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. 2020 May 27;11:569. doi: 10.3389/fpls.2020.00569

FIGURE 2.

FIGURE 2

Physical localization of different highly repetitive DNA sequences on root tip metaphase chromosomes of tetraploid Carrizo Citrange rootstock. The merged images of (a), (e), and (i) came from the hybridization sites in (b–d), (f–h), and (j,k), respectively. (b) Satellite repeat CL1 (green), (c) a centromere-like repeat CL17 (red), (d) satellite repeat CL3 (yellow), (f) satellite repeat CL2 (green), (g) 5S rDNA (red), (h) satellite repeat CL4 (yellow), (j) 45S rDNA (green), and (k) telomere repeat (red) were used as FISH probes. Signal color corresponds to probe name in (b–d,f–h,j,k). (l) DAPI-stained chromosomes were converted into a blue image. Bar = 2 μm.