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Harmful Algae Blooms in Chile and Coastal Monitoring with Metabarcoding Analysis

https://hiroshima.repo.nii.ac.jp/records/2001578
https://hiroshima.repo.nii.ac.jp/records/2001578
e0e54202-d3bd-4383-8244-338a4871ae45
名前 / ファイル ライセンス アクション
SoMiCh_Kyoko_Presentation.mp4 SoMiCh_Kyoko_Presentation.mp4 (30.3 MB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2021-11-29
タイトル
タイトル Harmful Algae Blooms in Chile and Coastal Monitoring with Metabarcoding Analysis
言語 en
作成者 Yarimizu, Kyoko

× Yarimizu, Kyoko

en Yarimizu, Kyoko

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Fujiyoshi, So

× Fujiyoshi, So

en Fujiyoshi, So

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Fuenzalida Del Rio, Gonzalo

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en Fuenzalida Del Rio, Gonzalo

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I. Mardones, Jorge

× I. Mardones, Jorge

en I. Mardones, Jorge

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Paredes-Mella, Javier

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en Paredes-Mella, Javier

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Rilling, Joaquin-Ignacio

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en Rilling, Joaquin-Ignacio

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Campos, Marco

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en Campos, Marco

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Vilugrón, Jonnathan

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en Vilugrón, Jonnathan

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Nagai, Satoshi

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Espinoza-González, Oscar

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Guzmán, Leonardo

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en Guzmán, Leonardo

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Jorquera, Milko A.

× Jorquera, Milko A.

en Jorquera, Milko A.

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Maruyama, Fumito

× Maruyama, Fumito

en Maruyama, Fumito

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
権利情報 © 2021 Kyoko Yarimizu & Fumito Maruyama
内容記述
内容記述 The dinoflagellate Alexandrium catenella is a well-known paralytic shellfish toxin producer that forms harmful algal blooms (HABs) worldwide. Blooms of this species have repeatedly brought severe marine ecological and economic damages to Chile. A clear mechanism of HABs has been a long term debate. Algal-bacterial interaction is one of the recently discussed potential drivers for HABs. The present study isolated A. catenella strain from Quellón, which has been severely impacted by frequent A. catenella blooms, to study in-situ bacterial diversity in cultured A. catenella. We investigated intact bacteria that have survived for generations in culture A. catenella, postulating that they were essential for A. catenella survival. We monitored the intact bacteria in seawater from Quellón biweekly for two years using metabarcoding analysis. Our laboratory study discovered that the dominant attached bacteria for the culture A. catenella after maintaining years were of the genus of Paraglaciecola 49.86%, Spongiibacter 10.74%, Reichenbachiella 10.01%, and Thalassospira 5.89%. Our field studies showed evidence of the frequent presence of attached Paraglaciecola in seawater in Quellón. The other three bacterial genus were occasionally detected during the two year study period. The study suggests that these bacterial taxa are candidates for playing a pivotal role in A. catenella growth.
言語 en
内容記述
内容記述タイプ Other
内容記述 XLIII Annual Meeting of the Society of Microbiology of Chile 2021 November 30 - December 2, 2021
日付
日付 2021-11-29
日付タイプ Created
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_c94f
資源タイプ conference output
旧ID 51573
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