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ABSTRACT:
PROVIDER: PRJNA718234 | ENA |
REPOSITORIES: ENA
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Project description:Iberian ham production includes both purebred (IB) and Duroc-crossbred (IBxDU) Iberian pigs, which show important differences in meat quality and production traits, such as muscle growth and fatness. This experiment was conducted to investigate gene expression differences that could be associated with the observed phenotypic differences between IB and IBxDU pigs. Nine IB and 10 IBxDU pigs were slaughtered at birth, and seven IB and 10 IBxDU at four months of age (growing period). Muscle transcriptome was analyzed on LD samples with RNA-Seq technology. We detected 261 differentially expressed genes between IB and IBxDU neonates and 113 at growth (p < 0.01 and Fold-Change > 1. 5). Newborns transcriptome reflected a highly proliferative developmental stage, while older pigs showed upregulation of catabolic and muscle functioning processes. Regarding the genetic type effect, IBxDU newborns showed enrichment of gene pathways involved in muscle growth, in agreement with the higher prenatal growth observed in these pigs. However, IB growing pigs showed enrichment of pathways involved in protein deposition and cellular growth, supporting the catch-up growth experienced by IB pigs during this period. Moreover, newborn and growing IB pigs showed more active glucose and lipid metabolism than IBxDU pigs.
2017-02-09 | GSE86441 | GEO
Project description:Purpose: Identification of genes regulating growth and fatness traits in pig. Methods: Hypothalamic transcriptome analysis through RNA-seq and differential expression analysis of divergent pigs for growth and fatness traits. Results: Characterization of the transcripts expressed in the porcine hypothalamus and identification of differentially expressed genes, some of them located within previously described QTL regions. Conclusions: Characterization of porcine hypothalamic transcriptome and identification of relevant genes and transcription factors related to the traits of interest. Transcriptome sequencing of 10 hypothamic samples of two groups of divergent pigs for growth and fatness (five per group).
2013-11-01 | E-GEOD-51968 | biostudies-arrayexpress
Project description:Gene expression in the hypothalamus and pre frontal cortex in pigs performing and receiving tail biting behaviour was compared with expression in pigs not performing or receiving tail biting
2013-11-12 | E-MEXP-3630 | biostudies-arrayexpress