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. 1981 Oct;68(4):845–850. doi: 10.1104/pp.68.4.845

Organelle-Specific Isozymes of Citrate Synthase in the Endosperm of Developing Ricinus Seedlings 1

Takeshi Kagawa 1,2, Elma González 1,2
PMCID: PMC425997  PMID: 16662010

Abstract

Chromatographic analysis of organelle-associated citrate synthase activity revealed distinct mitochondrial and glyoxysomal forms of the enzyme. The chromatographic elution patterns on hydroxylapatite, carboxymethylcellulose and DEAE-cellulose of citrate synthase from the endosperm of 4.5-day-old castor bean seedlings revealed significant differences for mitochondrial and glyoxysomal activities of the enzyme. The endoplasmic reticulum-associated citrate synthase activity eluted from DEAE-cellulose in a pattern that was identical to that of the glyoxysomal activity. The same kinds of organelle specific isozyme elution patterns were observed with young, developing seedlings. Gibberellic acid-treatment of young seedlings increased total recoverable citrate synthase activity from endosperm tissue but did not modify the organelle specific isozyme relationships.

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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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