DATABASE: Getting to the Root of Gene Expression

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Science  16 Jan 2004:
Vol. 303, Issue 5656, pp. 291
DOI: 10.1126/science.303.5656.291e

Researchers studying genes at work in the mustard plant Arabidopsis should check out AREX, a new gene-expression database sponsored by Philip Benfey's lab at Duke University in Durham, North Carolina. AREX holds activity measurements from the lab's own experiments (Science, 12 December 2003, p. 1956) and from the literature, combining data from microarrays and other techniques. (Here, a glowing protein marks active genes in the root.) Users can glean information on a particular gene's activity in various cell or tissue types and at different developmental stages. The database will eventually include values for the aboveground parts of the plant as well as the root.

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