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Daphnia Genome project

Genome of Daphnia pulex and other species, including bulk data files, and all gene pages

Genomics Tools including microsatellites, cDNA, Cosmid and BAC libraries, GSS and ESTs, microarrays

Database Genome database development notes, tools and programs

Maps of Daphnia genome, and genome annotation tools

References to research literature

Help & Documents


About this genome web

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daphnia [AT]


Daphnia Water Flea
Genome Database

Compare Daphnia to Arthropods
Arthropod genomes phylogenetic tree

2010 poster
Daphnia genomes at the crossroads

2020 December: Daphnia_species_genomes 2020 update
2019 March: moved to jetstream indiana and google iowa farms
2017 July: Daphnia pulex, Daphnia similoides, D. galeata and D. magna gene sets from EvidentialGene methods.
2015 March: Daphnia magna Gene-ome early release
2010 April: Daphnia pulex Genes 2010.
2007 July: Daphnia pulex Genome public release 1 and genome summaries.

This web service provides gene and genomic information for species of the genus Daphnia - commonly known as the water flea.

The freshwater crustacean Daphnia is a model system for ecology, evolution and the environmental sciences. The rapidly growing genomic data for this organism is stimulating interdisciplinary research to understand the complex interplay between genome structure, gene expression, individual fitness, and population-level responses to chemical contaminants and environmental change.

wFleaBase includes data from all species of the genus, yet the primary species are D. pulex and D. magna, because of the broad set of genomic tools that have already been developed for these animals.

A complete sequence for Daphnia pulex is now available at this site. Please observe this Data release policy. The data is a first characterization of the crustacean genome, which was made possible by the U.S. Department of Energy (DOE) Joint Genome Institute (JGI) in collaboration with the Daphnia Genomics Consortium (DGC) whose members were funded by the National Science Foundation.

Developed at the Genome Informatics Lab
of Indiana University Biology Department

We gratefully acknowledge support from National Science Foundation, National Institutes of Health,
The IU Genome Informatics Lab, and Center for Genomics and Bioinformatics at Indiana University. See also the Warranty, Disclaimer & Copyright Notice.