Data from: "Transcriptomic resources for three populations of Conus miliaris (Mollusca: Conidae) from Easter Island, American Samoa and Guam" in Genomic Resources Notes Accepted 1 August 2014-30 September 2014

Species interactions represent fundamental ecological processes that can have significant impacts on the evolutionary trajectories of species. However, the contribution of predator-prey interactions to genetic and phenotypic divergence within and between species remains largely unknown. In this context, predatory marine snails of the genus Conus exhibit considerable variation in venom composition, a phenomenon that may be due to the evolution of conotoxins in response to predator-prey interactions. It has been hypothesized that geographic differences in prey utilization drive the evolution of conotoxnis in cone snails and that the diversity of conotoxins is positively associated with prey diversity. To test if differences in predatory-prey interactions are associated with differences in venom composition, we sequenced and compared venom duct transcriptomes from 22 individuals of Conus miliaris from three geographic populations differing in dietary breath.

物种相互作用是生态系统的核心基础过程，可对物种的演化轨迹产生显著影响。然而，捕食者-猎物相互作用对物种种内与物种间遗传及表型分化的具体贡献，目前仍鲜为人知。在此背景下，芋螺属（Conus）的肉食性海洋螺类在毒液组分上呈现出显著差异，这一现象可能源于为响应捕食者-猎物相互作用而演化出的芋螺毒素（conotoxins）。已有假说提出，猎物利用的地理差异驱动了芋螺体内芋螺毒素的演化，且芋螺毒素的多样性与猎物多样性呈正相关关系。为验证捕食者-猎物相互作用的差异是否与毒液组分差异相关，本研究对来自3个食性广度存在差异的地理种群的22只星芋螺（Conus miliaris）个体的毒液导管转录组进行了测序与比较分析。