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The complete chloroplast genome sequence of garden cress (Lepidium sativum L.) and its phylogenetic analysis in Brassicaceae family.

ABSTRACT: Garden cress, Lepidium sativum L., is not only an important vegetable which is cultivated in the entire world, but also a widely used folk medicine for the treatment of hyperactive airways disorders. However, as a member of Brassicaceae, few studies have been carried out on its phylogenetic relationship with other Brassicaceae members. Herein, the complete chloroplast (cp) genome of garden cress wa deciphered by the combination of Illumina Hiseq and PacBio Hiseq Platform after extracting of its cp DNA. The cp genome showed a typically quadripartite cycle with 154997 bp, including a pair of inverted repeats (IRa and IRb) of 26491 bp intersected by a large single copy (LSC) region of 84007 bp and a small single copy (SSC) region of 18008 bp. Totally, 128 unique genes were assembled in this cp genome, including 83 protein genes, 37 tRNAs and 8 rRNAs. A total of 73 simple sequence repeats (SSRs) with a length of at least 10 bp were detected. Phylogenetic analysis based on 30 cp genome of Brassicaceae family showed that the L. sativum was closely related to L. virginicum. This study provides important information for future evolution, genetic and molecular biology studies of L. sativum.

SUBMITTER: Zhu B

PROVIDER: S-EPMC7710307 | biostudies-literature |

REPOSITORIES: biostudies-literature

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