Transcriptional profiling reveals a critical role of GmFT2a in soybean staygreen syndrome caused by the pest Riptortus pedestris

New Phytologist, Год журнала: 2022, Номер 237(5), С. 1876 - 1890

Опубликована: Ноя. 21, 2022

Summary Soybean staygreen syndrome, characterized by delayed leaf and stem senescence, abnormal pods, aborted seeds, has recently become a serious prominent problem in soybean production. Although the pest Riptortus pedestris received increasing attention as possible cause of mechanism remains unknown. Here, we clarify that direct feeding R. , not transmission pathogen this pest, is primary typical syndrome critical damage occurs at early pod stage . Transcriptome profiling indicated many signal transduction pathways, including photoperiod, hormone, defense response, photosynthesis, respond to infestation. Importantly, discovered members FLOWERING LOCUS T ( FT ) gene family were suppressed infestation, overexpression floral inducer GmFT2a attenuates symptoms mediating response photosynthesis. Together, our findings systematically illustrate association between infestation provide basis for establishing targeted prevention control system.

Язык: Английский

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A salivary secretory protein from Riptortus pedestris facilitates pest infestation and soybean staygreen syndrome

Molecular Plant Pathology, Год журнала: 2023, Номер 24(6), С. 560 - 569

Опубликована: Март 14, 2023

The bean bug (Riptortus pedestris), one of the most important pests soybean, causes staygreen syndrome, delaying plant maturation and affecting pod development, resulting in severe crop yield loss. However, little is known about underlying mechanism this pest. In study, we found that a salivary secretory protein, Rp614, induced cell death nonhost Nicotiana benthamiana leaves. NbSGT1 NbNDR1 are involved Rp614-induced death. Tissue specificity analysis showed Rp614 mainly present glands highly during pest feeding. RNA interference experiments syndrome caused by R. pedestris was significantly attenuated when silenced. Together, our results indicate plays an essential role infestation provide promising target for control.

Язык: Английский

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Forecasting the Expansion of Bactrocera tsuneonis (Miyake) (Diptera: Tephritidae) in China Using the MaxEnt Model

Insects, Год журнала: 2024, Номер 15(6), С. 417 - 417

Опубликована: Июнь 4, 2024

The invasive pest, Bactrocera tsuneonis (Miyake), has become a significant threat to China’s citrus industry. Predicting the area of potentially suitable habitats for B. is essential optimizing pest control strategies that mitigate its impact on Here, existing distribution data tsuneonis, as well current climate and projections four future periods (2021–2040, 2041–2060, 2061–2080, 2081–2100) from Coupled Model Intercomparison Project Phase 6 (CMIP6) were obtained. under different change scenarios in China was predicted using optimized MaxEnt model, ArcGIS, ENMeval package. accuracy assessed ROC curves, primary environmental factors influencing identified based percent contribution. When regularization multiplier (RM) set 1.5 feature combination (FC) LQH, model with lower complexity Under these parameter settings, mean training AUC 0.9916, testing 0.9854, indicating high predictive performance. most influential variables limiting Precipitation Warmest Quarter (Bio18) Temperature Seasonality (standard deviation ×100) (Bio4). climatic conditions, habitat covered an 215.9 × 104 km2, accounting 22.49% country’s land area. Potentially primarily concentrated Central China, South East China. However, projections, exhibited varying degrees expansion. Furthermore, centroid total this gradually shifted westward northward. These findings suggest will spread northern western regions changes. results our study indicate have major effect invasion implications development

Язык: Английский

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Ecological forecasts of insect range dynamics: a broad range of taxa includes winners and losers under future climate

Current Opinion in Insect Science, Год журнала: 2024, Номер 62, С. 101159 - 101159

Опубликована: Янв. 9, 2024

Язык: Английский

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Shared phylogeographic patterns and environmental responses of co-distributed soybean pests: Insights from comparative phylogeographic studies of Riptortus pedestris and Riptortus linearis in the subtropics of East Asia

Molecular Phylogenetics and Evolution, Год журнала: 2024, Номер 195, С. 108055 - 108055

Опубликована: Март 12, 2024

Язык: Английский

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The intestinal microbial community and function of Riptortus pedestris at different developmental stages and its effects on development

Frontiers in Microbiology, Год журнала: 2025, Номер 16

Опубликована: Янв. 22, 2025

Introduction Riptortus pedestris is a destructive pest that threatens multiple leguminous crops in China. The intestinal microbiota plays crucial role the growth and reproduction of host insects. However, composition function gut at different developmental stages remain unclear. Methods Here, metagenomic sequencing was performed to clarify microbial diversity 2nd-, 3rd-, 4th-, 5th- instar nymphs (2 N–5 N) female adults (FAs) R. effects vital bacteria on development detected. have stage specificity, indicating their . Results Enterococcus Caballerronia were predominant present during 2 N–FAs. In addition, abundances 3 N 4 guts significantly greater than those others guts. Furthermore, 5 harbored abundant Burkholderia - Paraburkholderia Caballeronia metabolic pathways enriched from FAs. Carbohydrate metabolism, including glycoside hydrolases (GHs) glycosyl transferases (GTs), occurs throughout entire stage. Many antibiotic resistance genes (ARGs) detected Pseudomonadota Bacillota presented broad spectrum resistance. Excitingly, eliminated by treatment unable molt normally, lifespan shortened nymphs, had significant effect nymph development. Conclusion summary, our results, for first time, systematically illustrate abundance across demonstrate genera are This study provides basis stinkbug management strategies focus pivotal microbiota.

