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题名: Phylogenetic relationship of an extremely endangered species, Pinus squamata (Pinaceae) inferred from four sequences of the chloroplast genome and ITS of the nuclear ribosomal DNA
作者: Zhang, ZY; Yang, JB; null(李德铢)
刊名: ACTA BOTANICA SINICA
关键词: Pinus squamata ; phylogenetic relationship ; rbc L ; mat K ; rpl20-rps 18 ; trn V ; ITS
英文摘要: Pinus squamata X. W. Li, a recently-described species of the Pinaceae, is an extremely endangered pine with only 32 individuals in the wild. This species was thought to be intermediate between P. bungeana Zuec. ex Endl. of subgen. Strobus and P. yunnanensis Franch. of subgen. Pinus by the original author. We made an effort to address the question of the phylogenetic relationship of this peculiar and important species in the context of the major groups of the genus Pinus by using sequences of the rbcL, matK,genes, rpl20-rps18 spacer, trnV intron of the chloroplast genome and the nuclear ribosomal ITS region. The results of the separated analysis and the combined analysis of the four cpDNA sequences and ITS sequence indicated that P. squamata was a stable member of subsect. Gerardianae and P. gerardiana Wall. was the closest species of P. squamata phylogenetically. As a result, the causes of the distribution pattern of subsect. Gerardianae were also discussed.
出版日期: 2003-05-01
卷号: 45, 期号:5, 页码:530-535
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/11161
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Lab Plant Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Jiangxi Agr Univ, Coll Agr, Nanchang 330045, Peoples R China

Recommended Citation:
Zhang, ZY; Yang, JB; Li, DZ.Phylogenetic relationship of an extremely endangered species, Pinus squamata (Pinaceae) inferred from four sequences of the chloroplast genome and ITS of the nuclear ribosomal DNA,ACTA BOTANICA SINICA,2003,45(5):530-535
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