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Identification of various complete circle form of mitochondrial genome sequences using WGS in Brassica oleracea
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/298292
Mitochondria are essential organelles of eukaryotic cells and plant cells contain varying numbers of mitochondrial genome sequences. Sizes and shapes of mitochondria differ within a tissue or in the same cells. Previously sequenced complete mitochondrial genome (NC_016118) of Brassica oleracea size was 360,271 bp, where segmental duplication (repeat block) was 141,800 bp. In this study, we resequenced this whole mitochondrial genome by using WGS (whole genome sequencing) and assembled organelles genome method (unpublished). Newly sequenced mitochondrial genome length was 219,975 bp and circle form. A new sequence segment of approximately 4,800 bp was obtained compared to the previous genome sequence without any large repeat block. Newly obtained mitochondria genome sequence was compared with recently reported mitochondria genome sequences of various species (B. oleracea, B. juncea, B. rapa, B. napus and B. carinata) and subspecies (cabbage, cauliflower, brussels sprouts, kohlrabi, broccoli and kale) by PCR using primers specifying different region of genome sequences. PCR analysis results have also confirmed the variation between previous and newly sequenced mitochondrial genome circles form. Thus, the results suggest new B. oleracea mitotype, including evolutionary events such as inheritance, rearrangement, genome compaction, and diversity
