Gene IndexA gene index is a collection of data about genes wherein all of the information that is related to a particular gene is organized into a single gene class.
In a gene index, each gene class is quite distinct from the other gene classes. The data that is needed to make the gene index is taken from the high sequence coverage that results from the completed draft sequence of the human genome along with the ongoing efforts to sequence the transcribed portions of the human genome. This is more popularly known as the transcriptome.
Even with the large amount of information that is given by the gene index, however, there is still a disagreement on exactly what the number of genes are in the human genome. This disagreement with the gene numbers that are derived from the human genome have arisen because of the disparate methods used in analyzing the transcriptome, most specifically the analysis of expressed sequence tags. The expressed sequence tags or ESTs stand for the partial cDNA sequences that have already been sequenced once. These have given the most thorough look into the transcriptome.
Web Resources On Gene Index
The Gene Index Project
Gene index analysis of the human genome estimates approximately 120,000 genes.
Book Resources On Gene IndexStatistical Analysis of Gene Expression Microarray Data by Terry Speed
Gene Expression Profiling: Methods and Protocols by Richard A. Shimkets
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