Unique mitochondrial genome structure of the green algal strain YC001 (Sphaeropleales, Chlorophyta), with morphological observations

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Title
Unique mitochondrial genome structure of the green algal strain YC001 (Sphaeropleales, Chlorophyta), with morphological observations
Author(s)
Hyung Gwan Lee; H J Song; Dae Soo Kim; C H Cho; Hyun Joon La; Hee-Mock Oh; H S Yoon
Bibliographic Citation
Phycologia, vol. 55, no. 1, pp. 72-78
Publication Year
2016
Abstract
We characterized the complete sequence of the mitochondrial genome of the freshwater green algal strain YC001, known as 'Ettlia sp.', which is of great interest for biofuel production. The size of the mitogenome was 52,489 base pairs (bp), with 49.0% GC content. It consisted of 49 mitochondrial genes typical of the Chlorophyceae, including 16 protein-coding genes, 27 transfer RNA genes and six ribosomal RNA genes as well as three introns within cox1 (6832 bp), rnl4 (1805 bp) and cob (1107 bp). We determined that YC001 is a species of Coelastrella on the basis of molecular phylogenetic analyses and microscopic observations. A unique feature of this mitogenome is the presence of three different types of inverted repeats between trnL and trnI and between nad4 and cox1 as well as the presence of orf215, orf755 and one additional copy of the trnM gene, all of which enable a comparison with an available sister taxon, Acutodesmus obliquus.
Keyword
BiofuelCoelastrellaMitochondrial genomePhylogenySphaeroplealesUnicellular green algal strain yc001
ISSN
0031-8884
Publisher
T&F (Taylor & Francis)
DOI
http://dx.doi.org/10.2216/15-71.1
Type
Article
Appears in Collections:
Division of Biomaterials Research > Cell Factory Research Center > 1. Journal Articles
Division of Research on National Challenges > Environmental diseases research center > 1. Journal Articles
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