Korean J. Pl. Taxon. 2012; 42(1): 13-23.
Molecular evolution of cpDNA trnL-F region in Korean Thalictrum L. (Ranunculaceae) and its phylogenetic relationships: Impacts of indel events
한국산 꿩의다리속(미나리아재비과)의 cpDNA trnL-F 지역의 분자진화와 유연관계: Indel events의 영향
박성준 , 김혁진 , 박선주
ABSTRACT
The trnL-F region islocated in the large single-copy region of the chloroplast genome. It consists of the trnL gene, the trnL intron, and the trnL-F IGS. Molecular evolution and phylogenetic relationships in Korean Thalictrum L. were investigated using data from the cpDNA trnL-F region. Bayesian and parsimony analyses of the data set with the gap characteristics recovered well-resolved trees that are topologically similar, with clades supported by some indels evolution. Indel events of cpDNA trnL-F in Korean Thalictrum were interpreted as phylogenetically informative characteristics. Sect. Physocarpum (excluding T. osmorhizoides) was an early-diverging group with in the genus and the remaining section formed strongly supported clades. Korean Thalictrum has various evolutionary patterns, such as the spatial distribution of the nucleotide diversity and transversion-type base substitutions in the trnL-F region.
Keywords :
gap characters, Thalictrum L., molecular evolution, relationship
