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Influence of pH on the /sup 14/C-labelling pattern after photosynthesis of suspended leaf slices and isolated mesophyll cells from chenopodium album in NaH/sup 14/CO/sub 3/

Conference:

Abstract

Photosynthetic fixation of /sup 14/C from solutions of NaH/sup 14/CO/sub 3/ (at constant concentrations of free CO/sub 2/) by suspended leaf slices or isolated mesophyll cells from Chenopodium album is increased with increasing pH. Above all, the incorporation of radioactivity into amino acids and malate is stimulated. A direct uptake of HCO/sub 3/ ions and its fixation by PEP carboxylase is suggested. Isolated mesophyll cells showed at pH 7.3 a higher rate of photosynthesis than at pH 5.0.
Authors:
Baumann, G; Guenther, G [1] 
  1. Paedagogische Hochschule Karl Liebknecht, Potsdam (German Democratic Republic). Sektion Chemie/Biologie
Publication Date:
Jan 01, 1983
Product Type:
Conference
Report Number:
CONF-8110337-
Reference Number:
AIX-15-049006; EDB-84-164906
Resource Relation:
Journal Name: Wiss. Z. Ernst-Moritz-Arndt-Univ. Greifswald, Math.-Naturwiss. Reihe; (German Democratic Republic); Journal Volume: 32:3-4; Conference: Co-ordinating COMECON conference on regulation of metabolism of primary and secondary photosynthesis products in plant organisms, Greifswald, German D.R., 10 Oct 1981
Subject:
14 SOLAR ENERGY; 59 BASIC BIOLOGICAL SCIENCES; CARBON 14 COMPOUNDS; PHOTOSYNTHESIS; UPTAKE; AMINO ACIDS; CARBON DIOXIDE; CARBON DIOXIDE FIXATION; LEAVES; PH VALUE; PLANTS; RADIONUCLIDE KINETICS; SODIUM CARBONATES; SODIUM HYDROXIDES; ALKALI METAL COMPOUNDS; CARBON COMPOUNDS; CARBON OXIDES; CARBONATES; CARBOXYLIC ACIDS; CHALCOGENIDES; CHEMICAL REACTIONS; HYDROGEN COMPOUNDS; HYDROXIDES; LABELLED COMPOUNDS; ORGANIC ACIDS; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHOTOCHEMICAL REACTIONS; SODIUM COMPOUNDS; SYNTHESIS; 140505* - Solar Energy Conversion- Photochemical, Photobiological, & Thermochemical Conversion- (1980-); 550501 - Metabolism- Tracer Techniques
OSTI ID:
6476770
Country of Origin:
Germany
Language:
German
Other Identifying Numbers:
Journal ID: CODEN: WZEMA
Submitting Site:
HEDB
Size:
Pages: 45-47
Announcement Date:
Aug 01, 1984

Conference:

Citation Formats

Baumann, G, and Guenther, G. Influence of pH on the /sup 14/C-labelling pattern after photosynthesis of suspended leaf slices and isolated mesophyll cells from chenopodium album in NaH/sup 14/CO/sub 3/. Germany: N. p., 1983. Web.
Baumann, G, & Guenther, G. Influence of pH on the /sup 14/C-labelling pattern after photosynthesis of suspended leaf slices and isolated mesophyll cells from chenopodium album in NaH/sup 14/CO/sub 3/. Germany.
Baumann, G, and Guenther, G. 1983. "Influence of pH on the /sup 14/C-labelling pattern after photosynthesis of suspended leaf slices and isolated mesophyll cells from chenopodium album in NaH/sup 14/CO/sub 3/." Germany.
@misc{etde_6476770,
title = {Influence of pH on the /sup 14/C-labelling pattern after photosynthesis of suspended leaf slices and isolated mesophyll cells from chenopodium album in NaH/sup 14/CO/sub 3/}
author = {Baumann, G, and Guenther, G}
abstractNote = {Photosynthetic fixation of /sup 14/C from solutions of NaH/sup 14/CO/sub 3/ (at constant concentrations of free CO/sub 2/) by suspended leaf slices or isolated mesophyll cells from Chenopodium album is increased with increasing pH. Above all, the incorporation of radioactivity into amino acids and malate is stimulated. A direct uptake of HCO/sub 3/ ions and its fixation by PEP carboxylase is suggested. Isolated mesophyll cells showed at pH 7.3 a higher rate of photosynthesis than at pH 5.0.}
journal = {Wiss. Z. Ernst-Moritz-Arndt-Univ. Greifswald, Math.-Naturwiss. Reihe; (German Democratic Republic)}
volume = {32:3-4}
place = {Germany}
year = {1983}
month = {Jan}
}