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Blood transcripts from female Japanese quail given LPS injection or saline

ABSTRACT: The aim of this experiment was to test how female Japanese quail respond to being housed with sick (LPS treated) relative to control males. LPS injected females were also tested.

ORGANISM(S): Coturnix japonica

PROVIDER: GSE174094 | GEO | 2022/10/08

REPOSITORIES: GEO

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Project description:Japanese quail (Coturnix coturnix japonica) reach sexual maturity early, breed rapidly and successfully, and cost less and require less space than other birds raised for their meat and eggs. Given the value of this species for commercial production and experimental use as well as recent increasing demand, more studies are necessary to determine chromosomal regions and genes associated with gender and breed-differentiation in the species. Identification of sex-related genes can help target chromosomal regions for molecular sexing purposes. This study employed Trinity and edgeR for transcriptome analysis of next-generation RNA-seq data, which included 4 tissues obtained from 3 different breeds of Japanese quail (wild, miniature, and jumbo). The initial goal was to identify genes related to sexual dimorphism, as well as potential novel candidate genes for molecular sexing. Analysis and interpretation of differentially expressed genes shared between female and male tissue contrast groups provided insight into sex-related differences. Several of the genes identified in the present study as significant sex-related genes have been previously found in avian gene expression analyses (e.g. NIPBL, UBAP2), and other genes found differentially expressed in this study and not previously associated with sex-related differences may be considered potential candidates for molecular sexing (e.g. TERA, MYP0, PPR17, CASQ2). Additionally, other genes likely associated with neuronal and brain development (e.g. CHKA, NYAP), as well as body development and size differentiation (e.g. ANKRD26, GRP87) in quail were identified. Expression of homeobox protein regulating genes in the sex-related contrast group revealed two genes (HXC4, ISL1) that may regulate sex-specific anatomical development. Results of these analyses expand the currently limited pool of knowledge on the genetic features of the quail breed and could allow for more effective molecular sexing as well as selective breeding for traits important in commercial production. This study employed Trinity and edgeR for transcriptome analysis of next-generation RNA-seq data, which included 4 tissues obtained from 3 different breeds of Japanese quail (wild, miniature, and jumbo).

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Blood transcripts from female Japanese quail given LPS injection or saline

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