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The complete chloroplast genome sequence of Populus trinervis, and a comparative analysis with other Populus species
Xia Liu1, Chong Sun1, Zheng Chen2
1College of Landscape Architecture and Life Science, Chongqing University of Arts and Sciences, Chongqing, China.
Abstract:
Populus trinervis, which is a unique plant for China. The complete chloroplast genome sequence of Populus trinervis was characterized from Illumina pair-end sequencing. The chloroplast genome of P. trinervis was 156,415 bp in length, containing a large single-copy region (LSC) of 84,805 bp, a small single-copy region (SSC) of 16,505 bp, and two inverted repeat (IR) regions of 27,554 bp. The overall GC content is 36.70%, while the corresponding values of the LSC, SSC, and IR regions are 34.5, 30.5, and 42.0%, respectively. The genome contains 131 complete genes, including 86 protein-coding genes (62 protein-coding gene species), 37 tRNA genes (29 tRNA species), and 8 rRNA genes (4 rRNA species). The Neighbour-joining phylogenetic analysis showed that P. trinervis and P. hopeiensis clustered together as sisters to other Populus species.
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