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题名: Photosymbiodemes Sticta wrightii and Dendriscocaulon sp (lichenized Ascomycota) from Yunnan, China
作者: Takahashi, Kanae; Wang, Li-Song; Tsubota, Hiromi; Deguchi, Hironori
刊名: JOURNAL OF THE HATTORI BOTANICAL LABORATORY
关键词: photosymbiodeme ; Sticta wrightii ; Dendriscocaulon ; internal transcribed spacer (ITS) ; molecular phylogeny
英文摘要: The genetic identity of the mycobionts of the photosymbiodemes Sticta wrightii (chloromorph) and Dendriscocaulon sp. (cyanomorph) collected from Yunnan, China were compared and morphological descriptions provided. The relationships of Dendriscocaulon with the closely related genera Lobaria, Sticta and Pseudocyphellaria have been clarified using phylogenetic analysis based on the sequence of the internal transcribed spacer (ITS) regions of the nuclear rDNA. The ITS rDNA phylogenies suggest that the mycobionts of Dendriscocaulon sp. and S. wrightii belong to a single species. The ITS regions of the S. wrightii and Dendriscocaulon sp. have highly variable sites between sequences. The sequences of S. wrightii and Dendriscocaulon sp. of the composite thallus have 100% homologies in the ITS1 and ITS2 regions. Furthermore, our investigation demonstrates the polyphyly of Sticta based on phylogenetic analysis and shows two distinct clades corresponding to S. wrightii and the Dendriscocaulon sister to Ricasolia s.l. group, and the other species of Sticta in the large Lobariaceae clade.
出版日期: 2006-08-01
期号: 100, 页码:783-796
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 0073-0912
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3014
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Hiroshima Univ, Grad Sch Sci, Dept Biol Sci, Higashihiroshima, Hiroshima 7398526, Japan
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China

Recommended Citation:
Takahashi, K; Wang, LS; Tsubota, H; Deguchi, H.Photosymbiodemes Sticta wrightii and Dendriscocaulon sp (lichenized Ascomycota) from Yunnan, China,JOURNAL OF THE HATTORI BOTANICAL LABORATORY,2006,(100):783-796
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