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Published November 2023 | Published
Journal Article Open

Assessing Markovian and Delay Models for Single-Nucleus RNA Sequencing

  • 1. ROR icon California Institute of Technology

Abstract

The serial nature of reactions involved in the RNA life-cycle motivates the incorporation of delays in models of transcriptional dynamics. The models couple a transcriptional process to a fairly general set of delayed monomolecular reactions with no feedback. We provide numerical strategies for calculating the RNA copy number distributions induced by these models, and solve several systems with splicing, degradation, and catalysis. An analysis of single-cell and single-nucleus RNA sequencing data using these models reveals that the kinetics of nuclear export do not appear to require invocation of a non-Markovian waiting time.

Copyright and License

Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Acknowledgement

G.G. thanks Dr. John J. Vastola and Catherine Felce for valuable discussions. The MCMC inference procedure was based on the algorithm developed by Dr. John J. Vastola and Meichen Fang (Gorin et al. 2022). G.G. and L.P. were partially funded by the National Institutes of Health Grants U19MH114830 and 5UM1HG012077-02. S.Y. was supported by the National Science Foundation Graduate Research Fellowship under Grant No. DGE-1745301. A part of the reported results were obtained during a Data Sciences Co-op with Celsius Therapeutics, Inc. The DNA and RNA illustrations are derived from the DNA Twemoji by Twitter, Inc., used under CC-BY 4.0.

Conflict of Interest

The authors declare no conflict of interests.

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Additional details

Created:
October 30, 2023
Modified:
June 17, 2024