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Characterization of the complete chloroplast genome sequence of Littledalea racemosa Keng (Poaceae: Bromeae)

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Abstract

Littledalea racemosa is an alpine perennial species in the grass (Poaceae) tribe Bromeae that is endemic to the Qinghai–Tibet Plateau and adjacent regions. In the present study, we sequenced the complete chloroplast (cp) genome of L. racemosa on the Illumina MiSeq platform. This represents the first complete cp sequence for the Bromeae. The total genome size was 135,330 bp in length with 38.5% GC content. It contains a pair of inverted repeat regions (21,429 bp) separated by a small single copy region (12,486 bp) and a large single copy region (79,986 bp). Within the newly sequenced cp genome, we annotated a total of 142 genes, which included 84 protein-coding genes, 38 tRNAs genes, and 8 rRNAs genes. The most of genes occur within the single copy regions. We used the cp genome of L. racemosa and 37 other chloroplast genomes to perform a phylogenetic analysis, which indicated that L. racemosa is closely related species in tribe Triticeae of subfamily Pooideae.

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Acknowledgements

We are grateful to Professor Zhumei Ren for providing help with data analysis, and Dr. AJ Harris for helping us to polish the manuscript. This study was supported by the National Natural Science Foundation of China (31260052, 41761009), Natural Science Foundation of Qinghai Province (2016-ZJ-937Q, 2017-ZJ-904, 2014-ZJ-947Q), State Scholarship Fund of China Scholarship Council (201508635003), and the Young and Middle-Aged Research Foundation of Qinghai Normal University (2015–19).

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Authors and Affiliations

  1. Key Laboratory of Medicinal Plant and Animal Resources in the Qinghai-Tibetan Plateau, School of Life Science, Qinghai Normal University, Xining, China

    Yuping Liu, Xu Su, Ting Lv & Tao Liu

  2. Key Laboratory of Physical Geography and Environmental Process in Qinghai Province, School of Life Science, Qinghai Normal University, Xining, China

    Yuping Liu & Kelong Chen

  3. Key Laboratory of Education Ministry of Environments and Resources in the Qinghai-Tibetan Plateau, School of Life Science, Qinghai Normal University, Xining, China

    Xu Su, Ting Lv, Tao Liu & Kelong Chen

Authors
  1. Yuping Liu
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  2. Xu Su
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  3. Ting Lv
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  4. Tao Liu
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  5. Kelong Chen
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Correspondence to Xu Su.

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Liu, Y., Su, X., Lv, T. et al. Characterization of the complete chloroplast genome sequence of Littledalea racemosa Keng (Poaceae: Bromeae). Conservation Genet Resour 10, 343–346 (2018). https://doi.org/10.1007/s12686-017-0820-3

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  • DOI: https://doi.org/10.1007/s12686-017-0820-3

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