April 21, 2020  |  

Decoding and analysis of organelle genomes of Indian tea (Camellia assamica) for phylogenetic confirmation.

Authors: Rawal, Hukam C and Kumar, P Mohan and Bera, Biswajit and Singh, Nagendra Kumar and Mondal, Tapan Kumar

The NCBI database has >15 chloroplast (cp) genome sequences available for different Camellia species but none for C. assamica. There is no report of any mitochondrial (mt) genome in the Camellia genus or Theaceae family. With the strong believes that these organelle genomes can play a great tool for taxonomic and phylogenetic analysis, we successfully assembled and analyzed cp and mt genome of C. assamica. We assembled the complete mt genome of C. assamica in a single circular contig of 707,441?bp length comprising of a total of 66 annotated genes, including 35 protein-coding genes, 29 tRNAs and two rRNAs. The first ever cp genome of C. assamica resulted in a circular contig of 157,353?bp length with a typical quadripartite structure. Phylogenetic analysis based on these organelle genomes showed that C. assamica was closely related to C. sinensis and C. leptophylla. It also supports Caryophyllales as Superasterids. Copyright © 2019. Published by Elsevier Inc.

Journal: Genomics
DOI: 10.1016/j.ygeno.2019.04.018
Year: 2019

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