International Mammalian Genome Society

The 14th International Mouse Genome Conference (2000)

C15. READ: Riken Expression Array Database

Hidemasa Bono1, Rika Miki1, Koji Kadota1, Yasushi Okazaki1 and Yoshihide Hayashizaki1,2
1Laboratory for Genome Exploration Research Group, RIKEN Genomic Sciences Center (GSC) and Genome Science Laboratory, RIKEN Tsukuba Institute, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan,
CREST, Japan Science and Technology Corporation (JST), 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan

Although the emerging technology of DNA microarray enables us to observe patterns of gene expression in the genomic scale, there are no well-established schemes of analyzing their dispersed patterns. Toward the functional annotation of anonymous sequences using gene expression data from microarray, the effective computational methods for analyzing these data must be explored.

To deal with this hurdle, we have been developing a web-based system called READ (Riken Expression Array Database) for analyzing our microarray data from the RIKEN mouse 19k set. Currently, the READ includes all information from microarray experiments (not only the information for the log ratio of gene expression intensity, but also the management information for slides and experiments) and the results of sequence analyses for all nucleotide sequences on the chips. The READ system can be queried by cloneid of RIKEN cDNA clones on the chip and by keywords in the database description. It can also be searched by the log ratio of gene expression intensity in all 49 tissues. These searches will be made available at:

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Last modified: Saturday, November 3, 2012