A central regulator of morphological differentiation in the multicellular bacterium Streptomyces coelicolor.

abstract：:Sinorhizobium meliloti, the endosymbiont of Medicago sativa, can use haem compounds, including haemoglobin and leghaemoglobin, when growing in the free-living state. The components of the system involved in haem acquisition were confirmed to be ShmR, an outer membrane receptor, and HmuTUV, predicted to be an ABC trans...

journal_title：Molecular microbiology

authors： Cuív PO,Keogh D,Clarke P,O'Connell M

更新日期：2008-12-01 00:00:00

abstract：:Fungi appear to be unique in their requirement for a third soluble translation elongation factor. This factor, designated elongation factor 3 (EF-3), was first described in the yeast Saccharomyces cerevisiae and has subsequently been identified in a wide range of fungal species including Candida albicans and Schizosac...

journal_title：Molecular microbiology

authors： Belfield GP,Tuite MF

更新日期：1993-08-01 00:00:00

abstract：:RpoS, an alternative primary sigma factor, has been shown to be regulated at multiple levels, including transcription, translation and protein stability. Here, we present evidence that suggests that RpoS is regulated at yet another level by the product of the crl gene. The crl gene was first thought to encode the majo...

journal_title：Molecular microbiology

authors： Pratt LA,Silhavy TJ

更新日期：1998-09-01 00:00:00

abstract：:Mycoplasma hyopneumoniae induces respiratory disease in swine by colonizing cilia causing ciliostasis, cilial loss and epithelial cell death. Heparin binds to M. hyopneumoniae cells in a dose-dependent manner and blocks its ability to adhere to porcine cilia. We show here that Mhp493 (P216), a paralogue of the cilium ...

journal_title：Molecular microbiology

authors： Wilton J,Jenkins C,Cordwell SJ,Falconer L,Minion FC,Oneal DC,Djordjevic MA,Connolly A,Barchia I,Walker MJ,Djordjevic SP

更新日期：2009-02-01 00:00:00

abstract：:Expression of the Saccharomyces cerevisiae nuclear gene CYB2 encoding the mitochondrial enzyme L-(+)-lactate-cytochrome c oxidoreductase (EC 1.2.2.3) is subject to several strict metabolic controls at the transcriptional level: repression due to glucose fermentation, derepression by ethanol, induction by lactate and i...

journal_title：Molecular microbiology

authors： Ramil E,Agrimonti C,Shechter E,Gervais M,Guiard B

更新日期：2000-09-01 00:00:00

abstract：:The syrD gene of Pseudomonas syringae pathovar syringae strain B301D-R was characterized and sequenced. The syrD open reading frame is 1695 bp long and encodes a predicted protein, SyrD, of approximately 63 kDa. Database searches revealed that SyrD shares a high degree of similarity with the ATP-binding cassette (ABC)...

journal_title：Molecular microbiology

authors： Quigley NB,Mo YY,Gross DC

更新日期：1993-08-01 00:00:00

abstract：:Replication fork arrest can cause DNA double-strand breaks (DSBs). These DSBs are caused by the action of the Holliday junction resolvase RuvABC, indicating that they are made by resolution of Holliday junctions formed at blocked forks. In this work, we study the homologous recombination functions required for RuvABC-...

journal_title：Molecular microbiology

authors： Seigneur M,Ehrlich SD,Michel B

更新日期：2000-11-01 00:00:00

abstract：:For malaria to be transmitted, the Plasmodium falciparum parasite must invade an erythrocyte and undergo gametocytogenesis. When mature intraerythrocytic gametocytes are taken up in a blood meal by a mosquito they emerge as gametes and, once fertilized, continue to differentiate into infectious sporozoites. One of the...

journal_title：Molecular microbiology

authors： Eksi S,Stump A,Fanning SL,Shenouda MI,Fujioka H,Williamson KC

更新日期：2002-06-01 00:00:00

abstract：:Xanthomonas campestris pv. campestris (Xcc) is the causal agent of black rot in crucifers. Our previous findings revealed that Xcc can degrade 4-hydroxybenzoic acid (4-HBA) via the β-ketoadipate pathway. This present study expands on this knowledge in several ways. First, we show that infective Xcc cells induce in sit...

journal_title：Molecular microbiology

authors： Chen B,Li RF,Zhou L,Qiu JH,Song K,Tang JL,He YW

更新日期：2020-11-01 00:00:00

abstract：:A mechanistic hypothesis for the origin of the three domains of life is proposed. A population of evolving pre-cells is suggested to have had a membrane of a racemate of chiral lipids that continuously underwent spontaneous symmetry breaking by spatial phase segregation into two enantiomerically enriched membrane doma...

