TRANSCRIPTIONAL AND HORMONAL DEFENCE-GROWTH TRADEOFFS DETERMINE PLANT SURVIVAL AND FITNESS UPON SPIDER MITE INFESTATION
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PROVIDER: PRJNA1076571 | ENA |
REPOSITORIES: ENA
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Project description:Tetranychus urticae is an important pest that causes severe damage on a wide variety of plants and crops, leading to a substantial loss of productivity. Previous research has focused on the study of Arabidopsis short-term response to T. urticae, but a comprehensive evaluation of the interaction through whole plant life cycle has not been previously studied. Here, through a physiological trait, transcriptomic and hormonomic evaluation we uncovered the molecular pathways directing the interaction of T. urticae during the complete plant life cycle. Upon mite infestation, plant suffers a process of adaptation to cope the stress and survive, led by the establishment of defence-growth trade-offs in the plant. Transcriptional and hormonal evaluation reveal how plant defence response upon mite perception determines the later growth responses and plant survival. In addition, a delay in plant development with a negative effect on plant fitness was observed, being fitness negatively affected with seed ageing. Taken together, our findings uncover the dynamics regulating plant-mite interactions and determining plant survival and reproductive success, providing new potential targets for improving plant response. Additionally, trade-offs suppose a cost on final plant fitness, demonstrating the underlying impact of the mite on the establishment of the offspring.
2024-08-31 | GSE255811 | GEO
Project description:Understanding the complex interactions between plants and herbivores is essential for improving crop resistance. To deep into the role of cyanogenesis in plant defence, we investigated the response of the cyanogenic Phaseolus lunatus (lima bean) and the non-cyanogenic Phaseolus vulgaris (common bean) to Tetranychus urticae infestation. Despite spider mite infesting both legumes, severity of leaf damage was reduced in lima bean. Comparative transcriptome analysis revealed that both species exhibited substantial metabolic and transcriptional changes upon infestation, yet the response in P. lunatus was significantly more pronounced. Specific differences in amino acid homeostasis and in the expression of key genes of the cyanogenic pathway were observed in P. lunatus. Moreover, the mandelonitrile lyase gene (PlMNL1) was upregulated following T. urticae feeding concomitantly to an enzyme activity increase. Lima bean plants also displayed an induction of β-cyanoalanine synthase (PlCYSC1), a key enzyme for cyanide detoxification, suggesting an internal regulatory mechanism to manage the toxicity of their defence responses. These findings contribute to have a major comprehension of the plant-insect interactions and underscore the potential role of cyanogenesis in the elaboration of unique specific defensive responses, even within the same genus, which may reflect distinctive evolutionary adaptations or varying metabolic capabilities between species.
2024-07-16 | GSE253336 | GEO
Project description:Contrasting defence mechanisms against spider mite infestation in Cyanogenic and Non-Cyanogenic legumes
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Project description:cassava Proteomic in response to mite infestation
2019-03-12 | PXD013048 |
Project description:Cultivated rice (Oryza sativa L.) is frequently exposed to multiple stresses, including Schizotetranychus oryzae mite infestation. Rice domestication has narrowed the genetic diversity of the species, leading to a wide susceptibility. This work aimed to observe the response of two wild rice species (Oryza barthii and O. glaberrima) and two O. sativa genotypes (cv. Nipponbare and f. spontanea) to S. oryzae infestation. Surprisingly, leaf damage, histochemistry, chlorophyll concentration and fluorescence showed that the wild species present higher level of leaf damage, increased accumulation of H2O2 and lower photosynthetic capacity when compared to O. sativa genotypes under infested conditions. Infestation decreased tiller number, except in Nipponbare. Infestation also caused the death of wild plants during the reproductive stage. While infestation did not affect the weight of 1,000 grains in both O. sativa genotypes, the number of panicles per plant was affected only in f. spontanea, and the percentage of full seeds per panicle and seed length were increased only in Nipponbare. Using proteomic analysis, we identified 195 differentially abundant proteins when comparing susceptible (O. barthii) and tolerant (Nipponbare) genotypes under control and infested conditions. O. barthii has a less abundant antioxidant arsenal and is unable to modulate proteins involved with general metabolism and energy production under infested condition. Nipponbare presents high abundance of detoxification-related proteins, general metabolic processes and energy production, suggesting that, under infested condition, the primary metabolism is maintained more active compared to O. barthii. Also, under infested conditions, Nipponbare presents higher levels of proline and a greater abundance of defense-related proteins, such as osmotin, ricin B-like lectin, and protease inhibitors. These differentially abundant proteins can be used as biotechnological tools in breeding programs aiming increased tolerance to mite infestation.
