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Journal of Bacteriology, December 2001, p. 6951-6956, Vol. 183, No. 23
0021-9193/01/$04.00+0   DOI: 10.1128/JB.183.23.6951-6956.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

The LexA Protein from Deinococcus radiodurans Is Not Involved in RecA Induction following gamma  Irradiation

Issay Narumi,1,* Katsuya Satoh,1,2 Masahiro Kikuchi,1 Tomoo Funayama,1 Tadashi Yanagisawa,3 Yasuhiko Kobayashi,1 Hiroshi Watanabe,1 and Kazuo Yamamoto1,4

Biotechnology Laboratory, Takasaki Radiation Chemistry Research Establishment, Japan Atomic Energy Research Institute, Takasaki 370-1292,1 United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchuu 183-8509,2 Faculty of Agriculture, Utsunomiya University, Utsunomiya 321-8505,3 and Department of Biomolecular Sciences, Graduate School of Life Sciences, Tohoku University, Sendai 980-8578,4 Japan

Received 1 June 2001/Accepted 14 September 2001

The involvement of LexA in induction of RecA was investigated in Deinococcus radiodurans. As in the wild-type strain, an increase in RecA protein synthesis following gamma  irradiation was detected in a lexA disruptant, indicating that LexA is not involved in the induction of RecA in D. radiodurans.

* Corresponding author. Mailing address: Biotechnology Laboratory, TRCRE, JAERI Takasaki, 1233 Watanuki, Takasaki 370-1292, Japan. Phone: 81 (27) 346-9542. Fax: 81 (27) 346-9688. E-mail: narumi{at}taka.jaeri.go.jp.

Journal of Bacteriology, December 2001, p. 6951-6956, Vol. 183, No. 23
0021-9193/01/$04.00+0   DOI: 10.1128/JB.183.23.6951-6956.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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