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Type: Journal article
Title: Plant thioredoxins: the multiplicity conundrum
Author: Baumann, U.
Juttner, J.
Citation: Cellular and Molecular Life Sciences, 2002; 59(6):1042-1057
Publisher: Birkhauser Verlag Ag
Issue Date: 2002
ISSN: 1420-682X
Organisation: Australian Centre for Plant Functional Genomics (ACPFG)
Abstract: Thioredoxins are small proteins distinguished by the presence of a conserved dicysteine active site. In oxidized thioredoxin, the two cysteines form a disulfide bond that is targeted by the enzyme thioredoxin reductase. Together with an electron donor, thioredoxin and thioredoxin reductase form the 'thioredoxin system' that is present in all organisms. Thioredoxins participate in dithiol/disulfide exchange reactions with a large range of cellular substrates. Higher plants possess a very complex thioredoxin profile consisting of at least two different thioredoxin systems that contain distinct, multigenic thioredoxin classes which have different intracellular localizations. In this review we summarise the current state of knowledge regarding the function of plant thioredoxins representing all systems and classes.
Keywords: Thioredoxin; chloroplast enzyme; redox regulation; NADPH thioredoxin reductase; ferredoxin thioredoxin reductase; multigene family; disulfide; seed germination
Description: The original publication can be found at
RMID: 0020077395
DOI: 10.1007/s00018-002-8485-8
Appears in Collections:Australian Centre for Plant Functional Genomics publications

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