Project description:This study investigates host-specific gene expression of the Pacific salmon lice, Lepeophtheirus salmonis oncorhynchii, while parasitizing a resistant host (Coho salmon), two susceptible hosts (Atlantic salmon, Sockeye salmon), and a population with-held hosts (starved), over 48 hrs.

2017-01-25 | GSE80220 | GEO

Sex-Biased Gene Expression and Sequence Conservation in Pacific and Atlantic Salmon Lice (Lepeophtheirus salmonis)

Project description:This study investigates sex-biased gene expression between populations of Atlantic and Pacific salmon lice, Lepeophtheirus salmonis. Two Atlantic L. salmonis populations were previously used for an array study (GSE56024) while a third dataset using Pacific L. salmonis was novel. Using all three populations, a consensus-based, meta-analysis approach was used to identify sex-biased and sex-specific genes. Two separate experiments were conducted, one for Atlantic and one for Pacific salmon lice. As the Atlantic data has been previously published for other comparisons (GSE56024), only the Pacific data is uploaded here. Lice from three populations (2 in the Atlantic and 1 in the Pacific) were collected for in vitro bioassay analysis using emamectin benzoate. After 24hrs, lice were collected as per treatment protocol below. Males and females from all populations were compared separately before forming a consensus probe list of sex-biased genes concordantly expressed across all three populations. Please note that each raw data file contains three or four 'block' data and each block data correspond to individual sample raw data. Therefore, each raw data file contains raw data for 3-4 samples (as indicated in the description field).

2016-06-01 | E-GEOD-73734 | biostudies-arrayexpress

Transcriptomic responses to emamectin benzoate in Pacific and Atlantic Canada salmon lice Lepeophtheirus salmonis with differing levels of drug resistance

2014-11-17 | GSE56024 | GEO

Lepeophtheirus salmonis strain:Atlantic

Project description:Lepeophtheirus salmonis (Atlantic Canada) Transcriptome or Gene expression

| PRJNA73431 | ENA

Effects of the vertically transmitted microsporidian Facilispora margolisi and the parasiticide emamectin benzoate on salmon lice (Lepeophtheirus salmonis)

Project description:This study investigates transcriptomic responses of Pacific salmon lice, Lepeophtheirus salmonis, to infection with the microsporidian Facilispora margolisi and/or exposure to emamectin benzoate (EMB), an antiparasitic agent commonly used in salmon aquaculture.

2017-08-01 | GSE94692 | GEO

Lepeophtheirus salmonis

Project description:Lepeophtheirus salmonis Atlantic Canada genome sequencing project

| PRJNA280127 | ENA

Transcriptomic responses to emamectin benzoate in Pacific and Atlantic Canada salmon lice Lepeophtheirus salmonis with differing levels of drug resistance

Project description:This study investigates the baseline or inducible differences in between populations of Atlantic salmon lice Lepeophtheirus salmonis with differing levels of resistance to the parasiticidal drug emamectin benzoate (EMB), as well as the induced effects of EMB exposure to Pacific salmon lice. F1 generation lice were exposed in bioassays to a dilution series of emamectin benzoate. Two separate experiments were conducted, one for Atlantic and one for Pacific salmon lice (to be analyzed separately). Atlantic pre-adult salmon lice, separated into male and female, and sensitive or resistant to EMB populations, and exposed to a dilution series: 0 (control), 0.1, 25, 300, and 1000 parts per billion EMB. For each combination four biological replicates were included, except male resistant 25 (n = 3) and female resistant 300 (n = 2). Pacific pre-adult lice of both sexes were exposed to a dilution series: 0 (control), 25, 50 parts per billion EMB.

2014-11-17 | E-GEOD-56024 | biostudies-arrayexpress

Responses to ectoparasite salmon louse (Lepeophtheirus salmonis) in Atlantic salmon

Project description:This SuperSeries is composed of the following subset Series: GSE26981: Responses to ectoparasite salmon louse (Lepeophtheirus salmonis) in skin of Atlantic salmon GSE26984: Responses to ectoparasite salmon louse (Lepeophtheirus salmonis) in spleen of Atlantic salmon Refer to individual Series

2011-02-03 | E-GEOD-27013 | biostudies-arrayexpress

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