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DNA Seq. 2007 Oct;18(5):341-6.

The complete nucleotide sequence of Chinese hamster (Cricetulus griseus) mitochondrial DNA.

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College of Physicians and Surgeons, Center for Radiological Research, Columbia University, New York, NY 10032, USA.


Mammalian mitochondria contain their own approximately 16.5 kb circular genome. Mitochondrial DNA (mtDNA) encodes for a subset of the proteins involved in the electron transport chain and depletion or mutation of the sequence is implicated in a number of human disease processes. The recent finding is that mitochondrial damage mediates genotoxicity after exposure to chemical carcinogens has focused attention on the role of mtDNA mutations in the development of cancer. Although the entire genome has been sequenced for a number of mammals, only a small fraction of the mtDNA sequence is available for hamsters. We have obtained here the entire 16,284 bp sequence of the Chinese hamster mitochondrial genome, which will enable detailed analysis of mtDNA mutations caused by exposure to mutagens in hamster-derived cell lines.

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