منابع مشابه
Localizing Transcriptional Regulatory Elements at the Mouse Dlk1 Locus
Much effort has focused recently on determining the mechanisms that control the allele-specific expression of genes subject to genomic imprinting, yet imprinting regulation is only one aspect of configuring appropriate expression of these genes. Imprinting control mechanisms must interact with those regulating the tissue-specific expression pattern of each imprinted gene in a cluster. Proper ex...
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V hematopoiesis is a richly complex developmental system in which many transcription factors have essential and nonredundant roles (1). Some factors act as prominent controllers of differentiation in specific cell lineages, others are needed for stem cell generation, and others are needed for both. In this system, precise levels of one transcription factor relative to another in the same cell c...
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The free-living, oxyphototroph bacteria of the group of Prochlorococcus populate widely the oceans. Genomic information of nine marine cyanobacteria was used to predict signals essential for regulation. We implemented a pipeline that automatically calculates BLASTp alignments of query genomes, selects a representative subset of orthologs and predicts motifs conserved in their upstream sequences...
متن کاملHigh-definition mapping of retroviral integration sites identifies active regulatory elements in human multipotent hematopoietic progenitors.
Integration of retroviral vectors in the human genome follows nonrandom patterns that favor insertional deregulation of gene expression and increase the risk of their use in clinical gene therapy. The molecular basis of retroviral target site selection is still poorly understood. We used deep sequencing technology to build genomewide, high-definition maps of > 60 000 integration sites of Molone...
متن کاملTransformation mapping of the regulatory elements of the ecdysone-inducible P1 gene of Drosophila melanogaster.
The transcription of the P1 gene is induced by 20-hydroxyecdysone in fat bodies of third-instar larvae. Germ line transformation showed that sequences between -138 to +276 contain elements required for a qualitatively correct developmental and hormonal regulation of P1 transcription. Sequences from -138 to -68 are essential for this expression.
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ژورنال
عنوان ژورنال: Developmental Biology
سال: 2009
ISSN: 0012-1606
DOI: 10.1016/j.ydbio.2009.05.175