Pseudo-nitzschia species, a possible causative organism of domoic acid in Spondylus versicolor collected from Nha Phu Bay, Khanh Hoa Province, Vietnam
スポンサーリンク
概要
- 論文の詳細を見る
Proceedings of the Horiba International Conference "New Direction of Ocean Research in the Western Pacific" : Past, Present and Future of UNESCO/IOC/WESTPAC Activity for 50 years and the JSPS Project "Coastal Marine Science"Section I: Research Articles/Harmful microalgaeRecently, it was reported that a significant level of domoic acid, a causative toxin of amnesic shellfish poisoning (ASP), was detected in bivalves belonging to the genus Spondylus collected from various tropical areas, including Vietnam, whereas no significant domoic acid was detected in other bivalve species. These facts suggest that the causative plankton species for domoic acid occur widely in tropical waters and that Spondylus spp. accumulate domoic acid more effectively than other bivalve species. In the monitoring on seasonal change of domoic acid levels in S. vesicolor and plankton net samples in Nha Phu Bay, Vietnam, domoic acid level of S. versicolor was found to increase when domoic acid was detected in the plankton net samples. Under light microscopic observation of the plankton samples, cells of Pseudo-nitzschia spp., the size of which was smaller than toxic Pseudo-nitzschia such as P. multiseries, were observed. When the plankton net samples were fractionated by successive filtration through the sieves and membrane filters with different pore sizes, most of the domoic acid was recovered in the particle fraction with smallest size (0.6-10μm). Some strains of unicellular cultures established from the cells in this fraction showed the production of domoic acid, though the productivity was low. All the domoic acid-producing strains seemed to be the same species. These results indicate that Pseudo-nitzschia species is also causative for domoic acid in tropical bivalves.
- 2012-03-20
著者
-
児玉 正昭
School Of Fisheries Sciences Kitasato University
-
Dao Viet
National Institute Of Oceanography 01 Cau Da Nha Trang
関連論文
- Frequent occurrence of the tetrodotoxin-bearing horseshoe crab Carcinoscorpius rotundicauda in Vietnam
- ベトナム カンフォア県 ニャフー湾における小型プランクトン中のドウモイ酸
- 世界で問題となっている貝毒の状況と特性 (特集 毒を知って毒を制す)
- 麻ひ性貝毒とチオール化合物の複合体 有毒渦鞭毛藻の捕食による貝類の毒化機構に新たな視点
- 68(P45) 麻痺性貝毒ゴニオトキシン類のチオールによる還元的変換 : 反応中間体の同定とその反応機構について(ポスター発表の部)
- 貝類毒化モニタリングの現状と問題点(シンポジウム:増養殖漁場の海洋環境をめぐる諸問題)
- ヒメエゾボラNeptunea arthriticaのテトロドトキシン含有餌料による毒化〔英文〕
- インドネシア・ジャカルタ湾、ウジュンパンダン沖及びフローレス島ラランツカの表層堆積物中の過鞭毛藻シスト:Pyrodinium bahamenseに注目して
- Seasonal variation of domoic acid in bivalve Spondylus versicolor in association with that in plankton samples in Nha Phu Bay, Khanh Hoa, Vietnam
- Occurrence of domoic acid in tropical bivalves
- Domoic acid in a bivalve Spondylus cruentus in Nha Trang Bay, Khanh Hoa Province, Vietnam
- Screening of diatoms producing domoic acid and its derivatives in the Philippines
- New stage of the study on domoic acid-producing diatoms : A finding of Nitzschia navis-varingica that produces domoic acid derivatives as major toxin components
- Seasonal variation of paralytic and amnesic shellfish toxicities in bivalves and microalgae in Haiphong area, Vietnam
- Wide distribution of Nitzschia navis-varingica, a new domoic acid-producing benthic diatom found in Vietnam
- ニジマスに対する亜鉛の急性毒性〔英文〕
- Accumulation of paralytic shellfish poisoning toxins in bivalves and an ascidian fed on Alexandrium tamarense cells
- 有毒微細藻類 (総特集 有毒微細藻類)
- Formation of intermediate conjugates in the reductive transformation of gonyautoxins to saxitoxins by thiol compounds
- 淡水産フグTetrodon leiurusの毒性〔英文〕
- 卜畜血液加水分解物の調味液への応用
- ホタテガイの抗菌性物質,アクリル酸〔英文〕
- 数種海産巻貝卵巣中の胆汁色素タンパク〔英文〕
- Alexandrium tamarenseにより毒化したホタテガイにおけるPSP生産細菌の存在(シンポジウム「Marine Ecophysiology)
- 平成19年度日本水産学会賞(麻痺性貝毒に関する化学・生化学的研究)受賞者 : 大島泰克氏
- 麻痺性貝毒成分の化学と生物学 (総特集 有毒微細藻類)
- 麻ひ性貝毒およびテトロドトキシンによる魚介類の毒化機構に関する研究
- 特集 二枚貝の毒にご用心!!
- ウナギのハプトグロビンに関する研究-4-ハプトグロビンとヘモグロビンの結合挙動-2-〔英文〕
- ウナギのハプトグロビンに関する研究-III : ハプトグロビンとヘモグロビンの結合挙動(1)
- ウナギのハプトグロビンに関する研究-2-物理化学的性状〔英文〕
- ウナギのハプトグロビンに関する研究-1-単離精製〔英文〕
- Screening of diatoms that produce ASP toxins in Southernmost Asian waters
- Pseudo-nitzschia species, a possible causative organism of domoic acid in Spondylus versicolor collected from Nha Phu Bay, Khanh Hoa Province, Vietnam
- Two new ASP toxin production types in strains of Nitzschia navis-varingica from the Philippines
- Vulnerability of tropical shellfishes against PSP contamination during bloom of Pyrodinium bahamense var. compressum
- High individual variation in the toxicity of three species of marine puffer in Vietnam
- High individual variation in the toxicity of three species of marine puffer in Vietnam