Experiment	GSM4626001	Study	GSE152766 
Organism	Arabidopsis thaliana (TAIR10)	Tissue	Whole root
Protocol	10X	Sample#	8
Sample Run	SRR12046067 SRR12046068 SRR12046069 SRR12046070 SRR12046071 SRR12046072 SRR12046073 SRR12046074
Reference	Denyer, T., et al. (2019). Spatiotemporal Developmental Trajectories in the Arabidopsis Root Revealed Using High-Throughput Single-Cell RNA Sequencing. Developmental Cell 48(6): 840-852.e845.

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Gene#	22966	Cell#	11118
PolyA site#	scAPAtrap 9397Sierra 3717	Gene with polyA site#	scAPAtrap 9177Sierra 3647
APA event#	scAPAtrap 429Sierra 139	Gene with APA event#	scAPAtrap 209Sierra 69
Cell types 8	Phloem: 2278Trichoblast: 3154Cortex: 1707Quiescent Center: 1066Atrichoblast: 1341Xylem: 409Columella: 516Endodermis: 647

APA index

PolyA Site Expression APA Usage Weighted 3' UTR Length

PolyA Site Expression

APA Usage

Weighted 3' UTR Length

Tools

scAPAtrap Sierra

scAPAtrap

Sierra

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Box plot showing poly(A) site expression in different cell types

UMAP showing 2D embeddings of cell types based on the gene expression profile

UMAP showing distribution poly(A) site expression in single cells

Scatter plot showing correlation between gene expression and poly(A) site expression