Decondensation of chromosomal 45S RDNA sites in Lolium species does not promote loss of DNA.
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Fragile sites (FS) are reported in the 45S rDNA containing NOR region of Lofium species, likely resulting in breaks and chromosomal lesions™ 2. If not repaired such breaks could generate fragments and cause the loss of genetic material and genomic instability’. The formation of neocentromeres could prevent the loss of chromosome fragments.
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Lolium species, DNA