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A major area of research in the postgenomic era has been the proteomic analysis of various subcellular and suborganellar compartments. The success of these studies is to a large extent dependent upon efficient protocols for the preparation of highly pure organelles or suborganellar components. Here we describe a simple, rapid, and low-cost method for isolating a high yield of Arabidopsis chloroplasts. The method can readily be applied to wild-type plants and different mutants, and at different developmental stages ranging from 10-day-old seedlings to rosette leaves from older plants. The isolated chloroplast fraction is highly pure, with immunologically undetectable contamination from other cellular organelles. Chloroplasts isolated using the method described here have been successfully used for proteomic analysis, as well as in studies on chloroplast protein import and other aspects of chloroplast biology.

Original publication

DOI

10.1007/978-1-60327-210-0_16

Type

Journal article

Journal

Methods Mol Biol

Publication Date

2008

Volume

425

Pages

171 - 186

Keywords

Arabidopsis, Cell Fractionation, Chloroplasts, Plant Proteins, Proteomics