Complete chloroplast genome of Jasminum sambac L. (Oleaceae)
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GENETICS & EVOLUTIONARY BIOLOGY - ORIGINAL ARTICLE
Complete chloroplast genome of Jasminum sambac L. (Oleaceae) Xiangyu Qi1 · Shuangshuang Chen1 · Yinjie Wang3 · Jing Feng1 · Huadi Wang2 · Yanming Deng1,2 Received: 12 February 2020 / Revised: 15 July 2020 / Accepted: 27 July 2020 © Botanical Society of Sao Paulo 2020
Abstract Jasmine [Jasminum sambac (L.) Aiton] is an important cultivated plant species that is valued for its ornamental, medicinal and edible values. However, the genomic information available for jasmine is limited. In this study, the complete chloroplast (cp) genomes of single-petal (SP) and double-petal (DP) cultivars of jasmine were investigated. An entire cp genome comparison, inverted repeat contraction and expansion were analyzed among several species, including the two jasmine cultivars, and phylogenetic analysis was performed. The results showed that the complete cp genomes were 163,315 bp (SP) and 163,281 bp (DP) long, respectively. Both genomes exhibited a single circular molecule with quadripartite structure consisting of a pair of inverted repeats separated by the large and small single-copy regions. Both SP and DP cultivars contained 114 unique genes. Sequence analysis identified 31 tandem repeats, 15 forward repeats, 14 palindrome repeats and five complement repeats in both cp genomes. A total of 118 and 117 simple sequence repeats (SSRs) were detected in the cp genomes of SP and DP cultivars, respectively. Phylogenetic analysis strongly supported that the SP cultivar was close to DP, and J. sambac belonged to the family Oleaceae, order Contortae. The complete cp genome sequences presented in this report may contribute to genetic and phylogenetic studies of this species. Keywords Euasterids · Genome assembly · Repeat sequence
1 Introduction Jasmine [Jasminum sambac (L.) Aiton], which belongs to the family Oleaceae, is an important commercial cultivated plant species in many Asian countries that is used extensively in bouquets and ornaments (Deng et al. 2012). Jasmine has been cultivated for over 1500 years in China because of its usage in traditional Chinese medicine and its high value in famous ‘jasmine tea,’ and it is widely Electronic supplementary material The online version of this article (https://doi.org/10.1007/s40415-020-00638-z) contains supplementary material, which is available to authorized users. * Yanming Deng [email protected] 1
Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Institute of Leisure Agriculture, Jiangsu Academy of Agricultural Sciences, No. 50 Zhongling Street, Nanjing 210014, Jiangsu, China
2
Institute of Life Sciences, Jiangsu University, Zhenjiang 212013, Jiangsu, China
3
Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, Jiangsu, China
distributed in Guangxi, Fujian, Sichuan, Yunnan, Hainan, Taiwan, etc. (Dong and Zhang 2001). Jasmine plants generally exhibit single-petal (SP), double-petal (DP) and multipetal (MP) phenotypes (Deng et al. 2017). The SP and DP are the main plante
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