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Opinion

The mammalian transcriptome and the function of non-coding DNA sequences

Svetlana A Shabalina1 email and Nikolay A Spiridonov2

1National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA

2Division of Therapeutic Proteins, Center for Drug Evaluation and Research, US Food and Drug Administration, Bethesda MD 20892, USA

author email corresponding author email

Genome Biology 2004, 5:105

Published: 25 March 2004

Subject areas: Genome studies, Molecular biology, Genetics, Model organisms

Abstract

For decades, researchers have focused most of their attention on protein-coding genes and proteins. With the completion of the human and mouse genomes and the accumulation of data on the mammalian transcriptome, the focus now shifts to non-coding DNA sequences, RNA-coding genes and their transcripts. Many non-coding transcribed sequences are proving to have important regulatory roles, but the functions of the majority remain mysterious.


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