Application of a quantitative PCR method for monitoring of geosmin-producing Anabaena spp. in a Japanese reservoir

Yoshihisa Akamatsu, Ryohei Nakao, Hiromu Motozawa, Koji Furukawa, Yoshihisa Kurita

研究成果: ジャーナルへの寄稿学術誌査読

1 被引用数 (Scopus)

抄録

Cyanobacteria blooms occur frequently in lakes and reservoirs worldwide and the blooms are often accompanied by changes in the taste and odor of the water caused by cyanobacterial metabolites, such as geosmin. The amount of geosmin in drinking water in Japan is limited legally and requires regular monitoring. The approaches for detecting geosmin are generally based on gas chromatography–mass spectrometry (GC/MS), which requires experienced personnel or sophisticated instrumentation. Here, we applied a TaqMan probe method for detecting geosmin-producing cyanobacteria, Anabaena (Dolichospermum) spp. in a Japanese reservoir. Quantitative PCR amplification using the methods which targeted geosmin synthase gene, worked successfully and the DNA concentrations may correspond with both the number of Anabaena spp. cells and the geosmin concentration. The tests of suitable glass microfiber filters for monitoring Anabaena spp. revealed that the samples filtered through GF/D (particle retention size 2.7 µm) yielded significantly higher concentrations of Anabaena DNA compared with the samples filtered through the GF/F and GF/A.

本文言語英語
ページ(範囲)87-93
ページ数7
ジャーナルLandscape and Ecological Engineering
19
1
DOI
出版ステータス出版済み - 1月 2023

!!!All Science Journal Classification (ASJC) codes

  • 生態学
  • 自然保全および景観保全
  • マネジメント、モニタリング、政策と法律

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