Construct · 1 fields · 1 citations

overprint: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
overprint1 CONSTRUCTGene overprintingOVERLAPPING GENES

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Molecular evolution

A new gene written inside an old one's frame

In molecular evolution, overprinting is the origin of a new gene within a pre-existing coding sequence by reading the same stretch of nucleotides in a different frame or on the opposite strand, so one piece of DNA encodes two overlapping proteins. It is a route to genuinely novel genes, common in compact viral genomes. Keese and Gibbs's 1992 Origins of genes: "big bang" or continuous creation? named and argued for overprinting as a mechanism of gene birth. The referent is an evolutionary process creating overlapping reading frames, sharing only the word with press overprint and philatelic overprint.[1]

Unit
A new reading frame arising within an existing coding sequence
Recovery means
Not applicable
Measured by
Inferred from overlapping reading frames and the phylogenetic age difference between the overlapping genes

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Nearby constructs

birth3 fields · 5 citationsjingle · one word, three constructscolor4 fields · 5 citationsjingle · one word, four constructsevent3 fields · 5 citationsjingle · one word, three constructs

References

  1. Keese, P. K., & Gibbs, A. (1992). Origins of genes: "Big bang" or continuous creation? Proceedings of the National Academy of Sciences, 89(20), 9489–9493. https://doi.org/10.1073/pnas.89.20.9489

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