paralogous genes

paralogous genes
Genes that result from duplication of existing genes and then divergence of function - contrast with orthologous genes.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • 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

  • paralogous — Homologous genes/gene products that have duplicated and evolved divergently within a species. e.g. beta and gamma globulin genes …   Glossary of Biotechnology

  • paralogous — adjective a) (of multiple genes at different chromosomal locations in the same organism) Having a similar structure indicating divergence from a common ancestral gene b) (metaphorical) Having a similar structure, quality or nature indicating …   Wiktionary

  • orthologous genes — Genes related by common phylogenetic descent contrast with paralogous genes …   Dictionary of molecular biology

  • 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

  • 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

  • Regional specification — In the field of developmental biology, regional specification is the process by which different areas are identified in the development of the early embryo. The process by which the cells become specified differs between organisms. Contents 1… …   Wikipedia

  • CCL4L1 — Chemokine (C C motif) ligand 4 like 1, also known as CCL4L1, is a human gene.cite web | title = Entrez Gene: CCL4L1 chemokine (C C motif) ligand 4 like 1| url = Cmd=ShowDetailView… …   Wikipedia

  • MicroRNA — The stem loop secondary structure of a pre microRNA from Brassica oleracea. A microRNA (abbreviated miRNA) is a short ribonucleic acid (RNA) molecule found in eukaryotic cells. A microRNA molecule has very few nucleotides (an average of 22)… …   Wikipedia

  • HIVEP3 — Human immunodeficiency virus type I enhancer binding protein 3, also known as HIVEP3, is a human gene.cite web | title = Entrez Gene: HIVEP3 human immunodeficiency virus type I enhancer binding protein 3| url =… …   Wikipedia

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