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题名: Occurrence of true branches in Rhizoclonium (Cladophorales, Ulvophyceae) and the reinstatement of Rhizoclonium pachydermum Kjellman
作者: Zhao, Zhi-Juan1, 2; Zhu, Huan1, 2; Hu, Zheng-Yu1; Liu, Guo-Xiang1
通讯作者: Liu, GX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
关键词: 18S rDNA ; Cladophorales ; ITS2 ; phylogeny ; Rhizoclonium pachydermum ; taxonomy
刊名: PHYTOTAXA
发表日期: 2014-04-30
卷: 166, 期:4, 页:273-284
收录类别: SCI
文章类型: Article
部门归属: [Zhao, Zhi-Juan; Zhu, Huan; Hu, Zheng-Yu; Liu, Guo-Xiang] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China; [Zhao, Zhi-Juan; Zhu, Huan] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [31270252]
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
摘要: The phylogenetic position of the freshwater green alga Rhizoclonium pachydermum ( Ulvophyceae: Cladophorales) was investigated using nuclear 18S rRNA gene and internal transcribed spacer 2 ( ITS2) sequences. This alga has been referred to as Cladophora pachyderma. Based on its morphology, it was formerly classified in the section Affines in the genus Cladophora. However, this classification was not supported by the current phylogenetic analyses, where Rhizoclonium pachydermum formed a well-supported clade with other Rhizoclonium species. We consider that Rhizoclonium possesses real branches and the most important criteria that characterize the genus are: long unbranched filaments only with rhizoid branches, or only branched at the basal region of the thallus; and cylindrical cells with few or limited numbers of nuclei.
英文摘要: The phylogenetic position of the freshwater green alga Rhizoclonium pachydermum ( Ulvophyceae: Cladophorales) was investigated using nuclear 18S rRNA gene and internal transcribed spacer 2 ( ITS2) sequences. This alga has been referred to as Cladophora pachyderma. Based on its morphology, it was formerly classified in the section Affines in the genus Cladophora. However, this classification was not supported by the current phylogenetic analyses, where Rhizoclonium pachydermum formed a well-supported clade with other Rhizoclonium species. We consider that Rhizoclonium possesses real branches and the most important criteria that characterize the genus are: long unbranched filaments only with rhizoid branches, or only branched at the basal region of the thallus; and cylindrical cells with few or limited numbers of nuclei.
关键词[WOS]: CHLOROPHYTA ; PHYLOGENY
语种: 英语
WOS记录号: WOS:000335443000003
ISSN号: 1179-3155
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20106
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Zhao, Zhi-Juan; Zhu, Huan; Hu, Zheng-Yu; Liu, Guo-Xiang.Occurrence of true branches in Rhizoclonium (Cladophorales, Ulvophyceae) and the reinstatement of Rhizoclonium pachydermum Kjellman,PHYTOTAXA,2014,166(4):273-284
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