The functional role of methylated short tandem repeats in early mouse development

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dc.contributor.advisorBessant, Conrad
dc.contributor.authorDeakin, Greg
dc.date.accessioned2024-03-13T10:19:23Z
dc.date.available2024-03-13T10:19:23Z
dc.date.issued2011-08
dc.description.abstractShort tandem repeats, or microsatellites are ubiquitous throughout all genomes that have been explored. In common with other sequences, the DNA in microsatellites has DNA marks in the form of chromatin methylation. Regulation of DNA methylation and changes in their pattern is critical for the establishment of unique cell states throughout development in mammals. DNA methylation is extensively reprogrammed during the early phases of mammalian development to establish unique developmental patterning. Whether microsatellites are also reprogrammed with developmental patterns is unknown. In this thesis, we assessed the characteristics of di- and trinucleotide microsatellites in the NCBIM37 Mus musculus assembly and observed a marked difference in quantity and length of microsatellites of differing motif, not explained by any known mechanism. Secondly we assessed the quantities of di-, tri- and tetranucleotide microsatellites in experimentally determined methylomes of Mus musculus at various stages in development. Our results indicate that at least one tetranucleotide microsatellite motif and more tentatively a second trinucleotide microsatellite follow a pattern of methylation consistent with reprogramming. Finally we show that the genes containing these specific microsatellites in the NCBIM37 genome have strong links to known developmental processes.en_UK
dc.description.coursenameApplied Bioinformaticsen_UK
dc.description.sponsorshipBiotechnology and Biological (BBSRC)en_UK
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20969
dc.language.isoenen_UK
dc.publisherCranfield Universityen_UK
dc.publisher.departmentCranfield Healthen_UK
dc.subjectmicrosatellitesen_UK
dc.subjectDNA marksen_UK
dc.subjectDNA methylationen_UK
dc.subjectNCBIM37 genomeen_UK
dc.subjectmammalian developmenten_UK
dc.titleThe functional role of methylated short tandem repeats in early mouse developmenten_UK
dc.typeThesis or dissertationen_UK
dc.type.qualificationlevelMastersen_UK
dc.type.qualificationnameMScen_UK

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