Light-dependent expression of two catalase subunits in leaves of barley seedlings

• Published in: Journal of experimental botany Vol. 49; no. 325; pp. 1303 - 1306
• Main Authors: Holtman, Wessel L., Graaff, Anko M. de, Lea, Peter J., Kijne, Jan W.
• Format: Journal Article
• Language: English
• Published: Oxford Oxford University Press 01.08.1998; OXFORD UNIVERSITY PRESS
• Subjects: Agronomy. Soil science and plant productions; Aleurone cells; Barley; Biological and medical sciences; catalase subunits; Cell and Molecular Biology, Biochemistry and Molecular Physiology; Classical and quantitative genetics. Population genetics. Molecular genetics; Enzymes; Fundamental and applied biological sciences. Psychology; Gene expression; Generalities. Genetics. Plant material; Genetics and breeding of economic plants; Hordeum vulgare; Leaves; light; Messenger RNA; Molecular and cellular biology; Molecular genetics; Photorespiration; Plant growth regulators; Plant physiology; regulation; Seedlings; Western blotting; Monocotyledones; Hordeum vulgare; Enzyme; Plant juvenile growth stage; Environmental factor; Plant leaf; Gene expression; Subunit; Cereal crop; Peroxidases; Catalase; Gramineae; Light; Angiospermae; Spermatophyta; Oxidoreductases; Photoregulation
• ISSN: 0022-0957; 1460-2431
• DOI: 10.1093/jxb/49.325.1303

In young barley seedlings high levels of a 57 kDa catalase subunit were found in the dark, while increased levels of a 53 kDa subunit were detected in the leaves after growth in the light. A catalase-deficient mutant fails to upregulate expression of the 53 kDa subunit after transfer to a high light intensity.