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Expression regulation of the Dlk1-Dio3 imprinted domain by the intergenic differentially methylated region (IG-DMR) is essential for normal embryonic development in mammals. In this study, we investigated conserved IG-DMR genomic sequences in eutherians to elucidate their role in genomic imprinting of the Dlk1-Dio3 domain. Using a comparative genomics approach, we identified three highly conserved sequences in IG-DMR. To elucidate the functions of these sequences in vivo, we generated mutant mice lacking each of the identified highly conserved sequences using the CRISPR/Cas9 system. Although mutant mice did not exhibit the gross phenotype, deletions of the conserved sequences altered the expression levels of paternally expressed imprinted genes in the mutant embryos without skewing imprinting status. These results suggest that the conserved sequences in IG-DMR are involved in the expression regulation of some of the imprinted genes in the Dlk1-Dio3 domain.
Pubmed ID: 27904015
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Non-profit plasmid repository dedicated to helping scientists around the world share high-quality plasmids. Facilitates archiving and distributing DNA-based research reagents and associated data to scientists worldwide. Repository contains over 65,000 plasmids, including special collections on CRISPR, fluorescent proteins, and ready-to-use viral preparations. There is no cost for scientists to deposit plasmids, which saves time and money associated with shipping plasmids themselves. All plasmids are fully sequenced for validation and sequencing data is openly available. We handle the appropriate Material Transfer Agreements (MTA) with institutions, facilitating open exchange and offering intellectual property and liability protection for depositing scientists. Furthermore, we curate free educational resources for the scientific community including a blog, eBooks, video protocols, and detailed molecular biology resources.
View all literature mentionsA division of Applied Biosystems selling products for the isolation, detection, quantification, amplification, and characterization of RNA.
View all literature mentionsA commercial organization which provides assay technologies to isolate DNA, RNA, and proteins from any biological sample. Assay technologies are then used to make specific target biomolecules, such as the DNA of a specific virus, visible for subsequent analysis.
View all literature mentionsPortal to interactively visualize genomic data. Provides reference sequences and working draft assemblies for collection of genomes and access to ENCODE and Neanderthal projects. Includes collection of vertebrate and model organism assemblies and annotations, along with suite of tools for viewing, analyzing and downloading data.
View all literature mentionsPipMaker computes alignments of similar regions in two DNA sequences. Moreover, MultiPipMaker can be requested to compute a true multiple alignment of the input sequences and return a nucleotide-level view of the results.
View all literature mentionsYou can easily align, visualize and quantify bisulfite sequence data for CpG methylation analysis.
View all literature mentionsApplied Biosciences is a small miority owned LLC. We specialize in hormone assays from the very small (30 g to the 5000 kg elephant) to the very large. We have a vast experience of knowledge in the endocrine field. Our experts are board certified in animal pharmacology as well as theriogenology. Combined with our Endocrinologist, there is over 75 years of experience with animal medicine and more specficially endocrinology of many animal species.
View all literature mentionsSoftware tool that screens DNA sequences for interspersed repeats and low complexity DNA sequences. The output of the program is a detailed annotation of the repeats that are present in the query sequence as well as a modified version of the query sequence in which all the annotated repeats have been masked (default: replaced by Ns). Currently over 56% of human genomic sequence is identified and masked by the program. Sequence comparisons in RepeatMasker are performed by one of several popular search engines including nhmmer, cross_match, ABBlast/WUBlast, RMBlast and Decypher. RepeatMasker makes use of curated libraries of repeats and currently supports Dfam ( profile HMM library ) and RepBase ( consensus sequence library ).
View all literature mentionslaboratory mouse with name C57BL/6N from MGI.
View all literature mentionsMus musculus with name C57BL/6J from IMSR.
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