Two sex pheromone receptors for sexual communication in the American cockroach

Li, Na; Dong, Renke; Zeng, Huanchao; Zhang, Yan; Huang, Run; Liu, Wei; Cao, Fengming; Yu, Jincong; Liao, Mingtao; Chen, Jingyou; Zhang, Wenlei; Huang, Zejian; Wang, Jiahui; Li, Li; Zhu, Shen; Huang, Danyan; Li, Zining; Zhang, Xiaoshuai; Yuan, Dongwei; Chen, Nan; Fan, Yongliang; Wang, Guirong; Schal, Coby; Pan, Yufeng; Li, Sheng

doi:10.1007/s11427-023-2548-3

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2024

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Cited by 3 publications

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Hox-determined appendage regeneration restores cockroach courtship rituals

Mai,

Liao,

Zhao

et al. 2024

Sci. China Life Sci.

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Hox-determined appendage regeneration restores cockroach courtship rituals

Mai,

Liao,

Zhao

et al. 2024

Sci. China Life Sci.

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Identification of a Soybean Volatile Attractive for Riptortus pedestris Using Reverse Chemical Ecology Approach

Zhang,

Luan,

Wei

et al. 2024

J. Agric. Food Chem.

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The bean bug Riptortus pedestris is a major soybean pest and a cause of the stay-green symptoms. However, the molecular mechanisms underlying its olfaction-mediated host-seeking behavior remain unclear. In this study, we compared the antennae transcriptomes of starved and nonstarved adult R. pedestris, identifying four differentially expressed odorant receptor (OR) genes. Among these, RpedOR13 showed a strong response to the host volatile 2-phenylethanol (2-PE) in Xenopus oocyte assays, while electroantennography and behavioral tests confirmed 2-PE as an effective attractant. Next, phylogenetic analysis identified RpedOR72b as a paralog of RpedOR13, with subsequent Xenopus oocyte assays confirming its specific response to 2-PE. Additionally, RNA interference experiments highlighted the crucial role of RpedOR72b in detecting 2-PE. Taken together, these findings provide new insights into the molecular mechanisms of host-seeking behavior in R. pedestris and highlight the successful application of reverse chemical ecology in OR-based screening of bioactive compounds.

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Identification of an Additional Periplanone Receptor Family Gene Preferentially Expressed in the Male Antennae of the American Cockroach

Watanabe,

Ugajin,

Tateishi

et al. 2024

Preprint

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Periplaneta cockroaches use periplanone analogs as female sex pheromones to attract males. We previously identified two periplanone receptor genes, PameOR1 and PameOR2, in the American cockroach Periplaneta americana. Here, we report the identification of PameOR1-like, an additional olfactory receptor resembling PameOR1 in P. americana. PameOR1-like showed high-level sequence similarity to PameOR1, and is preferentially expressed in the male antennae. Quantitative expression analysis revealed that, in the adult male antennae, the expression level of PameOR1 is 2.4-fold higher than that of PameOR1-like. Fluorescent in situ hybridization (FISH) revealed that PameOR1 and PameOR1-like are expressed in the PA-responsive sensory neurons (PA-SNs) within the single walled-B (sw-B) sensilla on the male adult antennae. These data support the idea that PameOR1 and PameOR1-like are generated by a recent gene duplication event and play a redundant function in sex pheromone reception in P. americana.

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Two sex pheromone receptors for sexual communication in the American cockroach

Cited by 3 publications

References 44 publications

Hox-determined appendage regeneration restores cockroach courtship rituals

Hox-determined appendage regeneration restores cockroach courtship rituals

Identification of a Soybean Volatile Attractive for Riptortus pedestris Using Reverse Chemical Ecology Approach

Identification of an Additional Periplanone Receptor Family Gene Preferentially Expressed in the Male Antennae of the American Cockroach

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