NDLI: The Chloroplast Genome of Elaeagnus macrophylla and trnH Duplication Event in Elaeagnaceae

Content Provider	PubMed Central
Author	Choi, Kyoung Su Son, Ogyeong Park, Seonjoo
Editor	Chen, Zhong-hua
Copyright Year	2015
Abstract	Elaeagnaceae, which harbor nitrogen-fixing actinomycetes, is a plant family of the Rosales and sister to Rhamnaceae, Barbeyaceae and Dirachmaceae. The results of previous molecular studies have not strongly supported the families of Elaeagnaceae, Rhamnaceae, Barbeyaceae and Dirachmaceae. However, chloroplast genome studies provide valuable phylogenetic information; therefore, we determined the chloroplast genome of Elaeaganus macrophylla and compared it to that of Rosales such as IR junction and infA gene. The chloroplast genome of Elaeagnus macrophylla is 152,224 bp in length and the infA gene of E. macrophylla was psuedogenation. Phylogenetic analyses based on 79 genes in 30 species revealed that Elaeagnus was closely related to Morus. Comparison of the IR junction in six other rosids revealed that the trnH gene contained the LSC region, whereas E. macrophylla contained a trnH gene duplication in the IR region. Comparison of the LSC/IRb (JLB) and the IRa/LSC (JLA) regions of Elaeagnaceae (Elaeagnus and Shephedia) and Rhamnaceae (Rhamnus) showed that trnH gene duplication only occurred in the Elaeagnaceae. The complete chloroplast genome of Elaeagnus macrophylla provides unique characteristics in rosids. The infA gene has been lost or transferred to the nucleus in rosids, while E. macrophylla lost the infA gene. Evaluation of the chloroplast genome of Elaeagnus revealed trnH gene duplication for the first time in rosids. The availability of Elaeagnus cp genomes provides valuable information describing the relationship of Elaeagnaceae, Barbeyaceae and Dirachmaceae, IR junction that will be valuable to future systematics studies.
Related Links	http://dx.doi.org/10.1371/journal.pone.0138727
Starting Page	138727
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	9
Volume Number	10
Language	English
Publisher	Public Library of Science
Publisher Date	2015-09-01
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Biochemistry, Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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