July 7, 2019  |  

Complete plastid genomes of the genus Ammopiptanthus and identification of a novel 23-kb rearrangement

Authors: Feng, Lei and Gu, Li-Fei and Luo, Juan and Fu, Ai-Si and Ding, Qiong and Yiu, Siu-Ming and He, Jun-Xian

Ammopiptanthus is an endangered angiosperm genus with evergreen and broad leaves, grown in the semi-desert regions of eastern Central Asia. We decoded the complete plastid genomes of Ammopiptanthus mongolicus (AM) and Ammopiptanthus nanus (AN), the only two species in the genus Ammopiptanthus. The total length of AM plastome is 153,935 bp, comprising a 83,889-bp long single-copy region (LSC), a 18,022-bp short single-copy region (SSC) and two inverted repeat (IR) regions of 26,012 bp. The total length of AN plastome is 154,140 bp, including a LSC of 84,069 bp, a SSC of 17,971 bp and two IR regions of 26,000 bp, respectively. Each Ammopiptanthus plastome contains 116 unique functional genes, including 78 protein-coding genes, 4 rRNA and 34 tRNA genes. Plastome sequence alignment with other Papilionoid legumes and an outgroup revealed a novel 23-kb inversion between the ndhJ and petN loci in Ammopiptanthus plastomes.

Journal: Conservation genetics resources
DOI: 10.1007/s12686-017-0747-8
Year: 2017

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