journal_title：Molecular microbiology

authors： Wächtershäuser G

更新日期：2003-01-01 00:00:00

abstract：:Protein kinase C constitutes a family of serine-threonine kinases found in all eukaryotes and implicated in a wide range of cellular functions, including regulation of cell growth, cellular differentiation and immunity. Here, we present three independent lines of evidence which indicate that protein kinase C is essent...

journal_title：Molecular microbiology

authors： Penn TJ,Wood ME,Soanes DM,Csukai M,Corran AJ,Talbot NJ

更新日期：2015-10-01 00:00:00

abstract：:We identified interactions between the conserved bacterial replication initiator and transcription factor DnaA and the nucleoid-associated protein Rok of Bacillus subtilis. DnaA binds directly to clusters of DnaA boxes at the origin of replication and elsewhere, including the promoters of several DnaA-regulated genes....

journal_title：Molecular microbiology

authors： Seid CA,Smith JL,Grossman AD

更新日期：2017-03-01 00:00:00

abstract：:The crystal structures of two active forms of dissimilatory sulphite reductase (Dsr) from Desulfovibrio gigas, Dsr-I and Dsr-II, are compared at 1.76 and 2.05 Å resolution respectively. The dimeric α2β2γ2 structure of Dsr-I contains eight [4Fe-4S] clusters, two saddle-shaped sirohaems and two flat sirohydrochlorins. I...

journal_title：Molecular microbiology

authors： Hsieh YC,Liu MY,Wang VC,Chiang YL,Liu EH,Wu WG,Chan SI,Chen CJ

更新日期：2010-12-01 00:00:00

abstract：:Sphingomyelin is the main sphingolipid in Trypanosoma brucei, the causative agent of African sleeping sickness. In vitro and in vivo characterization of the T. brucei neutral sphingomyelinase demonstrates that it is directly involved in sphingomyelin catabolism. Gene knockout studies in the bloodstream form of the par...

journal_title：Molecular microbiology

authors： Young SA,Smith TK

更新日期：2010-06-01 00:00:00

abstract：:The phenomenon of cell-density-dependent control of gene expression, called autoinduction, has long been a subject of interest and investigation in bioluminescent marine bacteria. It is now becoming clear that many other bacteria, including animal and plant pathogens, use an autoinduction mechanism to regulate a varie...

journal_title：Molecular microbiology

authors： Sitnikov DM,Schineller JB,Baldwin TO

更新日期：1995-09-01 00:00:00

abstract：:Colonies of strains carrying a stable lambdaplacMu15 translational fusion displayed sharply defined intense staining at the centre on Xgal medium. The fusion was in fiu (ferric ion uptake), encoding an iron-regulated outer membrane protein (IROMP) controlled via four overlapping ferric uptake regulator (Fur) boxes in ...

journal_title：Molecular microbiology

authors： Newman DL,Shapiro JA

更新日期：1999-07-01 00:00:00

abstract：:On the basis of the published N-terminal amino acid sequence of the soluble lytic transglycosylase 35 (Slt35) of Escherichia coli, an open reading frame (ORF) was cloned from the 60.8 min region of the E. coli chromosome. The nucleotide sequence of the ORF, containing a putative lipoprotein-processing site, was shown ...

journal_title：Molecular microbiology

authors： Ehlert K,Höltje JV,Templin MF

更新日期：1995-05-01 00:00:00

abstract：:A transposon insertion screen implicated the yejH gene in the repair of ionizing radiation-induced damage. The yejH gene, which exhibits significant homology to the human transcription-coupled DNA repair gene XPB, is involved in the repair of double-strand DNA breaks. Deletion of yejH significantly sensitized cells to...

journal_title：Molecular microbiology

authors： Chen SH,Byrne RT,Wood EA,Cox MM

更新日期：2015-03-01 00:00:00

abstract：:Only few small, regulatory RNAs encoded opposite another gene have been identified in bacteria. Here, we report the characterization of a locus where a small RNA (SymR) is encoded in cis to an SOS-induced gene whose product shows homology to the antitoxin MazE (SymE). Synthesis of the SymE protein is tightly repressed...

journal_title：Molecular microbiology

authors： Kawano M,Aravind L,Storz G

更新日期：2007-05-01 00:00:00

abstract：:Integration host factor (IHF) binds to two sites near the origin of transfer of the conjugative antibiotic resistance plasmid, R100. DNase I footprinting shows that one site is immediately adjacent to oriT and the gene X promoter, and another is adjacent to the traM promoter. A third site, known only from retardation ...

