The New Completed Genome of Purple Willow (Salix purpurea) and Conserved Chloroplast Genome Structure of Salicaceae

Zhiqiang Wu

Colorado State University, Department of Biology, Fort Collins, CO, USA


To compare the whole chloroplast genomes from Salicaceae, the fully assembled chloroplast genome purple willow (Salix purpurea) was assembled in this study based on the next generation sequencing data. The total genome size of Salix purpurea was 155,590 bp in length, comprising a pair of inverted repeats (IRs) of 27,459 bp, which were divided by large single copy (LSC) and small single copy (SSC) of 84,452 bp and 16,220 bp, respectively. For seven species of Salicaceae, the same sets of gene content and number are found. 110 genes were annotated, including 76 protein coding genes, 30 tRNA genes and 4 rRNA genes. Among these, 18 are duplicated in the inverted repeat regions, 14 genes contained 1 intron, and 3 genes (rps12, clpP and ycf3) comprised of 2 introns. Journal of Nature and Science, 1(3):e49, 2015.

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