orthologous genes

orthologous genes
Genes related by common phylogenetic descent - contrast with paralogous genes.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • orthologous genes — genes in different species that are similar in DNA sequence and encode proteins having the same function; they originate from a single ancestral gene that diverged after speciation, e.g., the genes encoding β globin chains in different… …   Medical dictionary

  • Orthologous MAtrix — OMA Content Description orthology inference among 1000 complete genomes. Contact Laboratory ETH Zurich …   Wikipedia

  • orthologous — Homologous genes/gene products that have evolved divergently between species; many rice genes have orthologues in other cereal genomes, because of the common ancestry of cereal species. See: paralogous …   Glossary of Biotechnology

  • paralogous genes — Genes that result from duplication of existing genes and then divergence of function contrast with orthologous genes …   Dictionary of molecular biology

  • Pax genes — Paired box (Pax) genes are a family of tissue specific transcription factors containing a paired domain and usually a partial or complete homeodomain. An octapeptide may also be present. Pax proteins are important in early animal development for… …   Wikipedia

  • paralogous genes — genes in a single species that have similar DNA sequences and encode proteins with similar or related functions; they are likely to have originated from a single ancestral gene, diverging after duplication, e.g., the genes encoding α and… …   Medical dictionary

  • Transfert horizontal de gènes — Arbre phylogénétique du vivant à trois domaines montrant les possibles transferts horizontaux L …   Wikipédia en Français

  • Homology (biology) — For use of the term homologous in reference to chromosomes, see Homologous chromosomes. The principle of homology: The biological derivation relationship (shown by colors) of the various bones in the forelimbs of four vertebrates is known as… …   Wikipedia

  • C11orf73 — chromosome 11 open reading frame 73 [[file:‎|border|250px|alt=]] A Phyre homology model of the human C11orf73 protein.[1] Identifiers Symbols …   Wikipedia

  • Phylogenetic footprinting — is a technique used to identify transcription factor binding sites (TFBS) within a non coding region of DNA of interest by comparing it to the orthologous sequence in different species. When this technique is used with a large number of closely… …   Wikipedia

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