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Article

rDNA genetic imbalance and nucleolar chromatin restructuring is induced by distant hybridization between Raphanus sativus and Brassica alboglabra.

PloS one - 1 Jan 2015

Long Hong, Chen Chunli, Wang Bing, Feng Yanni

Abstract excerpt

The expression of rDNA in hybrids inherited from only one progenitor refers to nucleolar dominance. The molecular basis for choosing which genes to silence remains unclear. We report genetic imbalance induced by distant hybridization correlates with formation of rDNA genes (NORs) in the hybrids between Raphanus sativus L. and Brassica alboglabra Bailey. Moreover, increased CCGG methylation of rDNA in F1 hybrids...

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Identifiers

PMID: 25723542
DOI: 10.1371/journal.pone.0117198
PMCID: PMC4344237

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