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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Li, Q. Qiu, M. H. Zhao, X. L. Zhu, Q. Gilbert, E. R. Wang, Y. Liu, Y. P. |
| Description | Country affiliation: China Author Affiliation: Li Q ( College of Animal Science and Technology, Sichuan Agriculture University, Ya'an, Sichuan Province, China.); Zhao XL ( College of Animal Science and Technology, Sichuan Agriculture University, Ya'an, Sichuan Province, China.); Gilbert ER ( Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.); Liu YP ( College of Animal Science and Technology, Sichuan Agriculture University, Ya'an, Sichuan Province, China.); Wang Y ( College of Animal Science and Technology, Sichuan Agriculture University, Ya'an, Sichuan Province, China.); Qiu MH ( College of Animal Science and Technology, Sichuan Agriculture University, Ya'an, Sichuan Province, China.); Zhu Q ( College of Animal Science and Technology, Sichuan Agriculture University, Ya'an, Sichuan Province, China zhuqing5959@163.com.) |
| Abstract | Free-range production system is increasingly being used in poultry breeding and feed production in many countries. The objective of the current experiment was to evaluate the effects of different raising systems on fat-related traits and mRNA levels of liver lipogenesis genes in Erlang Mountainous chicken. Each of 10 birds (91 day old) from caged, indoor-floor housed, and free-range housing systems was slaughtered, and fat-related traits, live body weight (BW), subcutaneous fat thickness (SFT), abdominal fat weight (AFW), abdominal fat percentage (AFP), and intramuscular fat content were determined. The mRNA levels of liver X receptor , carbohydrate response element-binding protein (ChREBP), sterol regulatory element-binding protein-1 (SREBP1), and fatty acid synthase were detected. The caged chicken exhibited significantly higher BW, SFT, and AFW than those of free-ranged chicken (P < 0.05). All the 4 genes had a similar expression pattern, and they showed the highest level in caged chicken, while the lowest level was found in free-ranged chicken. Association analysis indicated that there were significant (P < 0.05) or highly significant (P < 0.01) positive correlations between the mRNA levels of ChREBP, SREBP1, and fat traits of SFT, AFW, and AFP. Thus, we deduced that increased fat deposition in caged chicken was probably induced by increased gene expression of ChREBP and SREBP1 in the liver. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 1 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-02-06 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Abdominal Fat Metabolism Avian Proteins Basic Helix-loop-helix Leucine Zipper Transcription Factors Genetics Housing, Animal Sterol Regulatory Element Binding Protein 1 Subcutaneous Fat Animals Body Weight Fatty Acid Synthases Gene Expression Profiling Gene Expression Regulation Liver Real-time Polymerase Chain Reaction Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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