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Published on: July 28, 2017
Mitochondrial genome of African rice (Oryza glaberrima): comparative analysis and phylogenetic relationships
Babatunde O Kehinde1, Zhang Shiyu1, Jin Linfeng1
1Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, China.
Abstract:
We report the first complete mitochondrial genome of African rice (Oryza glaberrima), spanning 376,795 bp across two circular chromosomes (GC: 43.9%) and encoding 65 genes (39 protein-coding, 21 tRNA, 5 rRNA). Repeat analysis identified 37 simple sequence repeats and 50 dispersed repeats (including a 7,116 bp palindromic repeat), comprising 18.37% of the genome. Phylogenetic analysis confirmed O. glaberrima's placement within Oryza. This reference mitogenome enhances understanding of mitochondrial genome diversity and evolution, providing a foundation for genetic studies and molecular breeding strategies for African rice improvement.
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