A complete chloroplast genome of (Pinaceae) and its phylogenetic implications.

Mitochondrial DNA B Resour

Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, PR China.

Published: June 2021

(Bertrand) Beissner 1891 (Pinaceae) is a rare tertiary relict plant endemic to China. However, since the main morphological characteristics used for identifying are variable, some taxonomic treatments within the species are still controversial. Here a complete chloroplast genome of representing a special genotype was assembled, which could provide more information for the taxonomic study of this species. The assembled genome was 117,642 bp in length with a large single-copy (LSC) region (74,825 bp), a small single-copy (SSC) region (40,247 bp), and two incomplete inverted repeats (IRs) regions (1285 bp each). In total, 118 genes were predicted, including 4 s, 34 s, and 80 protein-coding genes. The overall GC content of the assembled genome was 38.5%. Phylogenetic analysis showed that different accessions of formed a clade with relatively low support (bootstrap value = 71), which indicated a high level of sequences variation within the species.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8218866PMC
http://dx.doi.org/10.1080/23802359.2021.1907253DOI Listing

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