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Mitochondria: Where Are They Coming From?

  • Mauro Degli Esposti
Chapter

Abstract

This chapter summarizes the evidence sustaining the concept that mitochondria derive from a particular type of bacteria, the alpha proteobacteria. Once considered a hypothesis, this concept is now a scientific fact and therefore should not be viewed in dubitative terms. What remains uncertain is from which bacterial taxa the proto-mitochondria originated. However, the quest to find the living bacterial relatives of our mitochondria is narrowing to a limited set of alpha proteobacteria with ample metabolic versatility. The results of this quest are likely to throw new light on various aspects of mitochondrial physiology and biochemistry.

Keywords

Proto-mitochondria Alpha proteobacteria Endo-symbiotic theory Evolution Metabolism 

Notes

Acknowledgements

I thank Esperanza Martinez Romero (E.M.R.) for her support. This work was sponsored in part by CONACyT grants No. 263876 and 253116 to E.M.R.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Italian Institute of TechnologyGenoaItaly
  2. 2.Center for Genomic Sciences, UNAM Campus of CuernavacaCuernavacaMexico

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