Gene and genome trees conflict at many levels.

Leanne S Haggerty, Fergal J Martin, David A Fitzpatrick, James O McInerney

Department of Biology, The National University of Ireland, , Maynooth, County Kildare, Ireland.

Journal Article: Philosophical Transactions of The Royal Society B Biological Sciences (impact factor: 5.12). 09/2009; 364(1527):2209-19. DOI: 10.1098/rstb.2009.0042

Abstract

Horizontal gene transfer (HGT) plays a significant role in microbial evolution. It can accelerate the adaptation of an organism, it can generate new metabolic pathways and it can completely remodel an organism's genome. We examine 27 closely related genomes from the YESS group of gamma proteobacteria and a variety of four-taxon datasets from a diverse range of prokaryotes in order to explore the kinds of effects HGT has had on these organisms.

Source: PubMed

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Keywords

four-taxon datasets
 
Horizontal gene transfer
 
kinds
 
microbial evolution
 
organism's genome
 
organisms
 
prokaryotes
 
significant role
 
YESS group