Syntelog

Syntelog: a special case of gene homology where sets of genes are derived from the same ancestral genomic region. This may arise from speciation events, or through whole or partial genome duplication events (e.g. polyploidy). This term is distinct from ortholog, paralog, in-paralog, out-paralog, and xenolog because it refers only to genes' evolutionary history evidenced by sequence similarity and relative genomic position.[1]

Example

Comparison between two genomic regions of Arabidopsis thaliana derived from its most recent genome duplication event. Syntelogs are indicated by red lines connecting regions of sequence similarly (red boxes):

Sequence analysis and visualization of syntelogs performed by GEvo.[2] Regerate this analysis in CoGe's GEvo using this link. GEvo Sequences were compared using the BlastZ algorithm.

See also

References

  1. ^ Tang, Haibao; Bomhoff, Matthew D.; Briones, Evan; Zhang, Liangsheng; Schnable, James C.; Lyons, Eric (2015). "SynFind: Compiling Syntenic Regions across Any Set of Genomes on Demand". Genome Biology and Evolution. 7 (12): 3286–3298. doi:10.1093/gbe/evv219. ISSN 1759-6653. PMC 4700967. PMID 26560340.
  2. ^ Lyons, Eric; Pedersen, Brent; Kane, Josh; Freeling, Michael (2008). "The Value of Nonmodel Genomes and an Example Using SynMap within CoGe to Dissect the Hexaploidy that Predates the Rosids". Tropical Plant Biology. 1 (3–4): 181–190. doi:10.1007/s12042-008-9017-y.

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