegenhain et al. 2017). However, the interpretation of data arising from these techniques often shares similar limitations, such as the lack of a standardized pre-processing workflow and consistent data reproducibility. Here we focus on the standardization of the plate based Massively Parallel RNA Single cell Sequencing (MARS-seq, Jaitin et al. 2014) pre-processing pipeline as described in MARS-seq2.0 (Keren-Shaul et al. 2019), which was developed at the Weizmann Institute of Science. Results To overcome the limitations mentioned above, we have taken the original MARS-seq2.0 pipeline and revised it to enable implementation using the nf-core framework (Ewels et al. 2020). By doing so, we have simplified pipeline execution enabling streamlined application, with increased transparency and scalability. Additionally, we have further improved the pipeline by implementing a custom workflow for RNA velocity estimation. Availability and implementation The pipeline is part of the nf-core bioinformatics community and is freely available at https://github.com/nf-core/marsseq with data analysis at https://github.com/brickmanlab/proks-et-al-2023.

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