Studying stochastic systems biology of the cell with single-cell genomics data

G Gorin, JJ Vastola, L Pachter - Cell Systems, 2023 - cell.com
Recent experimental developments in genome-wide RNA quantification hold considerable
promise for systems biology. However, rigorously probing the biology of living cells requires …

RNA velocity unraveled

G Gorin, M Fang, T Chari, L Pachter - PLOS Computational …, 2022 - journals.plos.org
We perform a thorough analysis of RNA velocity methods, with a view towards
understanding the suitability of the various assumptions underlying popular …

The specious art of single-cell genomics

T Chari, L Pachter - PLOS Computational Biology, 2023 - journals.plos.org
Dimensionality reduction is standard practice for filtering noise and identifying relevant
features in large-scale data analyses. In biology, single-cell genomics studies typically begin …

Genome-wide inference reveals that feedback regulations constrain promoter-dependent transcriptional burst kinetics

S Luo, Z Wang, Z Zhang, T Zhou… - Nucleic Acids …, 2023 - academic.oup.com
Gene expression in mammalian cells is highly variable and episodic, resulting in a series of
discontinuous bursts of mRNAs. A challenge is to understand how static promoter …

Signal and noise in metabarcoding data

Z Gold, AO Shelton, HR Casendino, J Duprey… - Plos one, 2023 - journals.plos.org
Metabarcoding is a powerful molecular tool for simultaneously surveying hundreds to
thousands of species from a single sample, underpinning microbiome and environmental …

Quantifying and correcting bias in transcriptional parameter inference from single-cell data

R Grima, PM Esmenjaud - Biophysical Journal, 2024 - cell.com
The snapshot distribution of mRNA counts per cell can be measured using single-molecule
fluorescence in situ hybridization or single-cell RNA sequencing. These distributions are …

[HTML][HTML] kallisto, bustools, and kb-python for quantifying bulk, single-cell, and single-nucleus RNA-seq

DK Sullivan, KHJ Min, KE Hjörleifsson, L Luebbert… - BioRxiv, 2023 - ncbi.nlm.nih.gov
The term “RNA-seq” refers to a collection of assays based on sequencing experiments that
involve quantifying RNA species from bulk tissue, from single cells, or from single nuclei …

Assessing markovian and delay models for single-nucleus RNA sequencing

G Gorin, S Yoshida, L Pachter - Bulletin of Mathematical Biology, 2023 - Springer
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 …

[PDF][PDF] Monod: mechanistic analysis of single-cell RNA sequencing count data

G Gorin, L Pachter - bioRxiv, 2022 - authors.library.caltech.edu
We present the Python package Monod for the analysis of single-cell RNA sequencing count
data through chemical master equation models. Monod can effectively identify biological …

[HTML][HTML] Biophysical modeling with variational autoencoders for bimodal, single-cell RNA sequencing data

M Carilli, G Gorin, Y Choi, T Chari, L Pachter - bioRxiv, 2023 - ncbi.nlm.nih.gov
We motivate and present biVI, which combines the variational autoencoder framework of
scVI with biophysically motivated, bivariate models for nascent and mature RNA …