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Figure 4 | BMC Genomics

Figure 4

From: The mitochondrial and chloroplast genomes of the haptophyte Chrysochromulina tobin contain unique repeat structures and gene profiles

Figure 4

Ribosomal operon repeats of C. tobin and other haptophyte chloroplast genomes. The “standard” chloroplast ribosomal operon contains tRNA-Ile and tRNA-Ala in the ribosomal intergenic spacer regions (ISR). Chrysochromulina tobin contains tRNA-Ala in operon A and tRNA-Ile in operon B. Multiple SNPs (black triangles) are present between the C. tobin large and small ribosomal subunits coding regions to each other. One copy of the ribosomal operon contains both tRNAs while the other operon lacks both tRNAs in P. antarctica and P. globosa plastid genomes. A metagenomic sample, uncultured prymnesiophyte C19847 [28], contains a single tRNA-Ala; the second ribosomal copy was not assembled and is therefore unknown in structure.

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