2024-03-29T12:25:25Zhttps://www.tdx.cat/oai/requestoai:www.tdx.cat:10803/86852017-09-18T13:32:34Zcom_10803_311col_10803_322
nam a 5i 4500
Arbre de les espècies
Fongs
Transferència horitzontal de gens
Filofenòmica
Fungal phylogenomics.A global analysis of fungal genomes and their evolution
[Tarragona] :
Universitat Rovira i Virgili,
2011
Accés lliure
http://hdl.handle.net/10803/8685
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9788469364314
Marcet Houben, Marina,
autor
Tesi
Doctorat
Universitat Rovira i Virgili. Departament de Bioquímica i Biotecnologia
2010
Universitat Rovira i Virgili. Departament de Bioquímica i Biotecnologia
Tesis i dissertacions electròniques
Gabaldón Estevan, Juan Antonio, ,
1973-
supervisor acadèmic
TDX
Fungi is the eukaryotic group with a largest amount of completely sequenced species and therefore it is particularly well suited for comparative genomics analyses. <br/>A species tree is often an important part of phylogenomics analysis. Concern about its reliability led us to design several methods by which we could identify nodes in the species tree that were poorly supported by a whole phylome. We determined that the species tree was mostly well supported but some nodes showed large discrepancies to most genes.<br/>These results could partly be attributed to evolutionary events that result in topological changes in gene trees. Our analyses have shown that HGT plays an important role in fungal evolution. Gene duplications followed by differential loss are also often the cause of incongruence. The OXPHOS pathway, despite being formed by multi-protein complexes, has been affected by this process at similar levels than the rest of the genome.
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