Plastome characteristics of Cannabaceae.
Zhang, Huanlei; Jin, Jianjun; Moore, Michael J; Yi, Tingshuang; Li, Dezhu
Source PublicationPlant diversity
AbstractCannabaceae is an economically important family that includes ten genera and ca. 117 accepted species. To explore the structure and size variation of their plastomes, we sequenced ten plastomes representing all ten genera of Cannabaceae. Each plastome possessed the typical angiosperm quadripartite structure and contained a total of 128 genes. The Inverted Repeat (IR) regions in five plastomes had experienced small expansions (330-983bp) into the Large Single-Copy (LSC) region. The plastome of Chaetachme aristata has experienced a 942-bp IR contraction and lost rpl22 and rps19 in its IRs. The substitution rates of rps19 and rpl22 decreased after they shifted from the LSC to IR. A 270-bp inversion was detected in the Parasponia rugosa plastome, which might have been mediated by 18-bp inverted repeats. Repeat sequences, simple sequence repeats, and nucleotide substitution rates varied among these plastomes. Molecular markers with more than 13% variable sites and 5% parsimony-informative sites were identified, which may be useful for further phylogenetic analysis and species identification. Our results show strong support for a sister relationship between Gironniera and Lozanell (BS=100). Celtis, Cannabis-Humulus, Chaetachme-Pteroceltis, and Trema-Parasponia formed a strongly supported clade, and their relationships were well resolved with strong support (BS=100). The availability of these ten plastomes provides valuable genetic information for accurately identifying species, clarifying taxonomy and reconstructing the intergeneric phylogeny of Cannabaceae.
Document Type期刊论文
Recommended Citation
GB/T 7714
Zhang, Huanlei,Jin, Jianjun,Moore, Michael J,et al. Plastome characteristics of Cannabaceae.[J]. Plant diversity,2018,40(3):127-137.
APA Zhang, Huanlei,Jin, Jianjun,Moore, Michael J,Yi, Tingshuang,&Li, Dezhu.(2018).Plastome characteristics of Cannabaceae..Plant diversity,40(3),127-137.
MLA Zhang, Huanlei,et al."Plastome characteristics of Cannabaceae.".Plant diversity 40.3(2018):127-137.
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