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Fig. 2. A skn-1-dependent transcriptional cascade. (A) Published
expression patterns and regulatory relationships for four transcription
factors and a differentiation gene involved in endoderm development. (B)
Temporal expression patterns in wild type, pie-1(zu154) and
mex-3(zu155); skn-1(RNAi) measured by
microarray. med-1 and med-2 cannot be distinguished on the
microarray.