NDLI: Complete chloroplast genome sequences of Eucommia ulmoides: genome structure and evolution

Content Provider	Springer Nature Link
Author	Wang, Lin Wuyun, Ta na Du, Hongyan Wang, Depeng Cao, Deming
Copyright Year	2016
Abstract	Eucommia ulmoides is an important traditional medicinal plant that is used for the production of locative Eucommia rubber. In this study, the complete chloroplast (cp) genome sequence of E. ulmoides was obtained by total DNA sequencing; this is the first cp genome sequence of the order Garryales. The cp genome of E. ulmoides was 163,341 bp long and included a pair of inverted repeat (IR) regions (31,300 bp), one large single copy (LSC) region (86,592 bp), and one small single copy (SSC) region (14,149 bp). The genome structure and GC content were similar to those of typical angiosperm cp genomes and contained 115 unique genes, including 80 protein-coding genes, 31 transfer RNA (tRNAs), and four ribosomal RNA (rRNAs). Compared with the entire cp genome sequence, three unique genome rearrangements were observed in the LSC region. Moreover, compared with the Sesamum and Nicotiana cp genomes, E. ulmoides contained no indels in the IR regions, and variable regions were identified in noncoding regions. The E. ulmoides cp genome showed extreme expansion at the IR/SSC boundary owing to the integration of an additional complete gene, ycf1. Twenty-nine simple sequence repeats (SSRs) were identified in the E. ulmoides cp genome. In addition, 36 protein-coding genes were used for phylogenetic inference, supporting a sister relationship between E. ulmoides and Aucuba, which belongs to Euasterids I. In summary, we described the complete cp genome sequence of E. ulmoides; this information will be useful for phylogenetic and evolutionary studies.
Starting Page	1
Ending Page	15
Page Count	15
File Format	PDF
ISSN	16142942
Journal	Tree Genetics & Genomes
Volume Number	12
Issue Number	1
e-ISSN	16142950
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-01-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Eucommia ulmoides Chloroplast DNA Comparative analysis Phylogeny Forestry Plant Genetics & Genomics Plant Breeding/Biotechnology Tree Biology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Molecular Biology Horticulture Forestry

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