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A rapid method for chloroplast isolation from the green alga Chlamydomonas reinhardtii

Abstract

This method has been developed to yield highly purified intact chloroplasts from Chlamydomonas reinhardtii. This procedure involves breaking cell-wall-deficient cells by passage through a narrow-bore syringe needle and purifying the intact chloroplasts by differential centrifugation and Percoll gradient centrifugation. This procedure can be completed in less than 3 h and is capable of generating relatively high yields of chloroplasts that should be useful for researchers studying the biochemistry and cell biology of C. reinhardtii chloroplasts.

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Figure 1: Pictures of an unbroken cell and a field of intact chloroplasts.
Figure 2: Transmission electron micrographs showing

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Acknowledgements

This work was supported by awards from the National Science Foundation to JVM and TMB and a grant from the Department of Energy to TMB.

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Correspondence to James V Moroney.

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The authors declare no competing financial interests.

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Mason, C., Bricker, T. & Moroney, J. A rapid method for chloroplast isolation from the green alga Chlamydomonas reinhardtii. Nat Protoc 1, 2227–2230 (2006). https://doi.org/10.1038/nprot.2006.348

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