Characterization of the complete mitochondrial genome and phylogenetic analysis of Prototheca stagnorum (chlorellales: Chlorellaceae)
MITOCHONDRIAL DNA PART B-RESOURCES(2019)
Abstract
Prototheca stagnorum belongs to the genus Prototheca that are achloroplyllous algae with phylogenetic affinities to Chlorella sp. Microalgae of the genus Prototheca spp are associated with rare algal infections of invertebrates termed protothecosis. In this study, the complete nucleotide sequence of the circular mitochondrial (mt) DNA of the chlorophyte alga P. stagnorum has been determined (80,023 base-pairs, A + T content 13.77%). The genes identified encode three subunits of the cytochrome oxidase and apocytochrome b, eight subunits of the NADH dehydrogenase complex (nad1-7, nad4L), four ATPase subunits (atp1, atp4, atp6, atp8), three ribosomal RNAs (5 S (rrn5), small subunit (srn) and large subunit (lrn) RNA), 27 tRNAs, two succinate dehydrogenase and 10 ribosome proteins. The complete mitochondrial genome sequence will provide new molecular biology information to further understand the genetic diversity of the Prototheca sp. and to eliminate this population.
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Key words
Prototheca stagnorum,mitochondrial genome,protein-coding genes,phylogeny
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