ArticleBMC genomics2017
Age influences the olfactory profiles of the migratory oriental armyworm mythimna separate at the molecular level.
Article in BMC genomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 35 citations in OpenAlex.
- Insights on the nutritional ecology of a nocturnal pollinating insect.Insect science · 2026Article
- Physiological Status of Rice Leaf-RollerInsects · 2024Article
- Age-dependent perfume development in male orchid bees, Euglossa imperialis.The Journal of experimental biology · 2024Article
- Functional Identification of Olfactory Receptors ofInsects · 2023Article
- Effects of Juvenile Hormone Analog and Days after Emergence on the Reproduction of Oriental Armyworm,Insects · 2022Article
- Identification of Odorant-Binding and Chemosensory Protein Genes inFrontiers in physiology · 2022Article
- Article
- Functional Characterization of Sex Pheromone Neurons and Receptors in the Armyworm,Frontiers in neuroanatomy · 2021Article
- Article
- Transcriptomics reveal the molecular underpinnings of chemosensory proteins in Chlorops oryzae.BMC genomics · 2018Article
- Identification of candidate chemosensory genes in Mythimna separata by transcriptomic analysis.BMC genomics · 2018Article
- A chemosensory protein MsepCSP5 involved in chemoreception of oriental armywormInternational journal of biological sciences · 2018Article
- Functional Analysis of the Chemosensory Protein MsepCSP8 From the Oriental ArmywormFrontiers in physiology · 2018Article
- Central Projections of Antennal and Labial Palp Sensory Neurons in the Migratory ArmywormFrontiers in cellular neuroscience · 2017Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe oriental armyworm Mythimna separata (Walk) is a serious migratory pest; however, studies on its olfactory response and its underlying molecular mechanism are limited. To gain insights to the olfactory mechanism of migration, olfactory genes were identified using antennal transcriptome analysis. The olfactory response and the expression of olfactory genes for 1-day and 5-day-old moths were respectively investigated by EAG and RT-qPCR analyses.
resultsPutative 126 olfactory genes were identified in M. separata, which included 43 ORs, 13 GRs, 16 IRs, 37 OBPs, 14 CSPs, and 3 SNMPs. RPKM values of IR75d and 10 ORs were larger than co-receptors IR25a and ORco, and the RPKM value of PR2 was larger than that of other ORs. Expression of GR1 (sweet receptor) was higher than that of other GRs. Several sex pheromones activated evident EAG responses where the responses of 5-day-old male moths to the sex pheromones were significantly greater than those of female and 1-day old male moths. In accordance with the EAG response, 11 pheromone genes, including 6 PRs and 5 PBPs were identified in M. separate, and the expression levels of 7 pheromone genes in 5-day-old moths were significantly higher than those of females and 1-day-old moths. PR2 and PBP2 might be used in identifying Z11-16: Ald, which is the main sex pheromone component of M. separata. EAG responses to 16 plant volatiles and the expression levels of 43 olfactory genes in 1-day-old moths were significantly greater than that observed in the 5-day-old moths. Heptanal, Z6-nonenal, and benzaldehyde might be very important floral volatiles for host searching and recognized by several olfactory genes with high expression. Some plant volatiles might be important to male moths because the EAG response to 16 plant volatiles and the expression of 43 olfactory genes were significantly larger in males than in females.
conclusionsThe findings of the present study show the effect of adult age on olfactory responses and expression profile of olfactory genes in the migratory pest M. separate.
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