2021-09-09 | PXD020940 | Pride
Project description:Soybean is one of the most important sources of food, protein, and oil in the world. Reductions in grain number and quality are caused by different biotic stresses. One of the most common is the phytophagous mite Tetranychus urticae Koch (Acari: Tetranychidae), which inhibits plant growth and grain production. The identification of plant responses to early and late T. urticae infestation is important for a better understanding of the mite-plant interaction. We therefore aimed to evaluate the physiological and molecular responses of soybean plants to mite infestation for 5 and 21 days. Visual and microscopic symptoms of leaf damage, H2O2 accumulation, and lipid peroxidation increased consistently throughout the infestation period, while shoot length/dry weight, chlorophyll level, and number of days to reach specific developmental stages were negatively affected by T. urticae infestation. Using proteomic analysis, we identified 185 and 266 differentially abundant proteins after early (5 days) and late (21 days) mite infestation, respectively, which suggests a complex remodeling of diverse metabolic pathways. GO, KEGG, and protein-protein interaction analyses indicated that photorespiration, chlorophyll synthesis, amino acid metabolism, Krebs cycle/energy production, mitochondrial translation, nucleotide salvage, PS II assembly, and reductive pentose-P cycle are all impacted after both early and late infestation. Specific metabolic pathways modified only after early infestation include cell wall modification, cytoskeleton composition, cell division, and lysine/histidine metabolism, while JA biosynthesis, antioxidant system, S-adenosyl methionine cycle, PS II repair, cysteine/methionine/glutathione/ascorbate/-linolenic acid/selenocompound metabolism, arginine biosynthesis, and proteasome are modified only after late infestation. These differentially abundant proteins can be used as biotechnological tools in future breeding programs aiming at increased resistance to mite infestation.
2024-09-16 | PXD050106 | Pride
Project description:The goal of our microarray experiments was to compare the gene expression profile of two spirodiclofen resistant spider mite strains (SR-VP and SR-TK) with that of a susceptible spider mite strain (LS-VL)
2013-06-26 | GSE43538 | GEO
Project description:Spider mites, including the two-spotted spider mite (Tetranychus urticae, TSSM) and the Banks grass mite (Oligonychus pratensis, BGM), are becoming increasingly important agricultural pests. The TSSM is an extreme generalist documented to feed on more than 1100 plant hosts. In contrast, the BGM is a grass specialist, with hosts including important cereal crops like maize, wheat, sorghum and barley. Historically, studies of plant-herbivore interactions have focused largely on insects. However, far less is known about plant responses to spider mite herbivores, especially in grasses, and whether responses differ between generalists and specialists. To identify plant defense pathways responding to spider mites, we collected time course RNA-seq data from barley (Hordeum vulgare L.) infested with TSSMs and BGMs. Additionally, and as a comparison to the physical damage caused by spider mite feeding, a wounding treatment was also included. The experiment was performed with four biological replicates across each of the following (28 samples in total): no infestation (C, control), 2hr after wounding (W2), 24hr after wounding (W24), 2hr after TSSM infestation (T2), 24hr after TSSM infestation (T24), 2hr after BGM infestation (B2), and 24hr after BGM infestation (B24).
2016-06-24 | E-GEOD-83676 | biostudies-arrayexpress
Project description:The goal of our microarray experiments was to compare the gene expression profile of two spirodiclofen resistant spider mite strains (SR-VP and SR-TK) with that of a susceptible spider mite strain (LS-VL) 5 samples were analyzed: 3 biological replicates for SR-VP, 2 biological replicates for SR-TK
2013-06-26 | E-GEOD-43538 | biostudies-arrayexpress
Project description:spider mite microbial community diversity
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