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Genome Res. 2002 Aug;12(8):1210-20.

Parallel identification of new genes in Saccharomyces cerevisiae.

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  • 1Genomics Institute of the Novartis Research Foundation, San Diego, California 92121, USA.


Short open reading frames (ORFs) occur frequently in primary genome sequence. Distinguishing bona fide small genes from the tens of thousands of short ORFs is one of the most challenging aspects of genome annotation. Direct experimental evidence is often required. Here we use a combination of expression profiling and mass spectrometry to verify the independent transcription of 138 and the translation of 50 previously nonannotated genes in the Saccharomyces cerevisiae genome. Through combined evidence, we propose the addition of 62 new genes to the genome and provide experimental support for the inclusion of 10 previously identified genes.

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