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Chapitre 13

Génomes et évolution

Relations phylogéniques par comparaison génomique
Relations phylogéniques par comparaison génomique
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is ...
Erreurs de copies du génome
Erreurs de copies du génome
DNA replication is a well-evolved process that copies millions of base pairs with high fidelity during each cell division. Occasionally a wrong base or a ...
Arbre phylogénique
Arbre phylogénique
Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches ...
Synténie et évolution
Synténie et évolution
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not ...
Séquences conservées à travers plusieurs espèces
Séquences conservées à travers plusieurs espèces
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was ...
Duplication et divergence génique
Duplication et divergence génique
The seminal work of Ohno in 1970 popularized the idea of gene duplication and divergence. DNA sequence comparison studies reveal that a large portion of ...
Recombinaison d’exon
Recombinaison d’exon
The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new ...
Comparer les variations du nombre de copies ou SNPs
Comparer les variations du nombre de copies ou SNPs
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist ...
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