Evolution of new enzymes by gene duplication and divergence
Thousands of new metabolic and regulatory enzymes have evolved by gene duplication and divergence since the dawn of life. New enzyme activities often originate from promiscuous secondary activities that have become important for fitness due to a change ...
S. Copley
semanticscholar +1 more source
Promoter evolution of mammalian gene duplicates
Background Gene duplication is thought to be a central process in evolution to gain new functions. The factors that dictate gene retention following duplication as well paralog gene divergence in sequence, expression and function have been extensively ...
Evgeny Fraimovitch, Tzachi Hagai
doaj +1 more source
Gene duplication drives genome expansion in a major lineage of Thaumarchaeota
Ammonia-oxidising archaea of the phylum Thaumarchaeota are important organisms in the nitrogen cycle, but the mechanisms driving their radiation into diverse ecosystems remain underexplored. Here, existing thaumarchaeotal genomes are complemented with 12
P. O. Sheridan+12 more
semanticscholar +1 more source
Acquisition of new function through gene duplication in the metallocarboxypeptidase family
Gene duplication is a key first step in the process of expanding the functionality of a multigene family. In order to better understand the process of gene duplication and its role in the formation of new enzymes, we investigated recent duplication ...
Daniel Fajardo+2 more
doaj +1 more source
Gene duplicability of core genes is highly consistent across all angiosperms [PDF]
Gene duplication is an important mechanism for adding to genomic novelty. Hence, which genes undergo duplication and are preserved following duplication is an important question. It has been observed that gene duplicability, or the ability of genes to be
De Smet, Riet+5 more
core +4 more sources
Selection in the evolution of gene duplications [PDF]
Gene duplications have a major role in the evolution of new biological functions. Theoretical studies often assume that a duplication per se is selectively neutral and that, following a duplication, one of the gene copies is freed from purifying (stabilizing) selection, which creates the potential for evolution of a new function.In search of systematic
Fyodor A. Kondrashov+3 more
openaire +3 more sources
Background Gene duplication has had a major impact on genome evolution. Localized (or tandem) duplication resulting from unequal crossing over and whole genome duplication are believed to be the two dominant mechanisms contributing to vertebrate genome ...
Lu Jianguo+4 more
doaj +1 more source
Magnetosome Gene Duplication as an Important Driver in the Evolution of Magnetotaxis in the Alphaproteobacteria [PDF]
The evolution of microbial magnetoreception (or magnetotaxis) is of great interest in the fields of microbiology, evolutionary biology, biophysics, geomicrobiology, and geochemistry.
Bazylinski, Dennis A.+9 more
core +3 more sources
Horizontal transfer, not duplication, drives the expansion of protein families in prokaryotes. [PDF]
Gene duplication followed by neo- or sub-functionalization deeply impacts the evolution of protein families and is regarded as the main source of adaptive functional novelty in eukaryotes.
Todd J Treangen, Eduardo P C Rocha
doaj +1 more source
Gene duplication and an accelerated evolutionary rate in 11S globulin genes are associated with higher protein synthesis in dicots as compared to monocots [PDF]
Background: Seed storage proteins are a major source of dietary protein, and the content of such proteins determines both the quantity and quality of crop yield.
Dunwell, Jim+3 more
core +2 more sources