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Stosic V, Penel C, Marme D, et al. Distribution of calmodulin-stimulated ca transport into membrane vesicles from green spinach leaves. Plant Physiol. 1983;72(4):1136-8doi: 10.1104/pp.72.4.1136.
Stosic, V., Penel, C., Marme, D., & Greppin, H. (1983). Distribution of calmodulin-stimulated ca transport into membrane vesicles from green spinach leaves. Plant physiology, 72(4), 1136-8. https://doi.org/10.1104/pp.72.4.1136
Stosic, V, et al. "Distribution of calmodulin-stimulated ca transport into membrane vesicles from green spinach leaves." Plant physiology vol. 72,4 (1983): 1136-8. doi: https://doi.org/10.1104/pp.72.4.1136
Stosic V, Penel C, Marme D, Greppin H. Distribution of calmodulin-stimulated ca transport into membrane vesicles from green spinach leaves. Plant Physiol. 1983 Aug;72(4):1136-8. doi: 10.1104/pp.72.4.1136. PMID: 16663135; PMCID: PMC1066389.
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Plant Physiol. 1983 Aug;72(4):1136-8. doi: 10.1104/pp.72.4.1136.

Distribution of calmodulin-stimulated ca transport into membrane vesicles from green spinach leaves.

Plant physiology

V Stosic, C Penel, D Marme, H Greppin

Affiliations

  1. Laboratoire de Physiologie végétale, Université de Genève, 1211 Genève 4, Switzerland.

PMID: 16663135 PMCID: PMC1066389 DOI: 10.1104/pp.72.4.1136

Abstract

A microsomal fraction isolated from green spinach leaves exhibited a Mg(2+) and ATP-dependent (45)Ca(2+) uptake. Addition of 10 micromolar carbonyl cyanide m-chlorophenylhydrazine had no effect. The cationophore A23187 (10 micromolar) induced the release of (45)Ca(2+) accumulated by membrane vesicles. Membranes prepared from lower epidermis showed the highest Ca(2+) accumulation activity. Microsomal fractions from petiole, lamina, and midrib were less active. The stimulation by bovine brain calmodulin was about 30% for the lower epidermis, 23.5% for midrib, and below 20% for petiole and lamina.

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