Regulation of swine growth by backfat tissue during growing and finishing stagesopen access
- Authors
- Seo, Young-Jun; Lim, Byeonghwi; Kim, Do-Young; Lim, Kyu-Sang; Kim, Jun-Mo
- Issue Date
- Dec-2021
- Publisher
- MDPI
- Keywords
- Backfat; KNP; Pig; RNA‐seq; Transcriptome
- Citation
- Animals, v.11, no.12
- Journal Title
- Animals
- Volume
- 11
- Number
- 12
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/52567
- DOI
- 10.3390/ani11123511
- ISSN
- 2076-2615
2076-2615
- Abstract
- Recently, interest in the function of pig backfat (BF) has increased in the field of livestock animals, and many transcriptome‐based studies using commercial pig breeds have been conducted. However, there is a lack of comprehensive studies regarding the biological mechanisms of Korean native pigs (KNPs) and Yorkshire pig crossbreeds. In this study, therefore, BF samples of F1 crossbreeds of KNPs and Yorkshire pigs were investigated to identify differentially expressed genes (DEGs) and their related terms using RNA‐sequencing analysis. DEG analysis identified 611 DEGs, of which 182 were up‐regulated and 429 were down‐regulated. Lipid metabolism was identified in the up‐regulated genes, whereas growth and maturation‐related terminologies were identified in the down‐regulated genes. LEP and ACTC1 were identified as highly connected core genes during functional gene network analysis. Fat tissue was observed to affect lipid metabolism and organ development due to hormonal changes driven by transcriptional alteration. This study provides a comprehensive understanding of BF contribution to crossbreeds of KNPs and Yorkshire pigs during growth periods. © 2021 by the authors. Li-censee MDPI, Basel, Switzerland.
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