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Here we provide an overview of procedures for long-term cultivation, phenotyping, genotyping, and genetic transformation of cell cultures of tobacco cell lines BY-2 and VBI-0, and of A. thaliana, ecotype Landsberg erecta (LE) cell line. Notably, we present an improved protocol for BY-2 transformation and cloning and extend the available plant cell lines methodology toward high-throughput technologies like fluorescent-based cell sorting and transcriptomics.

Plant organs and tissues consist of many various cell types, often in different phases of their development. Such complex structures do not allow direct studies on behavior of individual cells. In contrast, populations of in vitro-cultured plant cells represent valuable tool for studying processes on a single-cell level, including cell morphogenesis. Here we describe characteristics of well-established model tobacco and Arabidopsis cell lines and provide detailed protocol on their cultivation, characterization, and genetic transformation.