Genetic diversity of the rare Asian plant, Trigonobalanus doichangensis (Fagaceae)
Sun, Weibang; Han, Chunyan; Gao, Lianming; Wilson, Carol A.
2007
发表期刊AUSTRALIAN JOURNAL OF BOTANY
ISSN0067-1924
卷号55期号:1页码:10-17
摘要Trigonobalanus doichangensis is a national rare and endangered fagaceous plant of China. It is currently restricted to five sites, four in Yunnan province in south-western China and one in northern Thailand. We investigated the genetic diversity of T. doichangensis to provide information for the effective preservation of the genetic diversity of the species. Randomly amplified polymorphic DNA ( RAPD) markers were used to assess the genetic variation and structure in each of the five extant populations. Sixteen primers produced 157 fragments, of which 83 ( 53%) were polymorphic. The estimated species diversity of T. doichangensis, although lower than for most fagaceous species, was within the range of values that have been reported for the family. The presence of private and/or uncommon fragments in each population, the presence of unique phenotypes in all individuals sampled, and estimates of relatively high populational fixation and low gene flow indicated that the species diversity present was mostly distributed among the five isolated extant populations. Pairwise genetic distances between populations were not correlated with geographical distances as depicted by the resolution of one of the Chinese populations as most similar to the Thailand population. Conservation of this species should include preservation of each of the five distinct extant populations.
学科领域Plant Sciences
DOI10.1071/BT05113
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000243535500002
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2549
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Nanjing Forestry Univ, Nanjing 210037, Peoples R China
3.Rancho Santa Ana Bot Garden, Claremont, CA 91711 USA
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Sun, Weibang,Han, Chunyan,Gao, Lianming,et al. Genetic diversity of the rare Asian plant, Trigonobalanus doichangensis (Fagaceae)[J]. AUSTRALIAN JOURNAL OF BOTANY,2007,55(1):10-17.
APA Sun, Weibang,Han, Chunyan,Gao, Lianming,&Wilson, Carol A..(2007).Genetic diversity of the rare Asian plant, Trigonobalanus doichangensis (Fagaceae).AUSTRALIAN JOURNAL OF BOTANY,55(1),10-17.
MLA Sun, Weibang,et al."Genetic diversity of the rare Asian plant, Trigonobalanus doichangensis (Fagaceae)".AUSTRALIAN JOURNAL OF BOTANY 55.1(2007):10-17.
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