Repeats in mitochondrial and chloroplast genomes characterize the ecotypes of the Oryza
2021
Yang, Weilong | Zou, Jianing | Yu, Yajie | Long, Weixiong | Li, Shaoqing
Mitochondria and chloroplast are very important organelles for organism, participating in basic life activity. Their genomes contain many repeats which can lead to a variation of genome structure. Oryza is an important genus for human beings’ nutrition. Several mitochondrial and chloroplast genomes of Oryza have been sequenced, which help us to insight the distribution and evolution of the repeats in Oryza species. In this paper, we compared six mitochondrial and 13 chloroplast genomes of Oryza and found that the structures of mitochondrial genomes were more diverse than chloroplast genomes. Since repeats can change the structure of the genome, resulting in the structural diversity of the genome, we analyzed all repeats and found 31 repeats in mitochondrial and 13 repeats in chloroplast genomes. Further, we developed 21 pairs of MRS molecular markers and 12 pairs of CRS molecular markers based on mitochondrial repeats and chloroplast repeats, respectively. These molecular markers can be used to detect the repeat-mediated recombination in Oryza mitochondrial and chloroplast genomes by PCR or fluorescence quantification.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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