WDDD - Worm Developmental Dynamics Database

Worm Developmental Dynamics Database (WDDD) stores a collection of quantitative information about cell division dynamics in early Caenorhabditis elegans embryos with single genes silenced by RNA-mediated interference (RNAi). The information was obtained by combining four-dimensional (4D) microscopy and image processing (1,2), and contains the three-dimensional coordinate values of the outlines of nuclear regions and the dynamics of the outlines over time. The database provides free access to 50 sets of quantitative data for wild-type embryos and 136 sets of quantitative data for RNAi embryos corresponding to 72 of the 97 essential embryonic genes on chromosome III. The remaining 15 genes exhibited phenotypes that precluded obtaining the quantitative data, such as sterile phenotype. The database also provides sets of 4D differential interference contrast microscopy images on which the quantitative data was based. The database will provide a novel opportunity for the development of computational methods to obtain fresh insights into the mechanisms of development. The quantitative information and microscopy images can be synchronously viewed through a web browser, which is designed for easy access by experimental biologists. All the information is available online at the WDDD (http://so.qbic.riken.jp/wddd/).

Webpage:
http://so.qbic.riken.jp/wddd/

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genomics invertebrate genome

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