journal_title：Molecular microbiology

authors： Dempsey WB,Fee BE

更新日期：1990-06-01 00:00:00

abstract：:Bacterial cytochrome cbb3 oxidases are members of the haeme-copper oxidase superfamily that are important for energy conservation by a variety of proteobacteria under oxygen-limiting conditions. The opportunistic pathogen Pseudomonas aeruginosa is unusual in possessing two operons that each potentially encode a cbb3 o...

journal_title：Molecular microbiology

authors： Comolli JC,Donohue TJ

更新日期：2004-02-01 00:00:00

abstract：:The largest subunit of RNA polymerase II, Rpb1, contains an unusual C-terminal domain (CTD) composed of numerous repeats of the YSPTSPS consensus sequence. This sequence is the target of post-translational modifications such as phosphorylation, glycosylation, methylation and transitions between stereoisomeric states, ...

journal_title：Molecular microbiology

authors： Drogat J,Hermand D

更新日期：2012-06-01 00:00:00

abstract：:Eukaryotic cells have evolved a complex set of intracellular organelles, each of which possesses a specific complement of enzymes and performs unique metabolic functions. This compartmentalization of cellular functions provides a level of metabolic control not available to prokaryotes. However, it presents the eukaryo...

journal_title：Molecular microbiology

authors： Aitchison JD,Nuttley WM,Szilard RK,Brade AM,Glover JR,Rachubinski RA

更新日期：1992-12-01 00:00:00

abstract：:The chromosomal gef gene of Escherichia coli is a member of the gef gene family which encodes strongly toxic proteins of about 50 amino acids. We demonstrate here that the Gef protein is detectable by anti-peptide antibodies. Furthermore, we show that Gef is anchored in the cytoplasmic membrane by the N-terminal part ...

journal_title：Molecular microbiology

authors： Poulsen LK,Refn A,Molin S,Andersson P

更新日期：1991-07-01 00:00:00

abstract：:It has been hypothesized that the dinR gene product of Bacillus subtilis acts as a repressor of the SOS regulon by binding to DNA sequences located upstream of SOS genes, including dinR and recA. Following activation as a result of DNA damage, RecA is believed to catalyse DinR-autocleavage, thus derepressing the SOS r...

journal_title：Molecular microbiology

authors： Haijema BJ,van Sinderen D,Winterling K,Kooistra J,Venema G,Hamoen LW

更新日期：1996-10-01 00:00:00

abstract：:Biofilm formation in Bacillus subtilis requires expression of the eps and tapA-sipW-tasA operons to synthesize the extracellular matrix components, extracellular polysaccharide and TasA amyloid proteins, respectively. Expression of both operons is inhibited by the DNA-binding protein master regulator of biofilm format...

journal_title：Molecular microbiology

authors： Winkelman JT,Bree AC,Bate AR,Eichenberger P,Gourse RL,Kearns DB

更新日期：2013-06-01 00:00:00

abstract：:Bacteria differ from eukaryotes by having the enzyme DNA gyrase, which catalyses the ATP-dependent negative supercoiling of DNA. Negative supercoils are essential for condensing chromosomes into an interwound (plectonemic) and branched structure known as the nucleoid. Topo-1 removes excess supercoiling in an ATP-indep...

journal_title：Molecular microbiology

authors： Booker BM,Deng S,Higgins NP

更新日期：2010-12-01 00:00:00

abstract：:Intimin and Invasin are prototypical inverse (Type Ve) autotransporters and important virulence factors of enteropathogenic Escherichia coli and Yersinia spp. respectively. In addition to a C-terminal extracellular domain and a β-barrel transmembrane domain, both proteins also contain a short N-terminal periplasmic do...

journal_title：Molecular microbiology

authors： Leo JC,Oberhettinger P,Chaubey M,Schütz M,Kühner D,Bertsche U,Schwarz H,Götz F,Autenrieth IB,Coles M,Linke D

更新日期：2015-01-01 00:00:00

abstract：:A new locus required for type 4 pilus biogenesis by Pseudomonas aeruginosa has been identified. A pilE mutant, designated MJ-6, was broadly resistant to pili-specific phages and unable to translocate across solid surfaces by the pilus-dependent mechanism of twitching motility (Twt-). Immunoblot analysis demonstrated t...

journal_title：Molecular microbiology

authors： Russell MA,Darzins A

更新日期：1994-09-01 00:00:00

abstract：:The tetA(L) gene of Bacillus subtilis encodes a transmembrane protein that can function as a Tc-metal/H+ antiporter, conferring low-level resistance to tetracycline. The TetA(L) coding sequence is preceded by a leader region that contains a 20-amino-acid open reading frame and an appropriately spaced ribosome binding ...

journal_title：Molecular microbiology

authors： Stasinopoulos SJ,Farr GA,Bechhofer DH

更新日期：1998-12-01 00:00:00