Words similar to ssaps
Example sentences for: ssaps
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Evidence for convergent operon evolution and in situ non-orthologous displacement of genes in operons encoding SSAPs
The clustering of functionally related genes in prokaryotic genomes into co-transcribed and co-regulated units, operons, often allows functional assignments through the principle of 'guilt by association' [ 30 31 32 ] . Generally, genes whose products physically interact to form a complex or are involved in successive steps in a biochemical pathway form operons that are conserved over large evolutionary distances [ 30 ] . On previous occasions, we have used gene neighborhoods or operons to predict novel DNA repair complexes and their components [ 33 ] . Accordingly, a similar approach was applied to the three families of SSAPs (RecT/Redβ, ERF, Rad52), to shed light on their functional links.
ERF defines a superfamily of SSAPs that are evolutionarily distinct from the RecT/Redβ super family
By comparing the gene neighborhoods of the SSAPs, we show that the predicted operons that include the SSAP genes evolve according to the "LEGO" principle.
These nucleases probably contribute to the repair process, in which SSAPs are involved, by providing the initial break in the dsDNA and/or in digesting the nicked target to generate ssDNA.
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