Figure 3.
E-PCA applied to chr21 TAD imaging data reveals modes of chromosome fluctuation across individual IMR90 cells. The displacement matrix view of PC1, PC2, PC3 of E-PCA are shown in (A–C). PC1 from MI-PCA on the same system is shown as a bar-graph at left and TAD elements are colored according to general domains detected by E-PCA. The corresponding 3D representations are shown in (D–F), where the values of displacement matrix elements are used to color cylinders that connect TADs
and
. Less significant relationships (cutoff is
) are not shown. The reference 3D path of the 34 TADs (the configuration detected for a chosen cell, cell #1) is shown in (G) along with a reference for the genomic position of each TAD probe. Explanation was made in SI for the selection of cell #1 as the reference.