JOURNAL OF BACTERIOLOGY

Volume 190 February 2008 No. 4

GUEST COMMENTARY

Pseudo-B12 Joins the Cofactor Family Michiko E. Taga and Graham C. 1157–1159 Walker

GENOMICS AND PROTEOMICS Characterization of the SOS Regulon of Caulobacter Raquel Paes da Rocha, Apua˜Ce´sar 1209–1218 crescentus de Miranda Paquola, Marilis do Valle Marques, Carlos Frederico Martins Menck, and Rodrigo S. Galhardo The Genome and Structural Proteome of YuA, a New Pieter-Jan Ceyssens, Vadim 1429–1435 Pseudomonas aeruginosa Phage Resembling M6 Mesyanzhinov, Nina Sykilinda, Yves Briers, Bart Roucourt, Rob Lavigne, Johan Robben, Artem Domashin, Konstantin Miroshnikov, Guido Volckaert, and Kirsten Hertveldt Role of the Clp System in Stress Tolerance, Biofilm Cindy A. Capestany, Gena D. 1436–1446 Formation, and Intracellular Invasion in Porphyromonas Tribble, Kazuhiko Maeda, Donald gingivalis R. Demuth, and Richard J. Lamont

MOLECULAR BIOLOGY OF PATHOGENS Influence of the spxB Gene on Competence in Streptococcus Patrick Ba¨ttig and Kathrin 1184–1189 pneumoniae Mu¨hlemann Clostridium perfringens Spore Germination: Characterization Daniel Paredes-Sabja, J. Antonio 1190–1201 of Germinants and Their Receptors Torres, Peter Setlow, and Mahfuzur R. Sarker Molecular Characterization Reveals Similar Virulence Gene Cheryl L. Tarr, Adam M. Nelson, 1344–1349 Content in Unrelated Clonal Groups of Escherichia coli of Lothar Beutin, Katharina E. P. Serogroup O174 (OX3) Olsen, and Thomas S. Whittam Moraxella catarrhalis Synthesizes an Autotransporter That Todd C. Hoopman, Wei Wang, 1459–1472 Is an Acid Phosphatase Chad A. Brautigam, Jennifer L. Sedillo, Thomas J. Reilly, and Eric J. Hansen

BACTERIOPHAGES, TRANSPOSONS, AND PLASMIDS Genetics for Pseudoalteromonas Provides Tools To Hanna M. Kivela¨, Stefania 1298–1307 Manipulate Marine Bacterial Virus PM2 Madonna, Mart Krupovı`cˇ, M. Luisa Tutino, and Jaana K. H. Bamford Phage Response to CRISPR-Encoded Resistance in He´le`ne Deveau, Rodolphe 1390–1400 Streptococcus thermophilus Barrangou, Josiane E. Garneau, Jessica Labonte´, Christophe Fremaux, Patrick Boyaval, Dennis A. Romero, Philippe Horvath, and Sylvain Moineau Diversity, Activity, and Evolution of CRISPR Loci Philippe Horvath, Dennis A. 1401–1412 in Streptococcus thermophilus Romero, Anne-Claire Couˆte´- Monvoisin, Melissa Richards, He´le`ne Deveau, Sylvain Moineau, Patrick Boyaval, Christophe Fremaux, and Rodolphe Barrangou

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Tn5 Synaptic Complex Formation: Role of Transposase Richard J. Gradman and William S. 1484–1487 Residue W450 Reznikoff A Transposase-Independent Mechanism Gives Rise to Susanne Hennig and Wilma Ziebuhr 1488–1490 Precise Excision of IS256 from Insertion Sites in Staphylococcus epidermidis

SIGNAL TRANSDUCTION Interaction of CheY with the C-Terminal Peptide of CheZ Jayita Guhaniyogi, Ti Wu, Smita S. 1419–1428 Patel, and Ann M. Stock

MICROBIAL COMMUNITIES AND INTERACTIONS Interaction between Two Putative Glycosyltransferases Is Su Bu, Yirong Li, Meixian Zhou, 1256–1266 Required for Glycosylation of a Serine-Rich Streptococcal Parastoo Azadin, Meiqin Zeng, Adhesin Paula Fives-Taylor, and Hui Wu

