期刊
GENES
卷 9, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/genes9100515
关键词
B chromosome; satellite DNA; mobile element; organelle DNA; chromosome evolution
资金
- CNPq/FAPEAL
- Deutsche Forschungsgemeinschaft DFG [HO1779/26-1]
B chromosomes are supernumerary chromosomes found in addition to the normal standard chromosomes (A chromosomes). B chromosomes are well known to accumulate several distinct types of repeated DNA elements. Although the evolution of B chromosomes has been the subject of numerous studies, the mechanisms of accumulation and evolution of repetitive sequences are not fully understood. Recently, new genomic approaches have shed light on the origin and accumulation of different classes of repetitive sequences in the process of B chromosome formation and evolution. Here we discuss the impact of repetitive sequences accumulation on the evolution of plant B chromosomes.
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