Phylogenetic investigation of human FGFR-bearing paralogons favors piecemeal duplication theory of vertebrate genome evolution

W Ajmal, H Khan, AA Abbasi - Molecular phylogenetics and evolution, 2014 - Elsevier
Background Understanding the genetic mechanisms underlying the organismal complexity
and origin of novelties during vertebrate history is one of the central goals of evolutionary …

Phylogenomic analysis reveals ancient segmental duplications in the human genome

M Hafeez, M Shabbir, F Altaf, AA Abbasi - Molecular Phylogenetics and …, 2016 - Elsevier
Evolution of organismal complexity and origin of novelties during vertebrate history has
been widely explored in context of both regulation of gene expression and gene duplication …

Evolutionary history of the human multigene families reveals widespread gene duplications throughout the history of animals

N Pervaiz, N Shakeel, A Qasim, R Zehra… - BMC Evolutionary …, 2019 - Springer
Background The hypothesis that vertebrates have experienced two ancient, whole genome
duplications (WGDs) is of central interest to evolutionary biology and has been implicated in …

An insight into the evolutionary history of human MHC paralogon

R Naz, S Tahir, AA Abbasi - Molecular phylogenetics and evolution, 2017 - Elsevier
The vertebrate genome contains several closely spaced sets of paralogous genes from
distinct gene families on typically two, three or four different chromosomes (paralogons) …

Unraveling ancient segmental duplication events in human genome by phylogenetic analysis of multigene families residing on HOX-cluster paralogons

AA Abbasi - Molecular Phylogenetics and Evolution, 2010 - Elsevier
BACKGROUND: Vertebrate genomes contain extensive intra-genomic conserved synteny,
which is the presence of similar set of genes on two or more chromosomes (paralogons) …

Polyploid origin of the human genome

M Kasahara - eLS, 2013 - Wiley Online Library
Accumulated evidence indicates strongly that two rounds of whole-genome duplication (2R-
WGD) took place in the vertebrate lineage after its separation from invertebrate chordates; …

2R or not 2R: testing hypotheses of genome duplication in early vertebrates

AL Hughes, R Friedman - … Evolution: Gene and Genome Duplications and …, 2003 - Springer
The widely popular hypothesis that there were two rounds of genome duplication by
polyploidization early in vertebrate history (the 2R hypothesis) has been difficult to test until …

Integrating large-scale phylogenetic datasets to dissect the ancient evolutionary history of vertebrate genome

S Ambreen, F Khalil, AA Abbasi - Molecular phylogenetics and evolution, 2014 - Elsevier
Background The vertebrate genome often contains closely spaced set of paralogous genes
from distinct gene families on typically two, three or four different chromosomes …

Coparalogy: physical and functional clusterings in the human genome

C Popovici, M Leveugle, D Birnbaum… - … and biophysical research …, 2001 - Elsevier
Two rounds of large-scale duplications are thought to have occurred in early vertebrate
ancestry; this is now known as the “2R hypothesis.” They have led to the constitution of …

Two rounds of whole genome duplication in the ancestral vertebrate

P Dehal, JL Boore - PLoS biology, 2005 - journals.plos.org
The hypothesis that the relatively large and complex vertebrate genome was created by two
ancient, whole genome duplications has been hotly debated, but remains unresolved. We …