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The genome of Tetranychus urticae reveals herbivorous pest adaptations
TLDR
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. Expand
A link between host plant adaptation and pesticide resistance in the polyphagous spider mite Tetranychus urticae
TLDR
Key roles for both an expanded environmental response gene repertoire and transcriptional regulation in the life history of generalist herbivores are suggested, which support a model whereby selection for the ability to mount a broad response to the diverse defense chemistry of plants predisposes the evolution of pesticide resistance in generalists. Expand
Mity model: Tetranychus urticae, a candidate for chelicerate model organism.
TLDR
The two-spotted spider mite Tetranychus urticae has the smallest genome of any arthropod determined so far, undergoes rapid development and is easy to maintain in the laboratory, which makes it a promising reference organism for the economically important, poorly studied and species-rich chelicerate lineage. Expand
A burst of ABC genes in the genome of the polyphagous spider mite Tetranychus urticae
TLDR
The first comprehensive analysis of ABC genes in a polyphagous arthropod herbivore is presented, demonstrating that the broad plant host range and high levels of pesticide resistance in T. urticae are associated with lineage-specific expansions ofABC genes, many of which respond transcriptionally to xenobiotic exposure. Expand
The development and evolution of polyembryonic insects.
TLDR
Phylogenetic analyses based on the fossil record and living species indicate that the most primitive winged insects reside in hemimetabolous orders, such as the Odonata and Orthoptera (grasshoppers), whereas the most advanced insects occur in the holometabolous Orders. Expand
Expression of pair-rule gene homologues in a chelicerate: early patterning of the two-spotted spider mite Tetranychus urticae
TLDR
The expression pattern of Tu-pax3/7 lends support to the possibility that a pair-rule patterning mechanism is active in the segmentation pathways of chelicerates. Expand
Reciprocal Responses in the Interaction between Arabidopsis and the Cell-Content-Feeding Chelicerate Herbivore Spider Mite1[W][OPEN]
TLDR
Mutant analysis of induced plant defense pathways showed functionally that only a subset of induced programs, including jasmonic acid signaling and biosynthesis of indole glucosinolates, are central to Arabidopsis’s defense to mite herbivory. Expand
Tomato Whole Genome Transcriptional Response to Tetranychus urticae Identifies Divergence of Spider Mite-Induced Responses Between Tomato and Arabidopsis.
TLDR
Timecourse tomato transcriptional responses to spider mite feeding and compare them with Arabidopsis in order to determine conserved and divergent defense responses to this pest are described. Expand
The cys-loop ligand-gated ion channel gene family of Tetranychus urticae: implications for acaricide toxicology and a novel mutation associated with abamectin resistance.
TLDR
Genome annotation, phylogenetic analysis and comparison of the cysLGIC subunits with their counterparts in insects reveals that the T. urticae genome encodes for a high number of glutamate- and histamine-gated chloride channel genes (GluCl and HisCl) compared to insects. Expand
Population bulk segregant mapping uncovers resistance mutations and the mode of action of a chitin synthesis inhibitor in arthropods
TLDR
It is shown that the acaricide etoxazole inhibits chitin biogenesis in Tetranychus urticae (the two-spotted spider mite), an economically important pest, and a genetic mapping approach based on high-throughput genome sequencing is developed, which should be powerful for high-resolution mapping of simple traits (resistance or otherwise) in arthropods. Expand
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