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Makoto M. Watanabe

Researcher at National Institute for Environmental Studies

Publications -  93
Citations -  4065

Makoto M. Watanabe is an academic researcher from National Institute for Environmental Studies. The author has contributed to research in topics: Phylogenetic tree & Microcystis. The author has an hindex of 32, co-authored 90 publications receiving 3890 citations. Previous affiliations of Makoto M. Watanabe include University of Tsukuba.

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First report of the cyanotoxins cylindrospermopsin and deoxycylindrospermopsin from raphidiopsis curvata (cyanobacteria)

TL;DR: A mouse bioassay did not show lethal toxicity when tested at doses up to 1500 mg dry weight cells·kg−1 body weight within 96 h, demonstrating that production of primarily deoxy‐CYN does not lead to significant mouse toxicity by strain HB1, and suggests that Raphidiopsis belongs to the Nostocaceae, but this requires confirmation by molecular systematic studies.
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Taxonomic revision of water-bloom-forming species of oscillatorioid cyanobacteria.

TL;DR: A polyphasic approach was used to clarify the taxonomy of the water-bloom-forming oscillatorioid cyanobacteria and proposed either emended or new taxonomic descriptions for Planktothrix agardhii, PlankTothrix rubescens, and Limnothrix redekei.
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Phylogenetic relationships between toxic and non‐toxic strains of the genus Microcystis based on 16S to 23S internal transcribed spacer sequence

TL;DR: Derived maximum likelihood and DNA distance trees indicated that Microcystis can be divided into three clusters, andPhylogenetic analysis based on intergenic spacer sequences was thought to be effective for understanding relationships among closely related species and strains.
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A proposal for the unification of five species of the cyanobacterial genus Microcystis Kützing ex Lemmermann 1907 under the rules of the Bacteriological Code.

TL;DR: Genomic DNA homologies were examined from six Microcystis (cyanobacteria) strains, including five different species, and it is proposed to unify these five species into M. aeruginosa.