Phylogenetic relationships and maternal donor of Hystrix and Leymus species as revealed by chloroplast atpB-rbcL sequences

Abstract

Abstract: The phylogenetic relationships and maternal donor of species in the genera Hystrix and Leymus were investigated by analysing the chloroplast atpB-rbcL sequences for five taxa of Hystrix, 22 species of Leymus (NsXm), together with two species of Elymus (StH) and 17 related diploid species from 8 genera. Maximum Parsimony (MP) and Bayesian Inference (BI) were used for phylogenetic analysis. 1) H. patula was closely related to Elymus, and the maternal donor of H. patula was the St genome; 2) H. duthiei and H. duthiei ssp. longearistata were closely related to the Eurasia Leymus, and the maternal donors of them were the Ns genome from Psathyrostachys; 3) H. coreana and H. komarovii were closely related to the Leymus species in North America, and their maternal donors could be the Xm genome. Thus, it is reasonable to transfer H. patula from Hystrix to Elymus, and to combine H. duthiei, H. duthiei ssp. longearistata, H. coreana, and H. komarovii into Leymus.

CLC Number:

Q945.4

LIU Jing, ZHANG Hai-qin, FAN Xing, SHA Li-na, ZENG Jian, ZHOU Yong-hong. Phylogenetic relationships and maternal donor of Hystrix and Leymus species as revealed by chloroplast atpB-rbcL sequences[J]. Acta Prataculturae Sinica, 2012, 21(5): 77-85.

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