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Characterization of the complete chloroplast genome of Ginkgo biloba L. (Ginkgoaceae), an endangered species endemic to China.

ABSTRACT: Ginkgo biloba L. is the oldest relict plant among the gymnosperms, left after the quaternary glacial movement. There are few living G. biloba and few old trees over a hundred years old. It is currently on the International Union for Conservation of Nature (IUCN) red list of threatened species. In this study, we first assembled the complete chloroplast (cp) genome of G. biloba L. by Illumina paired-end reads data. The whole genome was 156,988?bp, consisting of a pair of inverted repeats of 34,056?bp, large and small single copy regions of 56,819 and 22,763?bp in length, respectively. The cp genome contained 131 genes, including 84 protein-coding genes, 31 trRNA genes and 5 rRNA genes. The overall GC content of the whole genome was 39.6%. A neighbour-joining phylogenetic analysis demonstrated a close relationship between G. biloba L. and Cycas revoluta.

SUBMITTER: Jiao P

PROVIDER: S-EPMC7707647 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Characterization of the complete chloroplast genome of Ginkgo biloba L. (Ginkgoaceae), an endangered species endemic to China.

Jiao Peng P Qi Zhuo Z Jiang Zhenzhong Z Qu Jing J Guan Shuyan S

Mitochondrial DNA. Part B, Resources 20191120 2

Ginkgo biloba L. is the oldest relict plant among the gymnosperms, left after the quaternary glacial movement. There are few living G. biloba and few old trees over a hundred years old. It is currently on the International Union for Conservation of Nature (IUCN) red list of threatened species. In this study, we first assembled the complete chloroplast (cp) genome of G. biloba L. by Illumina paired-end reads data. The whole genome was 156,988 bp, consisting of a pair of inver ...[more]

PMID: 33366350

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