Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A gene that is related to another gene in the same organism by descent from a single ancestral gene that was duplicated and that may have a different DNA sequence and biological function.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun genetics either of a pair of genes that derive from the same ancestral gene

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Back-formation from paralogous : para– (in reference to the parallel descent of the two genes from a single ancestral gene) + (homo)logous.]

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Examples

  • In mammals, the cecum expresses Hox paralogs groups 9-11, but the large intestine expresses Hox paralog groups 9-12.

    Evolution of the appendix? - The Panda's Thumb 2009

  • Consistently, zebrafish embryos carrying mutations in bulldog that codes for the Sec24D paralog, suffer skeletal dysmorphologies caused by the failure to secret ECM material

    PLoS ONE Alerts: New Articles Michaela Norum et al. 2010

  • Annual Review of Microbiology 44: 429-449. van Schaijk BCL, van Dijk MR, van de Vegte-Bolmer M, van Gemert GJ, van Dooren MW, et al. (2006) Pfs47, paralog of the male fertility factor Pfs48/45, is a female specitic surface protein in Plasmodium falciparum.

    PLoS ONE Alerts: New Articles Arthur M. Talman et al. 2010

  • While zebrafish embryos deficient for all three SUMO paralogs, as Ubc9-deficient ones, displayed severe defects, loss of individual SUMO paralog was compatible with a normal development.

    Naturejobs - All Jobs 2010

  • Annual Review of Microbiology 44: 429-449. van Schaijk BCL, van Dijk MR, van de Vegte-Bolmer M, van Gemert GJ, van Dooren MW, et al. (2006) Pfs47, paralog of the male fertility factor Pfs48/45, is a female specitic surface protein in Plasmodium falciparum.

    PLoS ONE Alerts: New Articles Arthur M. Talman et al. 2010

  • Reduction in the activity of Nek7 or its close paralog, Nek6, has previously been shown to arrest cells in mitosis, mainly at metaphase.

    Naturejobs - All Jobs H Salem 2010

  • Thus, biallelic germline mutations in a RAD51 paralog are associated with an FA-like syndrome.

    Naturejobs - All Jobs Fiona Vaz 2010

  • This protein lacks the complete domain set common to Sec23/Sec24 proteins, including the Sec23/24 (vWFA-like) domain, and only consists of a region which is specific to this Sec24 paralog and which is predicted to be unstructured.

    PLoS ONE Alerts: New Articles Michaela Norum et al. 2010

  • RAD51 paralog and support the 'common disease, rare allele' hypothesis.

    Naturejobs - All Jobs Alfons Meindl 2010

  • The paralog prediction uses automatically generated maximum-likelihood phylogenetic trees.

    PLoS ONE Alerts: New Articles Benjamin Schuster-B�ckler et al. 2010

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