GENE REGULATION Genetic and Biochemical Analysis of CodY-Binding Sites in Boris R. Belitsky and Abraham L. 1224–1236 Bacillus subtilis Sonenshein Binding Site Determinants for the LysR-Type Allyson M. MacLean, Michelle I. 1237–1246 Transcriptional Regulator PcaQ in the Legume Anstey, and Turlough M. Finan Endosymbiont Sinorhizobium meliloti Role of the Multidrug Resistance Regulator MarA in Global Cristian Ruiz, Laura M. McMurry, 1290–1297 Regulation of the hdeAB Acid Resistance Operon in and Stuart B. Levy Escherichia coli ␥-Butyrolactone-Dependent Expression of the Streptomyces Shouji Yamamoto, Yuxi He, Kenji 1308–1316 Antibiotic Regulatory Protein Gene srrY Plays a Central Arakawa, and Haruyasu Kinashi Role in the Regulatory Cascade Leading to Lankacidin and Lankamycin Production in Streptomyces rochei Differential Regulation of High-Affinity Phosphate Transport Susanne Gebhard and Gregory M. 1335–1343 Systems of Mycobacterium smegmatis: Identification of PhnF, Cook a Repressor of the phnDCE Operon

GENETICS AND MOLECULAR BIOLOGY Characterization of the Sequence Specificity Determinants Josephine R. Chandler and Gary 1172–1183 Required for Processing and Control of Sex Pheromone by M. Dunny the Intramembrane Protease Eep and the Plasmid-Encoded Protein PrgY Novel Class of Mutations of pilS Mutants, Encoding Eriko Shimoda, Tatsuya Muto, 1202–1208 Plasmid R64 Type IV Prepilin: Interface of PilS-PilV Takayuki Horiuchi, Nobuhisa Interactions Furuya, and Teruya Komano CotC-CotU Heterodimerization during Assembly of the Rachele Isticato, Assunta Pelosi, 1267–1275 Bacillus subtilis Spore Coat Rita Zilha˜o, Loredana Baccigalupi, Adriano O. Henriques, Maurilio De Felice, and Ezio Ricca A Point Mutation in the Two-Component Regulator PhoP- Marie-Laure Chesne-Seck, Nathalie 1329–1334 PhoR Accounts for the Absence of Polyketide-Derived Barilone, Frédéric Boudou, Jesu´s Acyltrehaloses but Not That of Phthiocerol Dimycocerosates Gonzalo Asensio, Pappachan E. in Mycobacterium tuberculosis H37Ra Kolattukudy, Carlos Martı´n, Stewart T. Cole, Brigitte Gicquel, Deshmukh N. Gopaul, and Mary Jackson

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PHYSIOLOGY AND METABOLISM One Pathway Can Incorporate either Adenine or Peter J. Anderson, Jozsef Lango, 1160–1171 ␣ Dimethylbenzimidazole as an -Axial Ligand of B12 Colleen Carkeet, Audrey Britten, Cofactors in Salmonella enterica Bernhard Kra¨utler, Bruce D. Hammock, and John R. Roth Escherichia coli Cytosolic Glycerophosphodiester Noriyasu Ohshima, Saori 1219–1223 ,Phosphodiesterase (UgpQ) Requires Mg2؉,Co2؉,orMn2؉ Yamashita, Naoko Takahashi for Its Enzyme Activity Chizu Kuroishi, Yoshitsugu Shiro, and Koji Takio A Combination of sbmA and tolC Mutations in Escherichia Ricardo E. de Cristo´bal, Paula A. 1491–1494 coli K-12 Tn10-Carrying Strains Results in Vincent, and Rau´l A. Salomo´n Hypersusceptibility to Tetracycline

