Project description:Geoduck clams (Panopea generosa) were collected from Puget Sound, WA in November, 2014. Male and female geoduck gonads were sampled at three reproductive stages over the course of three months: early, middle, and late. Early stage indicates that the gonad cells are just beginning to differentiate and late stage indicates that the geoduck are ready to spawn. The goal of this study was to identify biomarkers of the geoduck reproductive cycle. Due to the restriction of our current data model we can not add multiple names as Lab Head. However, this Project has been equally led by Steven B. Roberts and Brook L. Nunn.

2018-12-04 | PXD003127 | Pride

Geoduck (Panopea generosa) gonad LC-MS/MS DIA

2017-01-02 | PXD004921 | Pride

Larval Geoduck (Panopea generosa) Proteomic Response to Ciliates.

Project description:The innate immune response is active in invertebrate larvae from early development. Induction of immune response pathways may occur as part of the natural progression of larval development, but an up-regulation of pathways can also occur in response to a pathogen. Here, we took advantage of a protozoan ciliate infestation of a larval geoduck clam culture in a commercial hatchery to investigate the molecular underpinnings of the innate immune response of the larvae to the pathogen. Larval proteomes were analyzed on days 4-10 post-fertilization; ciliates were present on days 8 and 10 post-fertilization. Through comparisons with larval cultures that did not encounter ciliates, proteins implicated in the response to ciliate presence were identified using mass spectrometry-based proteomics. Ciliate response proteins included many associated with ribosomal synthesis and protein translation, suggesting the importance of protein synthesis during the larval immune response. There was also an increased abundance of proteins typically associated with the stress and immune responses during ciliate exposure, such as heat shock proteins, glutathione metabolism, and the reactive oxygen species response. These findings provide a basic understanding of the bivalve molecular response to a mortality-inducing ciliate and improved characterization of the ontogenetic development of the innate immune response.

| S-EPMC7142153 | biostudies-literature

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