Host-to-parasite Gene Transfer in Flowering Plants: Phylogenetic Evidence from Malpighiales

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Host-to-parasite Gene Transfer in Flowering Plants: Phylogenetic Evidence from Malpighiales

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Title: Host-to-parasite Gene Transfer in Flowering Plants: Phylogenetic Evidence from Malpighiales
Author: Davis, Charles Cavender; Wurdack, Kenneth J.

Note: Order does not necessarily reflect citation order of authors.

Citation: Davis, Charles C., and Kenneth J. Wurdack. 2004. Host-to-parasite gene transfer in flowering plants: phylogenetic evidence from Malpighiales. Science 305(5684): 676—678.
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Abstract: Horizontal gene transfer (HGT) between sexually unrelated species has recently been documented for higher plants, but mechanistic explanations for HGTs have remained speculative. We show that a parasitic relationship may facilitate HGT between flowering plants. The endophytic parasites Rafflesiaceae are placed in the diverse order Malpighiales. Our multigene phylogenetic analyses of Malpighiales show that mitochrodrial (matR) and nuclear loci (18S ribosomal DNA and PHYC) place Rafflesiaceae in Malpighiales, perhaps near Ochnaceae/Clusiaceae. Mitochondrial nad1B-C, however, groups them within Vitaceae, near their obligate host Tetrastigma. These discordant phylogenetic hypotheses strongly suggest that part of the mitochondrial genome in Rafflesiaceae was acquired via HGT from their hosts.
Published Version: doi:10.1126/science.1100671
Other Sources: http://www.people.fas.harvard.edu/~ccdavis/pdfs/Davis_Wurdack_Science_2004.pdf
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:5241355

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  • FAS Scholarly Articles [7374]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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