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Comparative Study
. 2004 Jan 21:325:165-9.
doi: 10.1016/j.gene.2003.10.009.

Base composition and expression level of human genes

Stilianos Arhondakis  1 , Fabio Auletta, Giuseppe Torelli, Giuseppe D'Onofrio
Affiliations
Comparative Study

Base composition and expression level of human genes

Stilianos Arhondakis et al. Gene. .

Erratum in

  • Gene. 2004 Dec 8;343(1):229

Abstract

It is well known that the gene distribution is non-uniform in the human genome, reaching the highest concentration in the GC-rich isochores. Also the amino acid frequencies, and the hydrophobicity, of the corresponding encoded proteins are affected by the high GC level of the genes localized in the GC-rich isochores. It was hypothesized that the gene expression level as well is higher in GC-rich compared to GC-poor isochores [Mol. Biol. Evol. 10 (1993) 186]. Several features of human genes and proteins, namely expression level, coding and non-coding lengths, and hydrophobicity were investigated in the present paper. The results support the hypothesis reported above, since all the parameters so far studied converge to the same conclusion, that the average expression level of the GC-rich genes is significantly higher than that of the GC-poor genes.

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