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Literature DB >> 7592572

Patch-clamp study of vascular plant chloroplasts: ion channels and photocurrents.

Abstract

This article presents direct measurements of large-conductance cation channel (G = 730 pS in 100/50 mM KCl; PK+/PCl- = 2.8) and light-induced current (photocurrent) in chloroplasts from C4 plants, Amaranthus hybridus and Zea mays, using the conventional patch-clamp technique. It was shown that preillumination of chloroplast gave rise to a fast decaying transient (tau approximately equal to 6 ms) in the light-induced current for the second and following light pulses. This transient increase of photocurrent was interpreted as a consequence of photoreducing of the redox pool between photosystems.

Entities: Chemical Species

Mesh：

Substances：
Ion Channels

Year: 1995 PMID： 7592572 DOI： 10.1007/BF02110040

Source DB: PubMed Journal: J Bioenerg Biomembr ISSN： 0145-479X Impact factor: 2.945

11 in total

1. Single channel recording in the chloroplast envelope.

Authors: I I Pottosin
Journal: FEBS Lett Date: 1992-08-10 Impact factor: 4.124

2. Properties and regulation of C-1-fructose-1,6-diphosphatase from spinach chloroplasts.

Authors: D Baier; E Latzko
Journal: Biochim Biophys Acta Date: 1975-07-08

3. One of the chloroplast envelope ion channels is probably related to the mitochondrial VDAC.

Authors: I I Pottosin
Journal: FEBS Lett Date: 1993-09-13 Impact factor: 4.124

4. Energy conversion in the functional membrane of photosynthesis. Analysis by light pulse and electric pulse methods. The central role of the electric field.

Authors: H T Witt
Journal: Biochim Biophys Acta Date: 1979-03-14

5. Photosynthetic free energy transduction related to the electric potential changes across the thylakoid membrane.

Authors: O Van Kooten; J F Snel; W J Vredenberg
Journal: Photosynth Res Date: 1986-01 Impact factor: 3.573

6. Single channel recordings of reconstituted ion channel proteins: an improved technique.

Authors: B U Keller; R Hedrich; W L Vaz; M Criado
Journal: Pflugers Arch Date: 1988-01 Impact factor: 3.657

7. The electric generator in the photosynthesis of green plants. II. Kinetic correlation between protolytic reactions and redox reactions.

Authors: W Ausländer; W Junge
Journal: Biochim Biophys Acta Date: 1974-08-23

Patch-clamp study of vascular plant chloroplasts: ion channels and photocurrents.

1. Single channel recording in the chloroplast envelope.

2. Properties and regulation of C-1-fructose-1,6-diphosphatase from spinach chloroplasts.

3. One of the chloroplast envelope ion channels is probably related to the mitochondrial VDAC.

4. Energy conversion in the functional membrane of photosynthesis. Analysis by light pulse and electric pulse methods. The central role of the electric field.

5. Photosynthetic free energy transduction related to the electric potential changes across the thylakoid membrane.

6. Single channel recordings of reconstituted ion channel proteins: an improved technique.

7. The electric generator in the photosynthesis of green plants. II. Kinetic correlation between protolytic reactions and redox reactions.

8. Characterization of a chloroplast inner envelope K+ channel.

Review 9. Modulation of inner mitochondrial membrane channel activity.

10. Photoinduction kinetics of electrical potential in a single chloroplast as studied with micro-electrode technique.

1. Patch clamp study of the voltage-dependent anion channel in the thylakoid membrane.

Review 2. Ion Channels in Native Chloroplast Membranes: Challenges and Potential for Direct Patch-Clamp Studies.

Review 3. Molecular Evolution and Interaction of Membrane Transport and Photoreception in Plants.