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Nat Protoc. 2007;2(7):1565-72.

Arabidopsis mesophyll protoplasts: a versatile cell system for transient gene expression analysis.

Author information

1
Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts, USA. yoo@molbio.mgh.harvard.edu

Abstract

The transient gene expression system using Arabidopsis mesophyll protoplasts has proven an important and versatile tool for conducting cell-based experiments using molecular, cellular, biochemical, genetic, genomic and proteomic approaches to analyze the functions of diverse signaling pathways and cellular machineries. A well-established protocol that has been extensively tested and applied in numerous experiments is presented here. The method includes protoplast isolation, PEG-calcium transfection of plasmid DNA and protoplast culture. Physiological responses and high-throughput capability enable facile and cost-effective explorations as well as hypothesis-driven tests. The protoplast isolation and DNA transfection procedures take 6-8 h, and the results can be obtained in 2-24 h. The cell system offers reliable guidelines for further comprehensive analysis of complex regulatory mechanisms in whole-plant physiology, immunity, growth and development.

PMID:
17585298
DOI:
10.1038/nprot.2007.199
[Indexed for MEDLINE]

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