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• A mutation in the receiver domain of the Agrobacterium tumefaciens transcriptional regulator VirG increases its affinity for operator DNA
• 4-Nitrotryptophan is a substrate for the non-ribosomal peptide synthetase TxtB in the thaxtomin A biosynthetic pathway.
• A LuxR-type regulator from Agrobacterium tumefaciens elevates Ti plasmid copy number by activating transcription of plasmid replication genes
• A LuxR-type repressor of Burkholderia cenocepacia inhibits transcription via antiactivation and is inactivated by its cognate acylhomoserine lactone.
• A backtrack-inducing sequence is an essential component of Escherichia coli s70-dependent promoter-proximal pausing
• A large, mobile pathogenicity island confers plant pathogenicity on Streptomyces species
• A new family of quorum sensing pheromones synthesized using S-adenosylmethionine and Acyl-CoAs (review article)
• A novel DNA modification by sulphur
• A peroxide-induced zinc uptake system plays an important role in protection against oxidative stress in Bacillus subtilis
• A previously unidentified sigma factor and two accessory proteins regulate oxalate decarboxylase expression in Bacillus subtilis
• A small antisense RNA attenuates expression of an essential replicase gene of an Agrobacterium tumefaciens Ti plasmid
• A σW-dependent stress response in Bacillus subtilis that reduces membrane fluidity
• Activity of the quorum-sensing regulator TraR of Agrobacterium tumefaciens is inhibited by a truncated, dominant defective TraR-like protein
• Agrobacterium tumefaciens can obtain sulphur from an opine that is synthesized by octopine synthase using S-methylmethionine as a substrate.
• Alternative sigma factors and the regulation of flagellar gene expression
• Analysis of the role of Bacillus subtilis σ(M) in β-lactam resistance reveals an essential role for c-di-AMP in peptidoglycan homeostasis.
• Analysis of the role of the Pseudomonas syringae pv. syringae HrpZ harpin in elicitation of the hypersensitive response in tobacco using functionally nonpolar deletion mutations, truncated HrpZ fragments, and hrmA mutations
• Antibiotics that inhibit cell wall biosynthesis induce expression of the Bacillus subtilis sigma(W) and sigma(M) regulons
• Assembly of the cell division protein FtsZ into ladder-like structures in the aerial hyphae of Streptomyces coelicolor
• Bacillus subtilis MrgA is a Dps(PexB) homologue: evidence for metalloregulation of an oxidative-stress gene
• Bacillus subtilis contains multiple Fur homologues: identification of the iron uptake (Fur) and peroxide regulon (PerR) repressors
• Cell wall stress responses in Bacillus subtilis: the regulatory network of the bacitracin stimulon
• Changes to the editorial team at Molecular Microbiology.
• Characterization of a New rho Mutation That Relieves Polarity of Mu Insertions
• Characterization of the PvdS-regulated promoter motif in Pseudomonas syringae pv. tomato DC3000 reveals regulon members and insights regarding PvdS function in other pseudomonads
• Chemical communication in proteobacteria: biochemical and structural studies of signal synthases and receptors required for intercellular signalling.
• Common ancestry between incN conjugal transfer genes and macromolecular export systems of plant and animal pathogens
• Complementation of deletion mutations in a cloned functional cluster of Erwinia chrysanthemi out genes with Erwinia carotovora out homologs reveals OutC and OutD as candidate gatekeepers of species-specific secretion of proteins via the type II pathway
• DNA replication during endospore development in Metabacterium polyspora
• Dimerization of the quorum sensing transcription factor TraR enhances resistance to cytoplasmic proteolysis.
• Direct binding of the purified quorum sensing regulator CepR of Burkholderia cenocepacia to two target promoters in vitro
• Direct stimulus perception and transcription activation by a membrane-bound DNA binding protein.
• Double-Glycine Type Leader Peptides Direct Secretion of Bacteriocins by ABC Transporters: Colicin V Secretion in Lactococcus lactis
• Envelope stress is a trigger of CRISPR RNA-mediated DNA silencing in Escherichia coli
• Envelope stress is a trigger of CRISPR-mediated gene silencing in prokaryotes
• Genetic and physiological responses of Bacillus subtilis to metal ion stress
• Genome-wide responses to carbonyl electrophiles in Bacillus subtilis: control of the thiol-dependent formaldehyde dehydrogenase AdhA and cysteine proteinase YraA by the MerR-family regulator YraB (AdhR)
• Global analysis of the Bacillus subtilis Fur regulon and the iron starvation stimulon
• HopPtoN is a Pseudomonas syringae Hrp (type III secretion system) cyseine protease effector that suppresses pathogen-induced necrosis associated with both compatible and incompatible plant interactions
• Identification and characterisation of a novel Bacillus thuringiensis delta-endotoxin entomocidal to coleopteran and lepidopteran larvae
• Identification of Bacillus subtilis sigma-dependent genes that provide intrinsic resistance to antimicrobial compounds produced by Bacilli
• Identification of amino acid residues of the Agrobacterium tumefaciens quorum-sensing regulator TraR that are critical for positive control of transcription
• Identification of amino acid residues of the pheromone-binding domain of the transcription factor TraR that are required for positive control.
