Evidence map›Paper›PMID 25049701›Full record

ArticleAsian-Australasian journal of animal sciences2013

Gene Co-expression Analysis to Characterize Genes Related to Marbling Trait in Hanwoo (Korean) Cattle.

Dajeong Lim, Seung-Hwan Lee, Nam-Kuk Kim, Yong-Min Cho, Han-Ha Chai, Hwan-Hoo Seong, Heebal Kim

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Article in Asian-Australasian journal of animal sciences, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

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19citing papers in PubMed
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19 citing papers in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Dajeong LimNational Institute of Animal Science, RDA, Suwon, Korea ; Department of Food and Animal Biotechnology, Seoul National University, Seoul, Korea.
Seung-Hwan LeeNational Institute of Animal Science, RDA, Suwon, Korea.
Nam-Kuk KimNational Agricultural products Quality management Service(NAQS), Seoul, Korea.
Yong-Min ChoNational Institute of Animal Science, RDA, Suwon, Korea.
Han-Ha ChaiNational Institute of Animal Science, RDA, Suwon, Korea.
Hwan-Hoo SeongNational Institute of Animal Science, RDA, Suwon, Korea.
Heebal KimDepartment of Food and Animal Biotechnology, Seoul National University, Seoul, Korea.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Marbling (intramuscular fat) is an important trait that affects meat quality and is a casual factor determining the price of beef in the Korean beef market. It is a complex trait and has many biological pathways related to muscle and fat. There is a need to identify functional modules or genes related to marbling traits and investigate their relationships through a weighted gene co-expression network analysis based on the system level. Therefore, we investigated the co-expression relationships of genes related to the 'marbling score' trait and systemically analyzed the network topology in Hanwoo (Korean cattle). As a result, we determined 3 modules (gene groups) that showed statistically significant results for marbling score. In particular, one module (denoted as red) has a statistically significant result for marbling score (p = 0.008) and intramuscular fat (p = 0.02) and water capacity (p = 0.006). From functional enrichment and relationship analysis of the red module, the pathway hub genes (IL6, CHRNE, RB1, INHBA and NPPA) have a direct interaction relationship and share the biological functions related to fat or muscle, such as adipogenesis or muscle growth. This is the first gene network study with m.logissimus in Hanwoo to observe co-expression patterns in divergent marbling phenotypes. It may provide insights into the functional mechanisms of the marbling trait.

Indexed as

Gene Co-expression NetworkHanwooMarbling

Identifiers

PMID25049701
PMCPMC4093059

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