Abstract
Chloroplast genomes have eight-cluster structuredness, in triplet frequency space. Small fragments of a genome converted into a triplet frequency dictionaries are the elements to be clustered. Typical structure consists of eight clusters: six of them correspond to three different positions of a reading frame shifted for 0, 1 and 2 nucleotides (in two opposing strands), the seventh cluster corresponds to a junk regions of a genome, and the eighth cluster is comprised by the fragments with excessive \(\mathsf {GC}\)-content bearing specific RNA genes. The structure exhibits a specific symmetry.
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This study was supported by a research grant #Â 14.Y26.31.0004 from the Government of the Russian Federation.
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Sadovsky, M., Senashova, M., Malyshev, A. (2018). Chloroplast Genomes Exhibit Eight-Cluster Structuredness and Mirror Symmetry. In: Rojas, I., Ortuño, F. (eds) Bioinformatics and Biomedical Engineering. IWBBIO 2018. Lecture Notes in Computer Science(), vol 10813. Springer, Cham. https://doi.org/10.1007/978-3-319-78723-7_16
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