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streptomyces coelicolor

Définition du régulon DasR chez Streptomyces coelicolor, un réservoir pour la découverte de nouveaux gènes essentiels à l'induction de la différenciation morphologique et la production de métabolites secondaires

Définition du régulon DasR chez Streptomyces coelicolor, un réservoir pour la découverte de nouveaux gènes essentiels à l'induction de la différenciation morphologique et la production de métabolites secondaires

... II.2.1.3.2. Evolution de la fiabilité des prédictions.......................................................................... 69 II.2.1.3.3. Evolution du nombre de cibles potentielles ...

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Altered Desferrioxamine-mediated Iron Utilization is a Common Trait of bald Mutants of Streptomyces coelicolor

Altered Desferrioxamine-mediated Iron Utilization is a Common Trait of bald Mutants of Streptomyces coelicolor

... a Streptomyces coelicolor is an important model organism for developmental studies of filamentous GC- rich ...S. coelicolor blocked at the vegetative mycelium stage, the so-called bald (bld) mutants ...

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Production of prodiginines is part of a programmed cell death process in Streptomyces coelicolor

Production of prodiginines is part of a programmed cell death process in Streptomyces coelicolor

... when Streptomyces species switch from vegetative (nutrition) to aerial (reproduction) growth, lethal determinants are yet to be ...of Streptomyces coelicolor as model system, we revealed that, under ...

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DevA, a GntR-like transcriptional regulator required for development in Streptomyces coelicolor

DevA, a GntR-like transcriptional regulator required for development in Streptomyces coelicolor

... The life cycle of the filamentous soil bacterium Streptomyces coelicolor begins when a germinating spore gives rise to a colony of substrate mycelium. Vegetative growth proceeds by hyphal tip extension and ...

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Strong antibiotic production is correlated with highly active oxidative metabolism in Streptomyces coelicolor M145

Strong antibiotic production is correlated with highly active oxidative metabolism in Streptomyces coelicolor M145

... Streptomyces coelicolor M145 Catherine Esnault 1,4 , Thierry Dulermo 1 , Aleksey Smirnov 1 , Ahmed Askora 1,2 , Michelle David 1 , Ariane Deniset-Besseau 3 , Ian-Barry Holland 1 & Marie-Joelle Virolle 1 ...

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Étude de la fonction du gène tdd8 (SCO2368) codant pour une des protéines ayant un domaine TerD chez Streptomyces coelicolor

Étude de la fonction du gène tdd8 (SCO2368) codant pour une des protéines ayant un domaine TerD chez Streptomyces coelicolor

... l’espèce Streptomyces coelicolor était particulièrement intéressante pour les études génétiques puisque deux des antibiotiques produits par cette bactérie, l’undecylprodigiosine (Red) et l’actinorhodine ...

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Rôle des gènes homologues à terD dans le cycle vital de Streptomyces coelicolor

Rôle des gènes homologues à terD dans le cycle vital de Streptomyces coelicolor

... 4). Streptomyces coelicolor serves as model system for the study of bacterial development and other aspects of actinomycete ...ofS. coelicolor A3(2) has been completely sequenced and consists of more ...

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Impact of Phosphate Availability on Membrane Lipid Content of the Model Strains, Streptomyces lividans and Streptomyces coelicolor

Impact of Phosphate Availability on Membrane Lipid Content of the Model Strains, Streptomyces lividans and Streptomyces coelicolor

... Streptomyces coelicolor and ...S. coelicolor is a strong antibiotic producer characterized by an oxidative metabolism incompatible with TAG accumulation ( Esnault et ...S. coelicolor compared ...

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Mechanism and regulation of the Two-component FMN-dependent monooxygenase ActVA-ActVB from Streptomyces coelicolor.

Mechanism and regulation of the Two-component FMN-dependent monooxygenase ActVA-ActVB from Streptomyces coelicolor.

... USA, Tel: 734 764 9582, Fax: 734 764 3509, E. mail: dballou@umich.edu The ActVA-ActVB system from Streptomyces coelicolor is a two-component flavin-dependent monooxygenase involved in the antibiotic ...

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The Inhibition of Antibiotic Production in Streptomyces coelicolor Over-Expressing the TetR Regulator SCO3201 IS Correlated With Changes in the Lipidome of the Strain

The Inhibition of Antibiotic Production in Streptomyces coelicolor Over-Expressing the TetR Regulator SCO3201 IS Correlated With Changes in the Lipidome of the Strain

... In condition of over-expression, SCO3201, a regulator of the TetR family was previously shown to strongly inhibit antibiotic production and morphological differentiation in Streptomyces coelicolor M145. In ...

