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Journal of Bacteriology, December 2005, p. 8537-8541, Vol. 187, No. 24
0021-9193/05/$08.00+0     doi:10.1128/JB.187.24.8537-8541.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

SigF, a New Sigma Factor Required for a Motility System of Myxococcus xanthus

Toshiyuki Ueki, Chun-Ying Xu, and Sumiko Inouye*

Department of Biochemistry, Robert Wood Johnson Medical School, 675 Hoes Lane, Piscataway, New Jersey 08854

Received 24 July 2005/ Accepted 12 September 2005

A new sigma factor, SigF, was identified from the social and developmental bacterium Myxococcus xanthus. SigF is required for fruiting body formation during development as well as social motility during vegetative growth. Analysis of gene expression indicates that it is possible that the sigF gene is involved in regulation of an unidentified gene for social motility.


* Corresponding author. Mailing address: Department of Biochemistry, Robert Wood Johnson Medical School, 675 Hoes Lane, Piscataway, NJ 08854. Phone: (732) 235-4161. Fax: (732) 235-4559. E-mail: inouyesu{at}umdnj.edu.


Journal of Bacteriology, December 2005, p. 8537-8541, Vol. 187, No. 24
0021-9193/05/$08.00+0     doi:10.1128/JB.187.24.8537-8541.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.