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2017, Number 4

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Rev Educ Bioquimica 2017; 36 (4)

Los códigos genéticos mitocondriales: características, origen y evolución

Aguilar GK, Vilchis PA, Valdés LV

Language: Spanish
References: 57
Page: 129-140
PDF size: 638.45 Kb.


ABSTRACT

The mitochondrion is a highly specialized organelle, present in almost all eukaryotic cells that carry out the energy production through oxidative phosphorylation and also takes part in many cellular processes. Mitochondria has its own genome, whose size, structure and genetic content varies in different organisms, Since the first mitochondrial genome description, it was shown that many organisms exhibit genetic code variants, which give different meanings to some codons. Nowadays, the number of variants has increased. In this work we analyze the code variants that have been found, focusing on mitochondrial variants and how they are recognized for the translation systems in these organelles. We also analyzed the different hypothesis on the origin of these variants.


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