ENZYMES AND PROTEINS Pseudomonas aeruginosa PqsA Is an Anthranilate-Coenzyme James P. Coleman, L. Lynn Hudson, 1247–1255 A Ligase Susan L. McKnight, John M. Farrow III, M. Worth Calfee, Claire A. Lindsey, and Everett C. Pesci Affinity Isolation and I-DIRT Mass Spectrometric Analysis David J. Lee, Stephen J. W. Busby, 1284–1289 of the Escherichia coli O157:H7 Sakai RNA Polymerase Lars F. Westblade, and Brian T. Complex Chait PhoP-PhoP Interaction at Adjacent PhoP Binding Sites Is Akesh Sinha, Sankalp Gupta, 1317–1328 Influenced by Protein Phosphorylation Shweta Bhutani, Anuj Pathak, and Dibyendu Sarkar Xylanase Attachment to the Cell Wall of the Wolfgang Liebl, Christoph 1350–1358 Hyperthermophilic Bacterium Thermotoga maritima Winterhalter, Wolfgang Baumeister, Martin Armbrecht, and Michael Valdez Purification and Characterization of Serine Racemase from Masato Ohnishi, Makoto Saito, 1359–1365 a Hyperthermophilic Archaeon, Pyrobaculum islandicum Sadao Wakabayashi, Morio Ishizuka, Katsushi Nishimura, Yoko Nagata, and Sabu Kasai Mesaconyl-Coenzyme A Hydratase, a New Enzyme of Two Jan Zarzycki, Ansgar Schlichting, 1366–1374 Central Carbon Metabolic Pathways in Bacteria Nina Strychalsky, Michael Mu¨ller, Birgit E. Alber, and Georg Fuchs Characterization of a New Rhamnogalacturonan Acetyl Jose´ Navarro-Ferna´ndez, Irene 1375–1382 Esterase from Bacillus halodurans C-125 with a New Putative Martı´nez-Martı´nez, Silvia Montoro- Carbohydrate Binding Domain Garcı´a, Francisco Garcı´a-Carmona, Hideto Takami, and A´ lvaro Sa´nchez-Ferrer 3-Hydroxypropionyl-Coenzyme A Synthetase from Birgit E. Alber, Johannes W. Kung, 1383–1389 Metallosphaera sedula, an Enzyme Involved in Autotrophic and Georg Fuchs

CO2 Fixation Additional In Vitro and In Vivo Evidence for SecA Hongyun Wang, Bing Na, Hsiuchin 1413–1418 Functioning as Dimers in the Membrane: Dissociation into Yang, and Phang C. Tai Monomers Is Not Essential for Protein Translocation in Escherichia coli Structure of [NiFe] Hydrogenase Maturation Protein HypE Erumbi S. Rangarajan, Abdalin 1447–1458 from Escherichia coli and Its Interaction with HypF Asinas, Ariane Proteau, Christine Munger, Jason Baardsnes, Pietro Iannuzzi, Allan Matte, and Miroslaw Cygler

POPULATION GENETICS AND EVOLUTION Gene Acquisition at the Insertion Site for SCCmec, the Michael J. Noto, Barry N. 1276–1283 Genomic Island Conferring Methicillin Resistance in Kreiswirth, Alastair B. Monk, and Staphylococcus aureus Gordon L. Archer

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Analysis of Genetic Relatedness of Haemophilus influenzae Alice L. Erwin, Sara A. Sandstedt, 1473–1483 Isolates by Multilocus Sequence Typing Paul J. Bonthuis, Jennifer L. Geelhood, Kevin L. Nelson, William C. T. Unrath, Mathew A. Diggle, Mary J. Theodore, Cynthia R. Pleatman, Elizabeth A. Mothershed, Claudio T. Sacchi, Leonard W. Mayer, Janet R. Gilsdorf, and Arnold L. Smith

GENOME ANNOUNCEMENT The Complete Genome Sequence of Actinobacillus Simon J. Foote, Janine T. Bosse´, 1495–1496 pleuropneumoniae L20 (Serotype 5b) Anne B. Bouevitch, Paul R. Langford, N. Martin Young, and John H. E. Nash

Cover photograph (Copyright © 2008, American Society for Microbiology. All Rights Reserved.): Lichens, symbiotic associations of fungi with photosynthetic microbial partners, shown here growing on centuries-old roof tiles.