A tyramine receptor gene LsTAR2 is involved in reproduction and feeding in the small brown planthopper Laodelphax striatellus

Pesticide Biochemistry and Physiology, Journal Year: 2025, Volume and Issue: 209, P. 106335 - 106335

Published: Feb. 18, 2025

Language: Английский

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Cross-talk between low temperature and other environmental factors

Current Opinion in Insect Science, Journal Year: 2024, Volume and Issue: 63, P. 101193 - 101193

Published: March 13, 2024

Language: Английский

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Daphnia magna an emerging environmental model of neuro and cardiotoxicity of illicit drugs.

Environmental Pollution, Journal Year: 2024, Volume and Issue: 344, P. 123355 - 123355

Published: Jan. 14, 2024

Cocaine, methamphetamine, ectasy (3,4-methylenedioxy amphetamine (MDMA)) and ketamine are among the most consumed drugs worldwide causing cognitive, oxidative stress cardiovascular problems in humans. Residue levels of these their transformation products may still enter aquatic environment, where concentrations up to hundreds ng/L have been measured. In present work we tested hypothesis that psychotropic effects mode action D. magna responses equivalent those reported humans other vertebrate models. Accordingly expose juveniles pharmacological environmental relevant concentrations. The study was complemented with measurement main neurotransmitters involved known mechanisms mammals physiological amino acids. Behavioural cognitive patters clearly differentiate 3 psychostimulant (methamphetamine, cocaine, MDMA) from dissociative one ketamine. Psychostimulant at doses (10-200 μM), increased basal locomotion activities light, decreased habituation it. Ketamine only light. four enhanced production reactive oxygen species a concentration related manner, moderate (10-60 μM) heartbeats, diminishing them high (200 μM). chronic exposures low (10-1000 ng/L) did not affect any behavioural measured but methamphetamine cocaine inhibited reproduction 10 ng/L. Observed on metabolites were concern mammalian models: MDMA dopamine serotonin levels, respectively, octopamine, all MT levels. Drug acids evidence disruptive neurotransmitter synthesis, urea cycle, lipid metabolism cardiac function.

Language: Английский

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Altered Octopamine synthesis impairs tyrosine metabolism affecting Helicoverpa armigera vitality

Pesticide Biochemistry and Physiology, Journal Year: 2025, Volume and Issue: 208, P. 106323 - 106323

Published: Feb. 10, 2025

Language: Английский

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Insecticide resistance in mosquitoes: molecular mechanisms, management, and alternatives

Journal of Pest Science, Journal Year: 2025, Volume and Issue: unknown

Published: May 6, 2025

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Genome-wide analysis and characterization of HSP gene families (HSP20, HSP40, HSP60, HSP70, HSP90) in the yellow fever mosquito (Aedes aegypti) (Diptera: Culicidae)

Journal of Insect Science, Journal Year: 2023, Volume and Issue: 23(6)

Published: Nov. 1, 2023

Abstract The heat shock protein (HSP) gene families, present across prokaryotes to eukaryotes, play vital roles in growth, development, and resistance processes. While HSP proteins have been identified characterized various species, this study achieved the first genome-wide identification characterization of Aedes aegypti genome. This assessed 80 potential genes Ae. aegypti. phylogenetic relationships were investigated aegypti, Anopheles stephensi, Drosophila melanogaster. Additionally, structural features, chromosomal locations, characteristics, 3D structure, protein–protein interactions, microsatellites associated with examined analysis families revealed distinct intra-group for each group. Each family exhibited relatively conserved genetic structures motif components. In expression growth high was observed certain HSP20 HSP70 genes, while others low expression. Notably, sex-dependent differences observed, particularly genes. These findings, relationships, evolution, modification are illuminated by these comprehensive a better understanding mechanisms underlying vector organisms is facilitated.

Language: Английский

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Effect of Octopamine on the Frequency Tuning of the Auditory System in Culex Pipiens Pipiens Mosquito (Diptera, Culicidae)

Neuroscience and Behavioral Physiology, Journal Year: 2024, Volume and Issue: 54(2), P. 319 - 328

Published: Feb. 1, 2024

Language: Английский

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The octopamine receptor OAα1 influences oogenesis and reproductive performance in Rhodnius prolixus

PLoS ONE, Journal Year: 2023, Volume and Issue: 18(12), P. e0296463 - e0296463

Published: Dec. 29, 2023

The control of reproductive processes in Rhodnius prolixus involves a variety neuroactive chemicals. Among these, several studies have suggested that the biogenic amine octopamine (OA), might play an active role these processes. Here, we investigate molecular profile R . α adrenergic-like OA receptor 1 (RpOAα1-R) and its egg production. Comparative analyses confirm RpOAα1-R gene codes for true OAα1 receptor. transcript is highly expressed tissues associated with production, after blood meal, which stimulus full production , upregulated ovaries spermatheca. After RNAi-mediated knockdown, ovarian phenotype characterized by slow development observed. Furthermore, altered has been eggs are deformed. Interestingly, there no evidence disruption vitellogenin (Vg) synthesis fat body or uptake oocytes. On other hand, downregulation correlated defective choriogenesis eggs. These results provide critical information concerning OAα1-R oogenesis

Language: Английский

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Tyramine-Mediated Hyperactivity Modulates the Dietary Habits in Helicoverpa armigera

Journal of Chemical Ecology, Journal Year: 2024, Volume and Issue: 50(9-10), P. 453 - 464

Published: June 18, 2024

Language: Английский

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Tyraminergic control of vitellogenin production and release in the blood-feeding insect, Rhodnius prolixus

Insect Biochemistry and Molecular Biology, Journal Year: 2023, Volume and Issue: 156, P. 103948 - 103948

Published: April 17, 2023

Language: Английский

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