Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis

Baier M, Dietz K-J (1999)
PLANT PHYSIOLOGY 119(4): 1407-1414.

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Abstract
2-Cysteine peroxiredoxins (2-CPs) constitute a ubiquitous group of peroxidases that reduce cell-toxic alkyl hydroperoxides to their corresponding alcohols. Recently, we cloned 2-CP cDNAs from plants and characterized them as chloroplast proteins. To elucidate the physiological function of the 2-CP in plant metabolism, we generated antisense mutants in Arabidopsis. In the mutant lines a 2-CP deficiency developed during early leaf and plant development and eventually the protein accumulated to wild-type levels. In young mutants with reduced amounts of 2-CP, photosynthesis was impaired and the levels of D1 protein, the light-harvesting protein complex associated with photosystem II, chloroplast ATP synthase, and ribulose-1,5-bisphosphate carboxylase/oxygenase were decreased. Photoinhibition was particularly pronounced after the application of the protein synthesis inhibitor, lincomycin. We concluded that the photosynthetic machinery needs high levels of 2-CP during leaf development to protect it from oxidative damage and that the damage is reduced by the accumulation of 2-CP protein, by the de novo synthesis and replacement of damaged proteins, and by the induction of other antioxidant defenses in 2-CP mutants.
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Baier M, Dietz K-J. Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis. PLANT PHYSIOLOGY. 1999;119(4):1407-1414.
Baier, M., & Dietz, K. - J. (1999). Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis. PLANT PHYSIOLOGY, 119(4), 1407-1414.
Baier, M., and Dietz, K. - J. (1999). Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis. PLANT PHYSIOLOGY 119, 1407-1414.
Baier, M., & Dietz, K.-J., 1999. Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis. PLANT PHYSIOLOGY, 119(4), p 1407-1414.
M. Baier and K.-J. Dietz, “Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis”, PLANT PHYSIOLOGY, vol. 119, 1999, pp. 1407-1414.
Baier, M., Dietz, K.-J.: Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis. PLANT PHYSIOLOGY. 119, 1407-1414 (1999).
Baier, Margarete, and Dietz, Karl-Josef. “Protective function of chloroplast 2-cysteine peroxiredoxin in photosynthesis. Evidence from transgenic Arabidopsis”. PLANT PHYSIOLOGY 119.4 (1999): 1407-1414.
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