Abstract：
:Stryphnodendron adstringens is a medicinal plant belonging to the Leguminosae family, and it is commonly found in the southeastern savannas, endemic to the Cerrado biome. The goal of this study was to assemble and annotate the chloroplast genome of S. adstringens and to compare it with previously known genomes of the mimosoid clade within Leguminosae. The chloroplast genome was reconstructed using de novo and referenced-based assembly of paired-end reads generated by shotgun sequencing of total genomic DNA. The size of the S. adstringens chloroplast genome was 162,169 bp. This genome included a large single-copy (LSC) region of 91,045 bp, a small single-copy (SSC) region of 19,014 bp and a pair of inverted repeats (IRa and IRb) of 26,055 bp each. The S. adstringens chloroplast genome contains a total of 111 functional genes, including 77 protein-coding genes, 30 transfer RNA genes, and 4 ribosomal RNA genes. A total of 137 SSRs and 42 repeat structures were identified in S. adstringens chloroplast genome, with the highest proportion in the LSC region. A comparison of the S. adstringens chloroplast genome with those from other mimosoid species indicated that gene content and synteny are highly conserved in the clade. The phylogenetic reconstruction using 73 conserved coding-protein genes from 19 Leguminosae species was supported to be paraphyletic. Furthermore, the noncoding and coding regions with high nucleotide diversity may supply valuable markers for molecular evolutionary and phylogenetic studies at different taxonomic levels in this group.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Souza UJB,Nunes R,Targueta CP,Diniz-Filho JAF,Telles MPCdoi
10.1038/s41598-019-50620-3subject
Has Abstractpub_date
2019-10-02 00:00:00pages
14206issue
1issn
2045-2322pii
10.1038/s41598-019-50620-3journal_volume
9pub_type
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