Distribution of Calmodulin-Stimulated Ca2+ Transport into Membrane Vesicles from Green Spinach Leaves | Zendy

Vladimir Stosic | Zendy; Claude Penel | Zendy; Dieter Marmé | Zendy; Hubert Greppin | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Distribution of Calmodulin-Stimulated Ca²⁺ Transport into Membrane Vesicles from Green Spinach Leaves

Author(s) -

Vladimir Stosic,

Claude Penel,

Dieter Marmé,

Hubert Greppin

Publication year - 1983

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.72.4.1136

Subject(s) - spinach , vesicle , calmodulin , distribution (mathematics) , chemistry , biophysics , botany , membrane , biochemistry , biology , enzyme , mathematical analysis , mathematics

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.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research