The Chloroplast Genome of Lilium henrici: Genome Structure and Comparative Analysis
2018
Hai-Ying Liu | Yan Yu | Yi-Qi Deng | Juan Li | Zi-Xuan Huang | Song-Dong Zhou
Lilium henrici Franchet, which belongs to the family Liliaceae, is an endangered plant native to China. The wild populations of L. henrici have been largely reduced by habitat degradation or loss. In our study, we determined the whole chloroplast genome sequence for L. henrici and compared its structure with other Lilium (including Nomocharis) species. The chloroplast genome of L. henrici is a circular structure and 152,784 bp in length. The large single copy and small single copy is 82,429 bp and 17,533 bp in size, respectively, and the inverted repeats are 26,411 bp in size. The L. henrici chloroplast genome contains 116 different genes, including 78 protein coding genes, 30 tRNA genes, 4 rRNA genes, and 4 pseudogenes. There were 51 SSRs detected in the L. henrici chloroplast genome sequence. Genic comparison among L. henrici with other Lilium (including Nomocharis) chloroplast genomes shows that the sequence lengths and gene contents show little variation, the only differences being in three pseudogenes. Phylogenetic analysis revealed that N. pardanthina was a sister species to L. henrici. Overall, this study, providing L. henrici genomic resources and the comparative analysis of Lilium chloroplast genomes, will be beneficial for the evolutionary study and phylogenetic reconstruction of the genus Lilium, molecular barcoding in population genetics.
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