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题名: Alkaloid polymorphism and its sequence variation in the Spiraea japonica complex (Rosaceae) in China: Traces of the biological effects of the Himalaya-Tibet plateau uplift
作者: Zhang, ZY; Fan, LM; Yang, JB; null(郝小江); Gu, ZJ
刊名: AMERICAN JOURNAL OF BOTANY
关键词: biological effects ; East Asia ; environmental heterogeneity ; Himalaya-Tibet plateau uplift ; Rosaceae ; Spiraea japonica
英文摘要: Spiraea japonica, a diverse, perennial shrubby species complex widespread across E Asia, was a useful model in a first attempt to link specific phylogeny, floristic evolution, and historical environmental changes in E Asia. DNA-based phylogenetic reconstruction served as a framework to investigate whether the patterns of variation in alkaloids and nrITS from varieties of S. japonica reflect the geological history of China and the uplifting of the Himalaya-Tibet plateau, the most significant geological event in E Asia since the late Paleocene. The high geographical structure found in the phylogenetic trees was corroborated by the distribution of alkaloids. All populations from E China, with mainly hetisine-type alkaloids, formed a single clade, sister to a clade of all populations from SW China, with mainly atisine-type alkaloids. The distribution boundary between the two clades roughly matched the floristic division between the Sino-Japanese Forest and the Sino-Himalayan Forest subkingdoms, as well as the environmental division between SW and E China, suggesting a close link between specific phylogeny, floristic evolution, and geographical changes in E Asia. The divergence between lineages at variety and population level within the eastern clade was slightly older than those within the southwestern clade, supporting the hypothesis of a northeast-southwest migration of Spiraea since the Eocene. The uplift of the Himalaya-Tibet plateau and subsequent increase in geographical complexity in SW China, could facilitate divergence maintenance, thus accelerating the evolutionary rate.
出版日期: 2006-05-01
卷号: 93, 期号:5, 页码:762-769
语种: 英语
ISSN号: 0002-9122
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/5597
Appears in Collections:离退休_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China

Recommended Citation:
Zhang, ZY; Fan, LM; Yang, JB; Hao, XJ; Gu, ZJ.Alkaloid polymorphism and its sequence variation in the Spiraea japonica complex (Rosaceae) in China: Traces of the biological effects of the Himalaya-Tibet plateau uplift,AMERICAN JOURNAL OF BOTANY,2006,93(5):762-769
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