Words similar to ancestor

Example sentences for: ancestor

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There would have been selective pressure to develop an arsenate reductase that could change this arsenate to arsenite, and this early evolution of an arsC -like ancestor coupled with sequence divergence and HGT would result in the diversity and widespread distribution of arsC genes seen in microorganisms today.
This supports the view that Buchnera was derived through loss of genes from an ancestor similar to E. coli, a conclusion also reached by Shigenobu et al.
This phylogenetic tree topology resembles that of several proteins involved in core cellular functions such as the DNA recombinase RecA, aminoacyl tRNA synthetases, RNA polymerase and other RNA metabolism proteins [ 21 22 23 ] . This suggests that a CYTH domain was present in the last universal common ancestor of all extant life forms and the extant forms are in part vertically inherited from this ancestral form.
Inclusion of a gene in the ancestor was not dependent on its presence in all the descendant taxa, as a gene could be ancestral but lost from some lineages or acquired after the ancestor but before divergence of some descendant taxa.
Therefore, to be retained in the ancestor, an ortholog had to be present in at least one of the close relatives of E. coli ( S. enterica sv.