Dataset Information

Proteome dynamics during body color change associated with diapause induction in the two-spotted spider mite, Tetranychus urticae Koch

ABSTRACT: The two-spotted spider mite (Tetranychus urticae Koch) is one of the most destructive agricultural pests and has photoperiod-dependent reproductive diapause that allows it to overwinter. When adult females of T. urticae enter diapause, their body color changes from yellowish-green to orange due to the accumulation of carotenoids. Carotenoids play several roles, including body coloration, light perception, and protection of biomolecules from oxidative stress. However, the relationship between body color changes and reproductive arrest associated with diapause remains unclear. To reveal the relationship between carotenoid accumulation and reproductive diapause, we analyzed the proteomic patterns in diapause and non-diapause induced females with a liquid chromatography tandem-mass spectrometry (LC-MS/MS). The result shows that phytoene desaturate (tetur01g11270) was highest in diapause induced females than other genes related to carotenoid biosynthesis. Using phytoene desaturate as a biomarker, we anticipate further investigation of the relationship between carotenoid accumulation and reproductive diapause in T. urticae.

ORGANISM(S): Tetranychus Urticae

SUBMITTER: Rismayani

PROVIDER: PXD078207 | JPOST Repository | Thu Jul 30 00:00:00 BST 2026

REPOSITORIES: jPOST

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			Action	DRS
	20240415_Tetur_Complete_Akita-(1)-(2.5.0.400)abundance_RY%20(1).xlsx	Xlsx
	20240415_Tetur_Complete_Akita-(1)-(2.5.0.400)abundance_RY.xlsx	Xlsx
	Rismayani_20240415_Tetur_Complete_Akita_D0-7-(1)-(2.5.0.400).pdResult	Other

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Project description:While pathogen-induced immunity is comparatively well characterized, far less is known about plant defense responses to arthropod herbivores. To date, most molecular-genetic studies of plant-arthropod interactions have focused on insects. However, plant-feeding (phytophagous) mites are also pests of diverse plants, and mites induce different patterns of damage to plant tissues than do well-studied insects (e.g., Lepidopteran larvae or aphids). The two-spotted spider mite, Tetranychus urticae, is among the most significant mite pests in agriculture. T. urticae is an extreme generalist that has been documented on a staggering number of plant hosts (more than 1,100), and is renowned for the rapid evolution of pesticide resistance. To understand reciprocal interactions between T. urticae and a plant host at the molecular level, we examined mite herbivory using Arabidopsis thaliana. Despite differences in feeding guilds, we found that transcriptional responses of A. thaliana to mite herbivory generally resembled those observed for insect herbivores. In particular, defense to mites was mediated by jasmonic acid (JA) biosynthesis and signaling. Further, indole glucosinolates dramatically increased mite mortality and development times. Variation in both basal and activated levels of these defense pathways might also explain differences in mite damage and feeding success between A. thaliana accessions. On the herbivore side, a diverse set of genes associated with detoxification of xenobiotics was induced upon exposure to increasing levels of in planta indole glucosinolates. Our findings provide molecular insights into the nature of, and response to, herbivory for a representative of a major class of arthropod herbivores. We used microarray to assess global gene expresion in Arabidopsis thaliana upon Tetranychus urticae attack in two A. thaliana accessions: Bla-2, resistant to spider mite herbivory and Kon, susceptible to spider mite herbivory. 3 week old Arabidopsis thaliana plants were subjected to Tetranychus urticae attack through application of 10 mites for various periods of time (timecourse scenario) or hundreds of mites for 1 hour (feeding site scenario).

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Proteome dynamics during body color change associated with diapause induction in the two-spotted spider mite, Tetranychus urticae Koch

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