The complete chloroplast genome sequences of the Sicyos angulatus (Cucurbitaceae)

Sicyos angulatus (burcucumber) is an annual plant native to the north-eastern America. We investigated the genomic characteristics of the complete chloroplast (CP) genome in S. angulatus with a de novo strategy. The CP genome was 154,986 bp in length including 84 protein coding genes, 37 tRNA genes, and eight rRNA genes. It has large single-copy (LSC) (84,355 bp), small single-copy (SSC) (18,079 bp), and a pair of inverted repeats (IRs) (26,276 bp), which consists of typical quadripartite structure. A phylogenetic analysis of 64 CP genomes from Cucurbitaceae revealed that the Sicyos angulatus was separated from other species and clustered together with Sicyos edulis, which is congruent with previous studies. Infrafamilial classification system inferred from our data was also congruent with previous study based on CP DNA data.

Automated summary

The genomic characteristics of Sicyos angulatus show specific features, separating it from other species within the Cucurbitaceae family. Phylogenetic analysis reveals a clustering with Sicyos edulis, supporting previous studies. The intrafamilial classification system inferred from the data is also consistent with previous research based on CP DNA.