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  • Welcome to Xenbase

    Check out the new Xenopus antibody database and improved genome browser.


    Please send us comments and feedback.



  • New Xenopus Genome Assemblies

    The Xenopus Genome Consortium has released the newest laevis v7.1 and tropicalis v8.0 assemblies.


  • 2014 Xenopus White Paper

    Representatives of the research community have released the 2014 Xenopus White Paper summarizing strategic resource development.

    Download 2014 Xenopus White Paper



  • Richard Harland Awarded 2014 Conklin Medal

    Dr. Harland discovered that BMP antagonists are fundamental for the patterning of early germ layers. His research also expands our knowledge of neural induction and patterning, FGF signaling, planar cell polarity, and the developmental control of RNA splicing.


  • Christopher Wylie and Janet Heasman Honored with SDB Lifetime Achievement Award

    Wylie and Heasman are being honored for their outstanding and sustained research and mentoring contributions to the field of developmental biology.


  • 15th International Xenopus Meeting

    Save the date!

    The biennial gathering of Xenopus biomedical researchers:

    August 24th - 28th, 2014 in Asilomar, CA

    Abstract submissions are now being accepted until Jun 10.

    Conference registration is now open until July 24.

    Click here to go to the meeting website.


  • SDB 73rd Annual Meeting

    Dr. Richard Harland will be honored with the The Society for Developmental Biology’s E.G. Conklin Medal.


    Dr. Janet Heasman and Dr. Christopher Wylie will recognized for their lifetime achievements in developmental biology.


    For meeting information please visit:


  • 3rd Annual Xenopus Bioinformatics Workshop

    Registration now open. The workshop will be held May 11-18 at the MBL in Woods Hole, MA.


  • PCP and Septins Compartmentalize Cortical Actomyosin to Direct Collective Cell Movement

    Shindo & Wallingford, published in the journal, Science that planar cell polarity (PCP) proteins control convergent extension by exploiting an evolutionarily ancient function of the septin cytoskeleton.


    (shown: phospho-myosin light chain in embryonic notochord cell membranes)


  • CRISPr/Cas9-mediated targeted mutagenesis in Xenopus

    In back-to-back articles published in genesis, Blitz et al. and Nakayama et al. each report CRISPr/Cas targeted transgenesis works well in Xenopus tropicalis.


    For additional information on genome editing techonologies, click here.


    (shown: targeted silencing of six6 and tyrosinase genes)


  • Welcome to Xenbase

    Check out the new Xenopus antibody database and improved genome browser.


    Please send us comments and feedback.




BLAST X. tropicalis and X. laevis nucleotide and protein sequences. BLAST Xenopus ESTs and Unigene sets.

BLAST Xenopus

BLAST X. laevis 7.1 genome

BLAST X. tropicalis 7.1 genome

genome_browserGenome Browsers

Browse the genome using the Xenbase genome browsers.

Other Genome Browsers:

gene_expressionGene Expression

Search gene expression patterns by anatomy and developmental stage.


Search our gene catalog and gene expression images.

View the latest Gene nomenclature guidelines.

anatomy_and_developmentAnatomy & Development

View anatomy and developmental stage information and resources.

reagents_and_protocolsReagents & Protocols

Browse Xenopus reagents, ABs, MOs, protocols, and suppliers.


Search for research papers and books about Xenopus.

Run advanced queries on Xenopus papers with Textpresso.


Browse community meetings, resources, information, and people.

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Major funding for Xenbase is provided by the National Institute of Child Health and Human Development, grant P41 HD064556