NDLI: A 5′- Regulatory Region and Two Coding Region Polymorphisms Modulate Promoter Activity and Gene Expression of the Growth Suppressor Gene ZBED6 in Cattle

Content Provider	PubMed Central
Author	Huang, Yong-zhen Li, Ming-xun Wang, Jing Zhan, Zhao-yang Sun, Yu-jia Sun, Jia-jie Li, Cong-jun Lan, Xian-yong Lei, Chu-zhao Zhang, Chun-lei Chen, Hong
Editor	Barendse, William
Copyright Year	2013
Abstract	Zinc finger, BED-type containing 6 (ZBED6) is an important transcription factor in placental mammals, affecting development, cell proliferation and growth. Polymorphisms in its promoter and coding regions are likely to impact ZBED6 transcription and growth traits. In this study, rapid amplification of 5’ cDNA ends (5'-RACE) analysis revealed two transcription start sites (TSS) for the bovine ZBED6 starting within exon 1 of the ZC3H11A gene (TSS-1) and upstream of the translation start codon of the ZBED6 gene (TSS-2). There was one SNP in the promoter and two missense mutations in the coding region of the bovine ZBED6 by sequencing of the pooled DNA samples (Pool-Seq, n = 100). The promoter and coding region are the key regions for gene function; polymorphisms in these regions can alter gene expression. Quantitative real-time PCR (qPCR) analysis showed that ZBED6 has a broad tissue distribution in cattle and is highly expressed in skeletal muscle. Eleven promoter-detection vectors were constructed, which enabled the cloning of putative promoter sequences and analysis of ZBED6 transcriptional activity by luciferase reporter gene assays. The core region of the basal promoter of bovine ZBED6 is located within region -866 to -556. The activity of WT-826G-pGL3 in driving reporter gene transcription is significantly higher than that of the M-826A-pGL3 construct (P < 0.01). Analysis of gene expression patterns in homozygous full-sibling Chinese Qinchuan cattle showed that the mutant-type Hap-AGG exhibited a lower mRNA level than the wild-type Hap-GCA (P < 0.05) in longissimus dorsi muscle (LDM). Moreover, ZBED6 mRNA expression was low in C2C12 cells overexpressing the mutant-type ZBED6 (pcDNA3.1+-Hap-GG) (P < 0.01). Our results suggest that the polymorphisms in the promoter and coding regions may modulate the promoter activity and gene expression of bovine ZBED6 in the skeletal muscles of these cattle breeds.
Related Links	http://dx.doi.org/10.1371/journal.pone.0079744
Starting Page	79744
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	11
Volume Number	8
Language	English
Publisher	Public Library of Science
Publisher Date	2013-11-01
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Biochemistry, Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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