PJB-2014-287
GENETIC POPULATION STRUCTURE OF THE DESERT SHRUB SPECIES LYCIUM RUTHENICUM INFERRED FROM CHLOROPLAST DNA
HAIKUI CHEN12＄, LIYAN ZENG3＄, TAKAHIRO YONEZAWA2, XIAN REN1* AND YANG ZHONG2,4*
Abstract
Lycium ruthenicum (Solananeae), a spiny shrub mostly distributed in the desert regions of north and northwest China, has been shown to exhibit high tolerance to the extreme environment. In this study, the phylogeography and evolutionary history of L. ruthenicum were examined, on the basis of 80 individuals from eight populations. Using the sequence variations of two spacer regions of chloroplast DNA (trnH-psbA and rps16-trnK) , the absence of a geographic component in the chloroplast DNA genetic structure was identified (GST = 0.351, NST = 0.304, NST
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