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 Previous Article

Journal of Bacteriology, January 1999, p. 353-356, Vol. 181, No. 1
0021-9193/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

A Novel Bacillus subtilis Gene, antE, Temporally Regulated and Convergent to and Overlapping dnaE

Lin-Fa Wang,dagger Sung-Soo Park,Dagger and Roy H. Doi*

Section of Molecular and Cellular Biology, University of California, Davis, California 95616

Received 8 September 1998/Accepted 21 October 1998

A Bacillus subtilis promoter, Px, that functions in a convergent manner with the sigA operon promoter P3 has been found in the sigA operon. Promoter Px is turned on at the same time as promoter P3 during early sporulation. The transcript from promoter Px codes for a small protein with partial homology to the OmpR protein from Escherichia coli and also carries an untranslated sequence at its 3' end that is complementary to the 5' end of the P3 transcript, which codes for the ribosome binding site of dnaE. The gene controlled by Px has been called antE. The expression of antE does not require sigma B, sigma E, or sigma H. Px was transcribed in vitro by the sigma A holoenzyme and is the seventh promoter to be recognized in the sigma A operon. A possible role for the antE gene during early sporulation is proposed.

* Corresponding author. Mailing address: Section of Molecular and Cellular Biology, University of California, Davis, CA 95616. Phone: (530) 752-3191. Fax: (530) 752-3085. E-mail: rhdoi{at}ucdavis.edu.

dagger Present address: CSIRO Animal Health, Australian Animal Health Laboratory, Geelong, Victoria 3220, Australia.

Dagger Present address: Graduate School of Biotechnology, Korea University, Anam-dong Sungbuk-ku, Seoul, Korea.

Journal of Bacteriology, January 1999, p. 353-356, Vol. 181, No. 1
0021-9193/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.




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