In this study, we used single-cell RNA sequencing (scRNA-seq) and spatial transcriptome sequencing (ST-seq) to get the transcription landscapes of the stem primary and secondary growth tissues in the Populus tree. 
scRNA-seq
In this study, we used single-cell RNA sequencing (scRNA-seq) and spatial transcriptome sequencing (ST-seq) to get the transcription landscapes of the stem primary and secondary growth tissues in the Populus tree. 
ST-seq