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Article

Mutations defective in ribonucleotide reductase activity interfere with pollen plastid DNA degradation mediated by DPD1 exonuclease.

The Plant journal : for cell and molecular biology - 1 May 2012

Tang Lay Yin, Matsushima Ryo, Sakamoto Wataru

Abstract excerpt

Organellar DNAs in mitochondria and plastids are present in multiple copies and make up a substantial proportion of total cellular DNA despite their limited genetic capacity. We recently demonstrated that organellar DNA degradation occurs during pollen maturation, mediated by the Mg(2+) -dependent organelle exonuclease DPD1. To further understand organellar DNA degradation, we characterized a distinct mutant...

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PMID: 22239102
DOI: 10.1111/j.1365-313X.2012.04904.x

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