Citing the NXR

Cite us in Materials and Methods as National Xenopus Resource RRID:SCR_013731 at the Marine Biological Laboratory and in the Acknowledgements you can just mention the National Xenopus Resource.

Cite us in your references: Horb M. et. al. (2019). Xenopus resources: transgenic, inbred and mutant animals, training opportunities, and web-based support. Front Physiol. 10:387. PMCID: PMC6497014

Cite which Xenopus line was used in Materials and Methods.
For example: "Both the +1/+ (Xtr.six1em1Horb, RRID:NXR_3089) and the -28/+ (Xtr.six1em2Horb, RRID:NXR_3145) six1 mutants are available from the NXR" (Coppenrath et al., 2021).