Open AccessMolecular evolution and phylogeny of the RPB2 gene in the genus Hordeum
Author(s) -
Genlou Sun,
Mohammad Pourkheirandish,
Takao Komatsuda
Publication year - 2009
Publication title -
annals of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.567
H-Index - 176
eISSN - 1095-8290
pISSN - 0305-7364
DOI - 10.1093/aob/mcp020
Subject(s) - biology , triticeae , phylogenetics , hordeum vulgare , hordeum , genetics , evolutionary biology , genome , botany , gene , poaceae
It is known that the miniature inverted-repeat terminal element (MITE) preferentially inserts into low-copy-number sequences or genic regions. Characterization of the second largest subunit of low-copy nuclear RNA polymerase II (RPB2) has indicated that MITE and indels have shaped the homoeologous RPB2 loci in the St and H genome of Eymus species in Triticeae. The aims of this study was to determine if there is MITE in the RPB2 gene in Hordeum genomes, and to compare the gene evolution of RPB2 with other diploid Triticeae species. The sequences were used to reconstruct the phylogeny of the genus Hordeum.
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