Abstract
Friedreich ataxia is a disease that is associated with defects in the gene coding for a small protein frataxin. Several different roles have been proposed for the protein, including iron chaperoning and iron storage. Mössbauer spectroscopy was used to probe these hypotheses. Iron accumulation in mutant mitochondria unable to assemble iron sulfur clusters proved to be insensitive to overexpression of frataxin, ruling out its potential involvement as an iron storage protein similar to ferritin. Rather, it was found that frataxin negatively regulates iron sulfur cluster assembly.
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Garcia-Serres, R., Clémancey, M., Oddou, JL., Pastore, A., Lesuisse, E., Latour, JM. (2013). Mössbauer studies of frataxin role in iron-sulfur cluster assembly and dysfunction-related disease. In: Yoshida, Y. (eds) ICAME 2011. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4762-3_51
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DOI: https://doi.org/10.1007/978-94-007-4762-3_51
Publisher Name: Springer, Dordrecht
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