• Identification of target promoters for the Bacillus subtilis extracytoplasmic function sigma factor, sigma W
• Identification of the Escherichia coli K-12 Nramp orthologue (MntH) as a selective divalent metal ion transporter
• Initiation of intracellular offspring in Epulopiscium
• Localization of OccR-activated and TraR-activated promoters that express two ABC-type permeases and the traR gene of Ti plasmid pTiR10
• LuxR-type quorum-sensing regulators that are detached from common scents (review article)
• Manganese homeostasis in Bacillus subtilis is regulated by MntR, a bifunctional regulator related to the diphtheria toxin repressor family of proteins
• Mannopinic acid and agropinic acid catabolism region of the octopine-type Ti plasmid pTi15955
• Multiple lessons from the multiple functions of a regulator of type III secretion system assembly in the plant pathogen Pseudomonas syringae.
• New dimensions at Molecular Microbiology: 3D graphics and the Wiley Online Library
• Open complex formation by Escherichia coli RNA polymerase: the mechanism of polymerase-induced strand separation of double helical DNA
• Origins of metal ion selectivity in the DtxR/MntR family of metalloregulators
• Origins of specificity and cross-talk in metal ion sensing by Bacillus subtilis Fur.
• Overexpression of the COX2 translational activator, Pet111p, prevents translation of COX1 mRNA and cytochrome c oxidase assembly in mitochondria of Saccharomyces cerevisiae
• Oxidant-dependent switching between reversible and sacrificial oxidation pathways for Bacillus subtilis OhrR
• Prevalence of RNA polymerase stalling at Escherichia coli promoters after open complex formation
• Pseudomonas syringae pv. tomato DC3000 HopPtoM (CEL ORF3) is important for lesion formation but not growth in tomato and is secreted and translocated by the Hrp type III secretion system in a chaperone-dependent manner
• Regulation of inducible peroxide stress responses
• RepB protein of an Agrobacterium tumefaciens Ti plasmid binds to a site between repA and repB for plasmid partitioning and autorepression
• RepC protein of the octopine-type Ti plasmid binds to the probable origin of replication within repC and functions only in cis.
• Roles of metal ions and hydrogen peroxide in modulating the interaction of the Bacillus subtilis PerR peroxide regulon repressor with operator DNA
• Saturation mutagenesis of a CepR binding site as a means to identify new quorum-regulated promoters in Burkholderia cenocepacia.
• Signal quenching, detoxification, and mineralization of vir gene inducing phenolics by the VirH2 protein of Agrobacterium tumefaciens
• Site-directed mutagenesis of a LuxR-type quorum sensing transcription factor: alteration of autoinducer specificity
• Substrate induction of siderophore transport in Bacillus subtilis mediated by a novel one-component regulator
• The AraC/XylS regulator TxtR modulates thaxtomin biosynthesis and virulence in Streptomyces scabies
• The Bacillus subtilis sigma(M) regulon and its contribution to cell envelope stress responses
• The RepA and RepB autorepressors and TraR play opposing roles in the regulation of a Ti plasmid repABC operon
• The Tat pathway exports multiple virulence proteins in the plant pathogen Streptomyces scabies
• The first evidence that a single cellulase can be essential for cellulose degradation in a cellulolytic microorganism
• The global transcriptional response of Bacillus subtilis to manganese involves the MntR, Fur, TnrA and sigmaB regulons
• The phenolic vir gene inducer ferulic acid is O-demethylated by the VirH2 protein of an Agrobacterium tumefaciens Ti plasmid
• The putA gene of Agrobacterium tumefaciens is transcriptionally activated in response to proline by an Lrp-like protein and is not autoregulated
• The quorum-hindered transcription factor YenR of Yersinia enterocolitica inhibits pheromone production and promotes motility via a small non-coding RNA.
• The quorum-sensing protein TraR of Agrobacterium tumefaciens is susceptible to intrinsic and TraM-mediated proteolytic instability.
• The quorum-sensing transcription factor TraR decodes its DNA binding site by direct contacts with DNA bases and by detection of DNA flexibility
• The txtAB genes of the plant pathogen Streptomyces acidiscabies encode a peptide synthetase required for phytotoxin thaxtomin A production and pathogenicity
• TraA, TraC, and TraD autorepress two divergent quorum-regulated promoters near the transfer origin of the Ti plasmid of Agrobacterium tumefaciens
• TrlR, a defective TraR-like protein of Agrobacterium tumefaciens forms heterodimers with TraR in vitro, thereby blocking TraR-mediated quorum sensing
• Unified nomenclature for broadly conserved hrp genes of phytopathogenic bacteria
• Unwounded plants elicit Agrobacterium vir gene induction and T-DNA transfer: transformed plant cells produce opines yet are tumor-free
• VirA of Agrobacterium tumefaciens is an intradimer transphosphorylase and a signal-responsive phospho-VirG phosphatase