OBP56h modulates social interactions in Drosophila
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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资源简介：
Social interactions in insects are strongly driven by conspecific chemical signals that are detected via chemoreceptors of olfactory and gustatory neurons. Odorant binding proteins (Obps) transport volatile odorants to chemosensory receptors, but their pleiotropic effects on behaviors and other traits are not well characterized. Here, we knocked down expression of 14 Drosophila melanogaster Obp genes using RNAi and found that seven had reduced male aggressive behavior, particularly Obp56h. RNAi knockdown of Obp56h gene expression also reduced courtship latency; significantly impacted cuticular hydrocarbon production, with a major reduction in 5-Tricosene (5-T); and affected expression of many other genes, including Or19b, Gr97a and several genes associated with lipase activity. We propose that Obp56h plays a dual role in pheromone production and perception and that 5-T, an inhibitory sex pheromone produced by males that increases latency for early stages of courtship, is implicated as a possible ligand for Obp56h.
提供机构：
North Carolina State University
创建时间：
2022-02-20
