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Fig. 1. Identification of the Xenopus Foxi-class gene Xema
(GenBank accession number DQ026065). (A) Activin inhibits A07 (Xema)
expression. RT-PCR analysis of animal cap explants dissected at late blastula
stages and cultured until midgastrula stages. Activin (0.5 ng/ml) was added to
stage 9 animal caps, as listed. (B) Putative Xema amino acid
sequence. The forkhead box (Fox) DNA-binding domain is indicated.
