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. 2006 Apr 20;4(6):e170. doi: 10.1371/journal.pbio.0040170

Figure 2. ChIP on Chip Mapping of the PH Protein Using MY Microarrays.

Figure 2

(A) Schematic representation of the four Drosophila chromosomes, with the Montpellier tiling path assembly shown in red, and the Yale tiling path regions shown in light blue.

(B) The distribution of the PH protein along the tiling path of the X chromosome in Drosophila embryos. Numbers 1 to 4 indicate the regions for which FISH probes used in Figure 3 were designed. The ph locus is a known PcG target that served as a positive control. The other arrows point to the major binding sites. Below the graphs, a scheme of the corresponding chromosomal region is shown; with the cytological location of known PH bands in polytene chromosomes indicated as red ovals.

(C) The distribution of the PH protein along the Adh region of Chromosome 2L in Drosophila embryos. Symbols are as in (B).