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Involvement of β-Carotene in the Antioxidant Defense of the Bacterial Cell

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Abstract

Effects of recombinant β-carotene on the resistance of E. coli culture to menadione and paraquat were studied. The presence of β-carotene in E. coli cells prevented, to a considerable extent, an increase in superoxide dismutase activity (induced by redox mediators) without affecting the culture growth. These findings suggest that β-carotene is involved in the defense of cells against oxidative stress.

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Authors and Affiliations

  1. Russian Academy of Sciences, Bach Institute of Biochemistry, Leninskii pr. 33, Moscow, 119071, Russia

    N. N. Gessler, A. V. Sokolov & T. A. Belozerskaya

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  1. N. N. Gessler
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  2. A. V. Sokolov
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  3. T. A. Belozerskaya
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Gessler, N.N., Sokolov, A.V. & Belozerskaya, T.A. Involvement of β-Carotene in the Antioxidant Defense of the Bacterial Cell. Applied Biochemistry and Microbiology 39, 382–384 (2003). https://doi.org/10.1023/A:1024516417479

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