45S rDNA Regions Are Chromosome Fragile Sites Expressed as Gaps In Vitro on Metaphase Chromosomes of Root-Tip Meristematic Cells in Lolium spp

@article{Huang200845SRR,
  title={45S rDNA Regions Are Chromosome Fragile Sites Expressed as Gaps In Vitro on Metaphase Chromosomes of Root-Tip Meristematic Cells in Lolium spp},
  author={Jing Huang and Lu Ma and Fei Yang and Shui-Zhang Fei and Lijia Li},
  journal={PLoS ONE},
  year={2008},
  volume={3},
  pages={146 - 157}
}
BACKGROUND In humans, chromosome fragile sites are regions that are especially prone to forming non-staining gaps, constrictions or breaks in one or both of the chromatids on metaphase chromosomes either spontaneously or following partial inhibition of DNA synthesis and have been well identified. So far, no plant chromosome fragile sites similar to those in human chromosomes have been reported. METHODS AND RESULTS During the course of cytological mapping of rDNA on ryegrass chromosomes, we… CONTINUE READING
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