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The genome of Tetranychus urticae reveals herbivorous pest adaptations
The completely sequenced and annotated spider mite genome is presented, representing the first complete chelicerate genome, and finds strong signatures of polyphagy and detoxification in gene families associated with feeding on different hosts and in new gene families acquired by lateral gene transfer.
DNA methylation is widespread and associated with differential gene expression in castes of the honeybee, Apis mellifera
The results highlight the potential significance of epigenetic modifications, such as DNA methylation, in developmental processes in social insects and provide fertile ground for future studies of phenotypic plasticity and genomic imprinting.
Functional and Evolutionary Insights from the Genomes of Three Parasitoid Nasonia Species
Key findings include the identification of a functional DNA methylation tool kit; hymenopteran-specific genes including diverse venoms; lateral gene transfers among Pox viruses, Wolbachia, and Nasonia; and the rapid evolution of genes involved in nuclear-mitochondrial interactions that are implicated in speciation.
DNA methylation in insects: on the brink of the epigenomic era
It is suggested that insects are particularly amenable to advancing the understanding of the biological functions of DNA methylation, because insects are evolutionarily diverse, display several lineage‐specific losses ofDNA methylation and possess tractable patterns of DNAmethylation in moderately sized genomes.
The evolution of invertebrate gene body methylation.
It is found that genes that are methylated in all four invertebrate taxa are enriched for housekeeping functions related to transcription and translation, whereas the loss of DNA methylation occurred in genes whose functions include cellular signaling and reproductive processes.
Slow molecular clocks in Old World monkeys, apes, and humans.
Significant rate variation among genomic regions and a positive correlation between the rate of substitution and the GC content are found, refuting the claim of a uniform rate.
On the presence and role of human gene-body DNA methylation
A model holds that the repression of intragenic transcription by gene- body methylation is largely epiphenomenal, and suggests that gene-body methylation levels are predominantly shaped via the accessibility of the DNA to methylating enzyme complexes.
The genome of the fire ant Solenopsis invicta
A phylogenetic analysis revealed that an ancestral vitellogenin gene first underwent a duplication that was followed by possibly independent duplications of each of the daughter viteLLogenins, possibly reflecting differential selection acting on the queen and worker castes.
Male-driven evolution.