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Porcine EEF1A1 and EEF1A2 genes: genomic structure, polymorphism, mapping and expression
K. Svobodová, P. Horák, A. Stratil, H. Bartenschlager, M. Van Poucke, P. Chalupová, V. Dvořáková, C. Knorr, R. Stupka, J. Čítek, M. Šprysl, A. Palánová, LJ. Peelman, H. Geldermann, A. Knoll,
Language English Country Netherlands
Document type Journal Article, Research Support, Non-U.S. Gov't
NLK
ProQuest Central
from 1997-01-01 to 2017-12-31
Medline Complete (EBSCOhost)
from 2011-01-01 to 1 year ago
Health & Medicine (ProQuest)
from 1997-01-01 to 2017-12-31
- MeSH
- Peptide Elongation Factor 1 genetics MeSH
- Peptide Elongation Factor 2 genetics MeSH
- Gene Expression MeSH
- Genomics MeSH
- Molecular Sequence Data MeSH
- Organ Specificity MeSH
- Polymorphism, Genetic * MeSH
- Base Sequence MeSH
- Sequence Analysis, DNA MeSH
- Gene Expression Profiling MeSH
- Sus scrofa genetics metabolism MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Eukaryotic translation elongation factor 1 alpha (EEF1A) plays a key role in protein synthesis. In higher vertebrates EEF1A occurs in two isoforms, EEF1A1 and EEF1A2, encoded by distinct genes. The purpose of this study was to compare the two porcine genes as for the genomic sequence, gene organization and mRNA expression in different tissues, as well as to search for polymorphism and chromosomal assignment. Standard methods of DNA and mRNA analysis were used. We determined the complete genomic sequence of the porcine EEF1A1 and EEF1A2 genes. The two genes differ in the lengths of transcription units (3102 and 8588 bp, respectively), but have similar genomic organization and their coding sequences are highly similar (78% identity of coding sequences and 92.4% identity of amino acid sequences). Several polymorphisms in the two genes were detected. EEF1A1 and EEF1A2 were mapped to SSC1p11.1 and SSC17q23.3, respectively. mRNA of EEF1A1 was expressed in all studied tissues (the highest expression was in 44-day fetal muscle and low expression in adult liver and brain), while EEF1A2 was expressed only in skeletal-muscle, tongue, heart, diaphragm and brain tissues. EEF1A2 was not expressed in fetal muscle tissue (44 days). In this paper results are provided on genomic sequences, genomic organization, polymorphism, chromosomal assignment and spatial and temporal expressions of the porcine EEF1A1 and EEF1A2 genes. Novel polymorphisms were described in both genes. Porcine EEF1A2 was studied for the first time.
References provided by Crossref.org
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