Click here to close Hello! We notice that you are using Internet Explorer, which is not supported by Xenbase and may cause the site to display incorrectly. We suggest using a current version of Chrome, FireFox, or Safari.
Xenopus gene nomenclature

Chromosome Nomenclature Guidelines

  • Overview
    1. Chromosomes are numbered from largest to smallest according to tropicalis. Xtr is prefixed to tropicalis chromosomes, and Xla to laevis
    2. tropicalis chromsomes are the reference for naming laevis chromsomes
    3. laevis chromosome 9 (9_10) is analagous to tropicalis chromsomes 9 and 10
    4. laevis homeologous chromosomes are distinguished by having long (L) or short (S) length: Xla1L

    1. Examples:
    2. tropicalis Chromosome: Xtr1
    3. laevis Chromosomes: Xla1L, Xla1S
  • Detailed information
    1. Matsuda et al 2015

(Click for Larger Image)

Please address all comments or questions to the nomenclature administrator at Xenbase, Joshua Fortriede.
Xenbase: The Xenopus laevis and X. tropicalis resource.
Version: 4.12.3

Major funding for Xenbase is provided by grant P41 HD064556