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| Titel: |
First Exons and Introns - A Survey of GC Content and Gene Structure in the Human Genome |
| Auteur: |
Kalari, Krishna R. Casavant, Melanie Bair, Thomas B. Keen, Henry L. Comeron, Josep M. Casavant, Thomas L. Scheetz, Todd E. |
| Verschenen in: |
In silico biology |
| Paginering: | Jaargang 6 (2006) nr. 3 pagina's 237-242 |
| Jaar: |
2006-08-23 |
| Inhoud: |
Most transcriptional regulatory elements are located in non-coding DNA. In particular, some first introns play a vital role in transcriptional control and splicing. The length and GC-content of first exons and introns in complex organisms suggests that these structural units are likely to be important functional elements in large genomes. Hence, in this paper we perform a systematic comparison of exon-intron structure and GC content on all known genes in the human genome. Our in-silico analysis found that the GC content of introns and exons varies significantly depending on their length. On average, the first intron of a gene is significantly longer than other introns in the same gene. Our results also show that first introns and exons are more GC rich than last and internal. This study provides insight into the structure of eukaryotic genes. These results confirm and expand the previously identified regulatory potential of first exons and introns. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 10 gevonden artikelen
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