tokens: We also show that ectopic expression of PU . 1 in Xenopus embryos is sufficient to block erythropoiesis during normal development .
folded_tokens: we also show that ectopic expression of pu . 1 in xenopus embryos is sufficient to block erythropoiesis during normal development .
labels: O O O O B-other_name I-other_name O B-protein_molecule I-protein_molecule I-protein_molecule O B-multi_cell I-multi_cell O O O O B-other_name O O O O