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The Chitobiose-Binding Protein, DasA, Acts as a Link between Chitin Utilization and Morphogenesis in Streptomyces Coelicolor

The Chitobiose-Binding Protein, DasA, Acts as a Link between Chitin Utilization and Morphogenesis in Streptomyces Coelicolor

... lock Streptomyces coelicolor in the vegetative growth phase and this molecule was therefore considered as a critical signal to the developmental programme (Rigali et ...S. coelicolor suggests other ...

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Crp of Streptomyces Coelicolor Is the Third Transcription Factor of the Large Crp-Fnr Superfamily Able to Bind Camp

Crp of Streptomyces Coelicolor Is the Third Transcription Factor of the Large Crp-Fnr Superfamily Able to Bind Camp

... of Streptomyces coelicolor that displays a cyclic-nucleotide- binding domain, Crp Sco , led to a germination-defective phenotype similar to the mutant of the adenylate cyclase gene (cya) unable to produce ...

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Prodiginines Postpone the Onset of Sporulation in Streptomyces coelicolor.

Prodiginines Postpone the Onset of Sporulation in Streptomyces coelicolor.

... S. coelicolor into the dormancy state (sporulation) by inducing the leakage of the intracellular content of dying filaments thereby providing nutrients for the ...

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Deletion of a cyclic AMP receptor protein homologue diminishes germination and affects morphological development of Streptomyces coelicolor

Deletion of a cyclic AMP receptor protein homologue diminishes germination and affects morphological development of Streptomyces coelicolor

... FIG. 3. Electrophoretic mobility shift assays. The DNA probe (the putative crp-like cis-acting element 110 nucleotides upstream of the GTG start codon) together with an excess (1,500-fold) of nonspecific salmon sperm DNA ...

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Analyse du protéome de Streptomyces coelicolor M145

Analyse du protéome de Streptomyces coelicolor M145

... Un merci tout particulier à mes compères de laboratoire: Lise, qui n'a jamais été avare de ton temps, Valérie, Marco et Maïté pour l'esprit d'équipe que vous avez réussi à créer. Au m[r] ...

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The permease gene nagE2 is the key to N-acetylglucosamine sensing and utilization in Streptomyces coelicolor and is subject to multi-level control

The permease gene nagE2 is the key to N-acetylglucosamine sensing and utilization in Streptomyces coelicolor and is subject to multi-level control

... We show here that the preceding gene nagF encodes the structural IIB domain of the permease complex. The reconstitution experiment with all purified PTS proteins demonstrated unequivocally that the PTS permease is ...

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The sugar phosphotransferase system of Streptomyces coelicolor is regulated by the GntR-family regulator DasR and links N-acetylglucosamine metabolism to the control of development

The sugar phosphotransferase system of Streptomyces coelicolor is regulated by the GntR-family regulator DasR and links N-acetylglucosamine metabolism to the control of development

... To further investigate the function of DasR, we analy- sed the effect of deleting the dasR gene of the sequenced S. coelicolor derivative M145. We replaced almost the complete coding region (nt 14–635 out of 765) ...

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Expression of genes of the Pho regulon is altered in Streptomyces coelicolor

Expression of genes of the Pho regulon is altered in Streptomyces coelicolor

... The transcriptional level of expression of genes encoding proteins showing a significant differential protein abundance (at least two fold at 36 or 48 h) between SL and SC was determine[r] ...

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Réaction d'hydroxylation aromatique catalysée par une hydroxylase flavine-dépendante à deux composants : le système ActVA-ActVB de Streptomyces coelicolor

Réaction d'hydroxylation aromatique catalysée par une hydroxylase flavine-dépendante à deux composants : le système ActVA-ActVB de Streptomyces coelicolor

... Les monooxygénases ou hydroxylases appartenant à la famille TC-FDM sont capables de catalyser l’hydroxylation d’un substrat par l’oxygène moléculaire en présence d’une flavin[r] ...

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Étude de la régulation de l'expression du système xylanolytique de Streptomyces lividans.

Étude de la régulation de l'expression du système xylanolytique de Streptomyces lividans.

... Les xylanases B et C hydrolysent le xylane en oligoxylosides de trois à dix résidus de xylose tandis que la xylanase A libère de ceux-ci principa- lement du xy[r] ...

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