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Last of the Human Protists: The Phylogeny and Genetic Diversity of Iodamoeba
Author(s) -
Christen Rune Stensvold,
Marianne Lebbad,
C Graham Clark
Publication year - 2011
Publication title -
molecular biology and evolution
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.637
H-Index - 218
eISSN - 1537-1719
pISSN - 0737-4038
DOI - 10.1093/molbev/msr238
Subject(s) - biology , zoology , clade , phylogenetic tree , sister group , evolutionary biology , phylogenetics , protist , genetics , gene
Iodamoeba is the last genus of obligately parasitic human protist whose phylogenetic position is unknown. Iodamoeba small subunit ribosomal DNA sequences were obtained using samples from three host species, and phylogenetic analyses convincingly placed Iodamoeba as a sister taxon to Endolimax. This clade in turn branches among free-living amoeboflagellates of the genus Mastigamoeba. Two Iodamoeba ribosomal lineages (RL1 and RL2) were detected whose sequences differ by 31%, each of which is found in both human and nonhuman hosts.

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