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Streptomyces pristinaespiralis

ABSTRACT: Streptomyces pristinaespiralis overview

PROVIDER: PRJNA36845 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR004368.fastq.gz	Fastqsanger.gz
	SRR017401.fastq.gz	Fastqsanger.gz

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Streptomyces pristinaespiralis strain:PR11

Project description:Streptomyces pristinaespiralis strain:PR11 Genome sequencing

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Streptomyces pristinaespiralis strain:SAI-175

Project description:Streptomyces pristinaespiralis SAI-175 genome sequencing

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Streptomyces pristinaespiralis strain:SAI-205

Project description:Streptomyces pristinaespiralis SAI-205 genome sequencing

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Streptomyces pristinaespiralis strain:HCCB 10218

Project description:Streptomyces pristinaespiralis strain:HCCB 10218 Genome sequencing

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Characterization of the 'pristinamycin supercluster' of Streptomyces pristinaespiralis.

Project description:Pristinamycin, produced by Streptomyces pristinaespiralis Pr11, is a streptogramin antibiotic consisting of two chemically unrelated compounds, pristinamycin I and pristinamycin II. The semi-synthetic derivatives of these compounds are used in human medicine as therapeutic agents against methicillin-resistant Staphylococcus aureus strains. Only the partial sequence of the pristinamycin biosynthetic gene cluster has been previously reported. To complete the sequence, overlapping cosmids were isolated from a S. pristinaespiralis Pr11 gene library and sequenced. The boundaries of the cluster were deduced, limiting the cluster size to approximately 210 kb. In the central region of the cluster, previously unknown pristinamycin biosynthetic genes were identified. Combining the current and previously identified sequence information, we propose that all essential pristinamycin biosynthetic genes are included in the 210 kb region. A pristinamycin biosynthetic pathway was established. Furthermore, the pristinamycin gene cluster was found to be interspersed by a cryptic secondary metabolite cluster, which probably codes for a glycosylated aromatic polyketide. Gene inactivation experiments revealed that this cluster has no influence on pristinamycin production. Overall, this work provides new insights into pristinamycin biosynthesis and the unique genetic organization of the pristinamycin gene region, which is the largest antibiotic 'supercluster' known so far.

| S-EPMC3818860 | biostudies-literature

The genome of Streptomyces rimosus shows a novel structure compared to other Streptomyces

Project description:This study compared the genome of Streptomyces rimosus rimosus against that of Streptomyces coelicolor. It also compared 4 strains with changes in oxytetracycline production and derived from G7, the type strain, against G7. Keywords: Comparative genomic hybridization

2008-01-11 | GSE10126 | GEO

A Complex Signaling Cascade Governs Pristinamycin Biosynthesis in Streptomyces pristinaespiralis.

Project description:Pristinamycin production in Streptomyces pristinaespiralis Pr11 is tightly regulated by an interplay between different repressors and activators. A γ-butyrolactone receptor gene (spbR), two TetR repressor genes (papR3 and papR5), three SARP (Streptomyces antibiotic regulatory protein) genes (papR1, papR2, and papR4), and a response regulator gene (papR6) are carried on the large 210-kb pristinamycin biosynthetic gene region of Streptomyces pristinaespiralis Pr11. A detailed investigation of all pristinamycin regulators revealed insight into a complex signaling cascade, which is responsible for the fine-tuned regulation of pristinamycin production in S. pristinaespiralis.

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Genome-wide binding site profiling of NdgR in Streptomyces coelicolor

Project description:We identified genome-wide binding regions of NdgR in Streptomyces coelicolor using chromatin immunoprecipitation sequencing (ChIP-seq). We constructed 6×myc-tagged NdgR strain using homologous recombination with myc-tagging vector. Analysis of the sequencing data aligned to Streptomyces coelicolor genome database (NC_003888).

2014-12-29 | GSE59010 | GEO

Ribosome profiling of Streptomyces griseus NBRC13350 and Streptomyces venezuelae ATCC15439

Project description:We performed ribosome profiling which is the deep-sequencing of mRNA fragments protected by translating ribosome for two Streptomyces species through different growth phases to provide the translatome data

2020-03-03 | GSE138278 | GEO

Two-component signal transduction systems in Streptomyces and related organisms

Project description:Two component sensor-response regulator systems (TCSs) are very common in the genomes of the Streptomyces species that have been fully sequenced to date. It has been suggested that this large number is an evolutionary response to the variable environment that Streptomyces encounter in soil. Notwithstanding this, TCSs are also more common in the sequenced genomes of other Actinomycetales when these are compared to the genomes of most other eubacteria. In this study, we have used DNA/DNA genome microarray analysis to compare fourteen Streptomyces species and one closely related genus to Streptomyces coelicolor in order to identify a core group of such systems. This core group is compared to the syntenous and non-syntenous TCSs present in the genome sequences of other Actinomycetales in order to separate the systems into those present in Actinomycetales in general, the Streptomyces specific systems and the species specific systems. Horizontal transfer does not seem to play a very important role in the evolution of the TCS complement analyzed in this study. However, cognate pairs do not necessarily seem to evolve at the same pace, which may indicate the evolutionary responses to environmental variation may be reflected differently in sequence changes within the two components of the TCSs. The overall analysis allowed subclassification of the orphan TCSs and the TCS cognate pairs and identification of possible targets for further study using gene knockouts, gene overexpression, reporter genes and yeast two hybrid analysis.

2009-01-31 | GSE13621 | GEO

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