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Red palm weevil olfactory proteins annotated from the rostrum provide insights into the essential role in chemosensation and chemoreception [Elektronski vir]Venthur, Herbert ...Red palm weevil (RPW), Rhynchophorus ferrugineus (Coleoptera: Curculionidae), is rapidly infesting palm trees (Arecaceae) in several countries, threatening coconut, date, and oil cultivations. The ... male-produced aggregation pheromone in palm weevils has been reported to be secreted through the mouth to the rostrum, a snout-like projection key for pheromone emission and dispersion. The olfactory mechanisms that underlie peripheral odorant detection in RPW have been addressed at the antennal level. However, the rostrum remains unexplored. Through RNA-seq, 27 odorant-binding proteins (OBPs), 6 chemosensory proteins (CSPs), 4 sensory neuron membrane proteins (SNMPs), 21 gustatory receptors (GRs), 25 odorant receptors (ORs) (including one odorant receptor coreceptor, Orco) and 10 ionotropic receptors (IRs), were identified. We reported 27 novel rostrum-specific olfactory proteins (4 IRs, 11 GRs, 2 CSPs, 3 OBPs, and 7 ORs) in R. ferrugineus (Rfer). The OBPs (RferSOBPs) [Rfer with “S” indicating “snout” (rostrum)] were the most abundant transcripts compared with the rest of the olfactory proteins. We identified several rostrum OBPs, which predominately emerged through gene duplication, and were found expressed in both rostrum and antennae. Noticeably, we found R. ferrugineus pheromone-binding protein (RferOBP1768) paralog in the rostrum (RferOBP14) and mapped it in the same scaffold at a different position on the RPW genome as a recent duplicate. We found that an OR (RferSOR1) was the most abundant for both field-collected and lab-reared RPWs, in the rostrum and antennae. Likewise, up-regulated olfactory-related proteins were established in field conditions compared with those from laboratory-reared. We found a rostrum-specific, highly expressing RferSIR1 in IR93a-clade related to hygrosensation. The role of these olfactory proteins as targets for identifying more specific and powerful semiochemicals is discussed in the context of pest management.Source: Frontiers in ecology and evolution [Elektronski vir]. - ISSN 2296-701X (Vol. 11, art. 1159142, 2023, 18 str.)Type of material - e-articlePublish date - 2023Language - englishCOBISS.SI-ID - 167755779
Author
Venthur, Herbert |
Arias, Ignacio |
Lizana, Paula |
Jakše, Jernej |
Alharbi, Hatten A. |
Alsaleh, Mohammed Ahmed Ali |
Pain, Arnab |
Antony, Binu
Topics
Curculionidae |
palm weevil |
snout transcriptome |
aggregation pheromone |
olfaction |
chemosensory proteins |
palmov vrtač |
Rhynchophorus ferrugineus |
škodljivci rastlin |
transkriptom |
kemosenzorični proteini
Author | Venthur, Herbert ... |
Title | Red palm weevil olfactory proteins annotated from the rostrum provide insights into the essential role in chemosensation and chemoreception [Elektronski vir] |
Publication date | 2023-07-25 |
COBISS.SI-ID | 167755779 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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Research grants | KAUST-OSR-2018- RPW-3816 |
King Abdullah University of Science and Technology In Saudi Arabia |
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Faculty baseline fund - Biological and Environmental Science and Engineering (BESE) | BAS/1/1020-01-01 |
King Abdullah University of Science and Technology In Saudi Arabia |
|
Kmetijske rastline - genetika in sodobne tehnologije | P4-0077-2019 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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https://doi.org/10.3389/fevo.2023.1159142 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=151580 |
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Venthur, Herbert | |
Arias, Ignacio | |
Lizana, Paula | |
Jakše, Jernej | 16379 |
Alharbi, Hatten A. | |
Alsaleh, Mohammed Ahmed Ali | |
Pain, Arnab | |
Antony, Binu |
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