http://www.cnr.it/ontology/cnr/individuo/prodotto/ID182280
Evolution of nuclearly encoded mitochondrial genes in Metazoa (Articolo in rivista)
- Type
- Label
- Evolution of nuclearly encoded mitochondrial genes in Metazoa (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Alternative label
Anna De Grassi a, Corrado Caggese b, Domenica D'Elia a, Cecilia Lanave a, Graziano Pesole c, Cecilia Saccone a,d,* (2005)
Evolution of nuclearly encoded mitochondrial genes in Metazoa
in Gene (Amst.)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Anna De Grassi a, Corrado Caggese b, Domenica D'Elia a, Cecilia Lanave a, Graziano Pesole c, Cecilia Saccone a,d,* (literal)
- Pagina inizio
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- http://www.sciencedirect.com/science/article/pii/S0378111905001770 (literal)
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- a Istituto di Tecnologie Biomediche, Sezione di Bari, CNR, Bari, Italy
b Dipartimento di Anatomia Patologica e di Genetica (DAPEG), sezione di Genetica, Universita` di Bari, Bari, Italy
c Dipartimento di Scienze Biomolecolari e Biotecnologie, Universita` degli Studi di Milano, Milano, Italy
d Dipartimento di Biochimica e Biologia Molecolare, Universita` di Bari, Bari, Italy (literal)
- Titolo
- Evolution of nuclearly encoded mitochondrial genes in Metazoa (literal)
- Abstract
- All Metazoan nuclear genomes underwent a continuous process of both complete and partial genetic material gain and loss. The forces
modulating these events are also subject to the strict interaction between nuclear and mitochondrial (mt) genome. In this context we
investigate the evolution of nuclear genes encoding proteins which target the mitochondrion, with a particular attention to genes involved in
oxidative phosphorylation (OXPHOS), one of the most ancient and conserved functions. To examine thoroughly the evolutionary strategies
that preserve OXPHOS and coordinate the two cellular genomes, a comparative analysis has been carried out for 78 OXPHOS gene families
in several Metazoa (insects, tunicates, fishes and mammals). We demonstrate that the duplication rate of OXPHOS genes increases passing
from invertebrates to vertebrates consistently with the total increase in genome size, but all species are prone to negatively select OXPHOS
duplicates compared to the general trend of nuclear gene families. These results are consistent with the Fbalance hypothesis_ and, at least in
insects, the expression of duplicate genes is low and strongly testis-biased. (literal)
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