Project description:Camellia sinensis var. sinensis cultivar Tieguanyin (TGY) is an important Oolong tea variety in China. In this study, we reported a complete chloroplast (cp) genome based on the Illumina sequencing technology and combined de novo and reference-guided assembly strategies. The complete cp genome of 'TGY' displayed the regular quadripartite structure: a total of 157,126 bp in length, comprising a large single-copy (LSC, 86,904 bp) region, a small single-copy (SSC, 18,532 bp) region, and a pair of inverted repeats (IRs, 26,095 bp) regions. A lot of 132 predicted genes, including 87 protein-coding genes, 37 tRNA genes, and eight rRNA genes. The overall GC content is 37.3%. Maximum likelihood (ML) phylogenetic tree involving 18 cp genomes of the Camellia genus revealed a relatively independent event of local domestication among three types of cultivars. The complete cp genome of 'TGY' provides an insight into tea plants for further understanding evolutionary research on tea plants.
Project description:The complete chloroplast (cp) genome sequence of Camellia sinensis var. sinensis cultivar 'FuDingDaBaiCha' (FD), one of the key contributors to the history of tea breeding in China, was determined in this study. The cp genome of FD is 157,025 bp in length, including a large single-copy (LSC, 86,586 bp), a small single-copy (SSC, 18,277 bp), and a pair of inverted repeats (IRa and IRb, 26,081 bp). The overall GC content is 37.3%. A total of 137 genes were predicted, including 92 protein-coding genes, 37 tRNA genes, and eight rRNA genes. Phylogenetic analysis showed that FD was closely related to C. sinensis cv. 'AnHua', C. sinensis cv. 'QianCha 1', and C. sinensis cv. 'BanTianYao'. The determination of the complete cp genome sequence of FD provides a way for the subsequent study of the genetic background and phylogenetic relationships of different tea plant cultivars.