Highly efficient isolation of Populus mesophyll protoplasts and its application in transient expression assays.
basic_science · Level V
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- Record sourced from PubMed, PMID 23028673.
- Also identified by DOI 10.1371/journal.pone.0044908 and PMC identifier PMC3245001.
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Abstract
BACKGROUND: Populus is a model woody plant and a promising feedstock for lignocellulosic biofuel production. However, its lengthy life cycle impedes rapid characterization of gene function. METHODOLOGY/PRINCIPAL FINDINGS: We optimized a Populus leaf mesophyll protoplast isolation protocol and established a Populus protoplast transient expression system. We demonstrated that Populus protoplasts are able to respond to hormonal stimuli and that a series of organelle markers are correctly localized in the Populus protoplasts. Furthermore, we showed that the Populus protoplast transient expression system is suitable for studying protein-protein interaction, gene activation, and cellular signaling events. CONCLUSIONS/SIGNIFICANCE: This study established a method for efficient isolation of protoplasts from Populus leaf and demonstrated the efficacy of using Populus protoplast transient expression assays as an in vivo system to characterize genes and pathways.