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Journal of Bacteriology, January 2004, p. 258-261, Vol. 186, No. 1
0021-9193/04/$08.00+0     DOI: 10.1128/JB.186.1.258-261.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

A Mother Cell-Specific Class B Penicillin-Binding Protein, PBP4b, in Bacillus subtilis

Yuping Wei,{dagger} Derrell C. McPherson,{ddagger} and David L. Popham*

Department of Biology, Virginia Tech, Blacksburg, Virginia 24061

Received 21 August 2003/ Accepted 30 September 2003

The Bacillus subtilis genome encodes 16 penicillin-binding proteins (PBPs), some of which are involved in synthesis of the spore peptidoglycan. The pbpI (yrrR) gene encodes a class B PBP, PBP4b, and is transcribed in the mother cell by RNA polymerase containing {sigma}E. Loss of PBP4b, alone and in combination with other sporulation-specific PBPs, had no effect on spore peptidoglycan structure.

* Corresponding author. Mailing address: Department of Biology, Virginia Tech, 2119 Derring Hall MC0406, Blacksburg, VA 24061. Phone: (540) 231-2529. Fax: (540) 231-9307. E-mail: dpopham{at}vt.edu.

{dagger} Present address: Department of Microbiology, Cornell University, Ithaca, NY 14851.

{ddagger} Present address: Department of Microbiology and Immunology, Loyola University Medical Center, Maywood, IL 60153.

Journal of Bacteriology, January 2004, p. 258-261, Vol. 186, No. 1
0021-9193/04/$08.00+0     DOI: 10.1128/JB.186.1.258-261.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.



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