Язык: Английский

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Temperature Modulates Nutrient Metabolism and Antioxidative Fluctuations in Riptortus pedestris

Agronomy, Год журнала: 2025, Номер 15(6), С. 1300 - 1300

Опубликована: Май 26, 2025

Temperature plays a crucial role in influencing insect metabolism. In this study, we measured the body weight, CO2 emissions, nutrient substances, metabolic enzymes, and antioxidative enzymes Riptortus pedestris within range of 24–44 °C. The results show that emissions significantly varied between sexes temperatures, peaking at 36 °C for females 44 males. weights were lowest 40 °C, with notable differences observed genders. Total carbohydrate protein contents highest while glycogen fat peaked males, respectively. Enzyme activities varied, glyceraldehyde-3-phosphate dehydrogenase glycerol-3-phosphate 28–32 citrate synthase activity fluctuated 24 Lactate reached level 32 males then decreased 3-Hydroxyacyl-CoA Within to ratio HOAD GAPDH indicated shift from lipid metabolism higher particularly Superoxide dismutase Catalase its maximum concentration Malondialdehyde total capacity was temperatures Peroxidase ranging Our observations suggest temperature profoundly impacts energy metabolism, enzyme activities, physiological traits R. pedestris.

Язык: Английский

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Climate change may drive the distribution of tribe Zyginelline pests in China and the Indo‐China Peninsula to shift towards higher latitude river‐mountain systems

Pest Management Science, Год журнала: 2023, Номер 80(2), С. 613 - 626

Опубликована: Сен. 23, 2023

Tribe Zyginelline leafhoppers can transmit plant viruses and are important pests that affect agriculture, forestry, animal husbandry, causing serious economic losses. The potential distribution patterns of Zyginellini will change under climate change. Therefore, the best-performing random forest maximum entropy models among 12 commonly used ecological niche models, alongside an ensemble model, were selected to predict changes in habitat suitability current future scenarios [represented by two shared socio-economic pathways (SSPs), namely SSP126 SSP585, for three periods (2050s, 2070s, 2090s)] China Indo-China Peninsula first time.

Язык: Английский

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Genome-wide identification of candidate chemosensory receptors in the bean bug Riptortus pedestris (Hemiptera: Alydidae) and the functional verification of its odorant receptor co-receptor (Orco) in recognizing aggregation pheromone

Frontiers in Physiology, Год журнала: 2023, Номер 14

Опубликована: Июль 14, 2023

A sophisticated and sensitive olfactory system plays a vital role in the survival reproduction of insects. Chemosensory receptors are indispensable for molecular recognition discrimination semiochemicals. Riptortus pedestris is notorious pest legume plants, resulting yield losses quality decreases soybeans. It well accepted that R. highly relies on its detecting aggregation pheromones, host volatiles, pesticides; however, little research focused chemosensory receptors. In present study, we identified 237 odorant (ORs), 42 gustatory (GRs), 31 ionotropic (IRs) from reported genome pedestris, analyzed their phylogenetic relationship with other hemipteran species. Through results RNA-seq real-time quantitative PCR (qRT-PCR), found RpedORs displayed different expression levels antennae at development stages. To further verify function receptor co-receptor (Orco), an obligate unique insect OR, silenced RpedOrco by RNA interference (RNAi) method. The showed silencing could significantly impair response to pheromone indicating essential detection. Our can provide theoretical foundations revealing mechanism help explore develop novel olfactory-based agents against this pest.

Язык: Английский

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Functional analysis of neutral lipases in bug feeding and reproduction

Pest Management Science, Год журнала: 2023, Номер 79(12), С. 4809 - 4818

Опубликована: Июль 22, 2023

The bean bug, Riptortus pedestris, is known to cause significant economic losses in soybean crops due its seed-sucking behavior, but the mechanism of adaptation lipid-rich seeds remains poorly understood. To exploit potential target genes for controlling this pest, neutral lipases are functionally characterized study.In study, a total 69 were identified R. including 35 that underwent expansion. phylogeny, expression patterns, and catalytic capacity investigated we selected six salivary gland-specific, eight gut-specific, three ovary-specific functional analysis. All (Chr1.3195, Chr1.0994, Chr5.0087) critical insect reproduction, while few gut-specific (Chr4.0221 Chr1.3207) influence survivorship or weight gain. In contrast, no phenotype change observed when silencing gland-specific lipases.The Chr1.3195, Chr5.0087, Chr4.0221, Chr1.3207 essential pedestris feeding highly sensitive their deficiency, suggesting promising candidates application RNAi-based control destructive pest. © 2023 Society Chemical Industry.

Язык: Английский

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