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XB-ART-51991
Dev Biol. June 15, 2017; 426 (2): 188-193.

Generation of a Xenopus laevis F1 albino J strain by genome editing and oocyte host-transfer.

Ratzan W , Falco R , Salanga C , Salanga M , Horb ME .


Abstract
Completion of the Xenopus laevis genome sequence from inbred J strain animals has facilitated the generation of germline mutant X. laevis using targeted genome editing. In the last few years, numerous reports have demonstrated that TALENs are able to induce mutations in F0 Xenopus embryos, but none has demonstrated germline transmission of such mutations in X. laevis. In this report we used the oocyte host-transfer method to generate mutations in both tyrosinase homeologs and found highly-penetrant germline mutations; in contrast, embryonic injections yielded few germline mutations. We also compared the distribution of mutations in several F0 somatic tissues and germ cells and found that the majority of mutations in each tissue were different. These results establish that X. laevis J strain animals are very useful for generating germline mutations and that the oocyte host-transfer method is an efficient technique for generating mutations in both homeologs.

PubMed ID: 26993591
PMC ID: PMC5025372
Article link: Dev Biol.
Grant support: P40 OD010997 NIH HHS , R01 HD084409 NICHD NIH HHS , P40 OD010997 NIH HHS , R01 HD084409 NICHD NIH HHS , P40 OD010997 NIH HHS , R01 HD084409 NICHD NIH HHS



References:
Blitz, 2013, Pubmed, Xenbase[+]


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