RT PCR analysis of hematopoietic cells from the TG(zpu.1:EGFP)^df5 adult kidney. GFP-sorted cells from the myeloid and lymphoid light-scatter compartments were analyzed for lineage-specific expression of the zebrafish lck, IgLC, rag2, pu.1, mpo, gata1, α-hemaglobin, and β-actin genes.