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题名: Phylogenetic studies on the bodonid flagellates using small-subunit rRNA gene sequences
作者: Gu Xi-Wen ; Yu Yu-He (yhyu@ihb.ac.cn) ; Shen Yun-Fen
通讯作者: Yu Yu-He ; Inst Hydrobiol, Chinese Acad Sci, Wuhan, 430072, China
刊名: Acta Zootaxonomica Sinica
发表日期: 2004
卷: 29, 期:3, 页:396-405
收录类别: 其他
英文摘要: Bodonids, together with parasitic trypanosomatids, constitute a unique flagellate group with unclear relationships among taxa. To get a better understanding of bodonid relationships, a new strain of Bodo designis (Bodo designis DH) was isolated and its small subunit rRNA gene was sequenced. Phylogenetic analyses were performed using parsimony and evolutionary distance methods based on both complete sequences and conserved positions. Tree topologies showed a basal dichotomy in all obtained trees. However, apparent discrepancies were found between trees derived using different criteria. The relationships between trypanosomatids and bodonids remain unsolved. Within the bodonid subtree, the polyphyly of genus Bodo was confirmed and the separation of haematozoic Cryptobia spp. from the non-haematozoic Cryptobia helicis as different genera is considered premature. In addition, it seems that using SSU rRNA gene sequences as a phylogenetic marker is not fully satisfactory in this group.
ISSN号: 1000-0739
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18069
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Gu Xi-Wen; Yu Yu-He (yhyu@ihb.ac.cn) ; Shen Yun-Fen.Phylogenetic studies on the bodonid flagellates using small-subunit rRNA gene sequences,Acta Zootaxonomica Sinica,2004,29(3):396-405
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文件名: Phylogenetic studies on the bodonid flagellates using small-subunit rRNA gene sequences.pdf
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