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Primordial germ cells of Xenopus laevis are not irreversibly determined early in development

机译:非洲爪蟾原始生殖细胞并非不可逆地在发育早期确定

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InanuranamphibianssuchasRanapipiensandXenopuslaevis,thegermlineageiswidelythoughttobedeterminedattheearliststagesindevelopment,inresponsetoaprelocalisedcytoplasmicdeterminant(thegermplasm)presentinthevegetalpoleoftheegg.However,thedeterminedstateofgermplasm-bearingcellshasnotbeentestedinanurans.Inthiswork,wehavelabelledgermplasm-bearingcellsfromtwostagesofdevelopmentwithacell-autonomousfluorescentlabel,andinsertedthemintounlabelledhostembryos.Inbothcasesthedonorcellswerepluripotent,anddifferentiatedintoavarietyofcelltypes.Thisresultmayhelpresolvetheparadoxicaldataongermplasmandgermcelldeterminationfromdifferentanimalgroups.
机译:InanuranamphibianssuchasRanapipiensandXenopuslaevis,thegermlineageiswidelythoughttobedeterminedattheearliststagesindevelopment,inresponsetoaprelocalisedcytoplasmicdeterminant(thegermplasm)presentinthevegetalpoleoftheegg.However,thedeterminedstateofgermplasm-bearingcellshasnotbeentestedinanurans.Inthiswork,wehavelabelledgermplasm-bearingcellsfromtwostagesofdevelopmentwithacell-autonomousfluorescentlabel,andinsertedthemintounlabelledhostembryos.Inbothcasesthedonorcellswerepluripotent,anddifferentiatedintoavarietyofcelltypes.Thisresultmayhelpresolvetheparadoxicaldataongermplasmandgermcelldeterminationfromdifferentanimalgroups。

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