Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1039527 | ENA |
REPOSITORIES: ENA
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Project description:To study the underlying molecular mechanisms during the Varroa destructor life cycle, we carried out transcriptomic profiling of seven stages: young mites (collected from P8 to P9 brood cells), phoretic mites (collected on adult bees), arresting mites (collected in unsealed L5 brood cells), pre-laying mites (collected from sealed brood cells containing moving larva), laying mites (collected from sealed brood cells containing pre-pupae), post-laying mites (collected from capped brood cells containing purple-eye and white-body pupae P5), emerging mites (collected from P8 to P9 brood cells). In addition, we sampled non-reproducing mites (collected from P5 brood cells, but without offspring), males (collected from P8 to P9 brood cells), and phoretic mites artificially reared in cages with adult bees. This study was performed using Apis mellifera L. honey bee colonies naturally infested by Varroa destructor mites. Adult mites were collected from 4 unrelated colonies.
2018-04-11 | GSE100554 | GEO
Project description:Aloe DNA Barcoding Tool
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Project description:In an experimental evolutionary set-up, we transferred a genetically diverse strain of the spider mite Tetranychus urticae from its common host bean to tomato where replicated populations were allowed to adapt. By sampling the transcriptomes of non-adapted and adaptes mites feeding on bean and tomato, we identified gene-expression changes in the spider mite affiliated with tomato adaptation. Transcriptional analysis revealed that both constitutive gene-expression levels as well as the transcriptional plasticity of genes were affected. Specifically, tomato adaptation resulted in a large set of constitutively down-regulated genes of unknown function in adapted mites compared to non-adapted mites. Additionally, upon tomato exposure, adapted mites exhibited an increased transcriptional plasticity of genes coding for detoxifying enzymes and xenobiotic transporters. Remarkably, adapted mites further exhibited a differential effect on host plant physiology compared to non-adapted mites. Adapted mites induced a greater chlorotic area on tomato leaves and triggered attenuated induced responses relative to those induced by non-adapted mites.
2015-07-21 | GSE68708 | GEO