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Trends Biotechnol. 2003 Feb;21(2):55-7; discussion 57-8.

The new role of SAGE in gene discovery.

Author information

1
Laboratory of Cardiovascular Science, National Institute on Aging, National Institutes of Health, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA. bohelerk@grc.nia.nih.gov

Abstract

The sequencing of the human genome has led to in silico predictions of far fewer genes than anticipated. Recent studies using serial analysis of gene expression have cast doubt on this finding. One study predicts the presence of many unidentified low abundance transcripts, whereas two others have mapped unique tags to previously unpredicted exons. Genome and transcriptome complexity is thus greater than predicted and many of the missing genes are probably expressed in low copy numbers or only in early embryonic tissues.

PMID:
12573851
[Indexed for MEDLINE]

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