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Taxonomic re-evaluation of Aphanizomenon flos-aquae NH-5 based on morphology and 16S rRNA gene sequences
Renhui Li; Wayne W. Carmichael; Yongding Liu & Makoto M. Watanabe; Carmichael, WW, Wright State Univ, Dept Biol Sci, Dayton, OH 45435 USA
2000
Source PublicationHYDROBIOLOGIA
Volume438Issue:1-3Pages:99-105
AbstractThe taxonomy of Aphanizomenon flos-aquae strain NH-5, a producer of cyanotoxins, was re-evaluated by comparison with six other Aphanizomenon strains using morphological characteristics and 16S rRNA gene sequences. Strain NH-5 was concluded to be improperly identified as Aph. flos-aquae based upon (1) lack of bundle formation in the trichomes, (2) location of akinetes next to heterocytes, (3) lower similarities (less than 97.5%) in the 16S rRNA gene sequences relative to Aph. flos-aquae strains, and (4) comparison within a phylogenetic tree constructed from 16S rRNA gene sequences. The Aphanizomenon strains investigated in this study are classified to four morphological groups as described by the classical taxonomy of Komarek & Kovacik (1989). This classification was supported from the phylogenetic results of 16S rRNA gene sequences. This study also discusses the generic boundaries between Aphanizomenon and Anabaena.
KeywordAphanizomenon Cyanobacteria 16s Rrna Morphology Sequences Taxonomy
DepartmentWright State Univ, Dept Biol Sci, Dayton, OH 45435 USA; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Natl Inst Environm Studies, Tsukuba, Ibaraki 3050053, Japan
Subject AreaMarine & Freshwater Biology
Indexed BySCI
WOS IDWOS:000166048100008
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/10054
Collection期刊论文
Corresponding AuthorCarmichael, WW, Wright State Univ, Dept Biol Sci, Dayton, OH 45435 USA
Recommended Citation
GB/T 7714
Renhui Li,Wayne W. Carmichael,Yongding Liu & Makoto M. Watanabe,et al. Taxonomic re-evaluation of Aphanizomenon flos-aquae NH-5 based on morphology and 16S rRNA gene sequences[J]. HYDROBIOLOGIA,2000,438(1-3):99-105.
APA Renhui Li,Wayne W. Carmichael,Yongding Liu & Makoto M. Watanabe,&Carmichael, WW, Wright State Univ, Dept Biol Sci, Dayton, OH 45435 USA.(2000).Taxonomic re-evaluation of Aphanizomenon flos-aquae NH-5 based on morphology and 16S rRNA gene sequences.HYDROBIOLOGIA,438(1-3),99-105.
MLA Renhui Li,et al."Taxonomic re-evaluation of Aphanizomenon flos-aquae NH-5 based on morphology and 16S rRNA gene sequences".HYDROBIOLOGIA 438.1-3(2000):99-105.
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