Insects provide an accessible system to study the contribution of DNA methylation to complex epigenetic phenotypes created to regulate gene expression, chromatin states, imprinting and dosage compensation. The members of genus have been used as a model system to study aspects of biology like development, behaviour and genetics. Despite the popularity of as a genetic and epigenetic model organism, DNA methylation studies are limited due to low levels of genomic 5-methylcytosine. Our study employs a sensitive liquid chromatography-mass spectrometry (LCMS) based method to quantify the levels of 5-methylcytosine from the genomic DNA in different members of the genus . Our results reveal that, despite being phylogenetically related, there is a marked variation in the levels of 5-methylcytosine between the genomes of the members of genus . Also, there is a change in the genomic levels of 5-methylcytosine through each life cycle stage of holometabolous development in .
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| http://dx.doi.org/10.7717/peerj.5119 | DOI Listing |
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