Results 11 to 20 of about 172,476 (315)

Can Introns Stabilize Gene Duplication?

open access: yesBiology, 2022
Gene duplication is considered one of the most important events that determine the evolution of genomes. However, the neo-duplication condition of a given gene is particularly unstable due to recombination events. Several mechanisms have been proposed to
Gioacchino Micheli, Giorgio Camilloni
doaj   +1 more source

Promoter evolution of mammalian gene duplicates

open access: yesBMC Biology, 2023
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

Acquisition of new function through gene duplication in the metallocarboxypeptidase family

open access: yesScientific Reports, 2023
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

Profiling of gene duplication patterns of sequenced teleost genomes: evidence for rapid lineage-specific genome expansion mediated by recent tandem duplications

open access: yesBMC Genomics, 2012
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

Horizontal transfer, not duplication, drives the expansion of protein families in prokaryotes. [PDF]

open access: yesPLoS Genetics, 2011
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

The roles of segmental and tandem gene duplication in the evolution of large gene families in Arabidopsis thaliana

open access: yesBMC Plant Biology, 2004
Background Most genes in Arabidopsis thaliana are members of gene families. How do the members of gene families arise, and how are gene family copy numbers maintained?
Baumgarten Andrew   +4 more
doaj   +1 more source

Models for the retention of duplicate genes and their biological underpinnings [version 1; peer review: 2 approved]

open access: yesF1000Research, 2023
Gene content in genomes changes through several different processes, with gene duplication being an important contributor to such changes. Gene duplication occurs over a range of scales from individual genes to whole genomes, and the dynamics of this ...
Amanda E. Wilson   +5 more
doaj   +1 more source

Gene duplication and evolution in recurring polyploidization–diploidization cycles in plants

open access: yesGenome Biology, 2019
Background The sharp increase of plant genome and transcriptome data provide valuable resources to investigate evolutionary consequences of gene duplication in a range of taxa, and unravel common principles underlying duplicate gene retention. Results We
Xin Qiao   +7 more
doaj   +1 more source

Copy-number changes in evolution: rates, fitness effects and adaptive significance

open access: yesFrontiers in Genetics, 2013
Gene copy-number differences due to gene duplications and deletions are rampant in natural populations and play a crucial role in the evolution of genome complexity.
Vaishali eKatju, Ulfar eBergthorsson
doaj   +1 more source

Parallel reorganization of protein function in the spindle checkpoint pathway through evolutionary paths in the fitness landscape that appear neutral in laboratory experiments. [PDF]

open access: yesPLoS Genetics, 2017
Regulatory networks often increase in complexity during evolution through gene duplication and divergence of component proteins. Two models that explain this increase in complexity are: 1) adaptive changes after gene duplication, such as resolution of ...
Alex N Nguyen Ba   +5 more
doaj   +1 more source

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