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. 1974 Jun;53(6):870–874. doi: 10.1104/pp.53.6.870

Isolation of Intact Plastids from a Range of Plant Tissues 1

Benjamin J Miflin a,2, Harry Beevers a
PMCID: PMC541465  PMID: 16658807

Abstract

A technique for the isolation of intact plastids from spinach (Spinacia oleracea) and pea (Pisum sativum) leaves, pea roots and castor bean (Ricinus communis) endosperm is described. This technique involves brief centrifugation of whole homogenates on density gradients. Intact plastids were located in the gradient by assaying for triose phosphate isomerase activity. Contamination of the plastic peak with mitochondria and microbodies was estimated by measurement of cytochrome oxidase and catalase, respectively. For three of the four tissues the level of contamination of the plastids by these organelles was 2% or less. The sedimentation behavior of microbodies from different tissues is discussed.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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