Screening of diatoms that produce ASP toxins in Southernmost Asian waters
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 microalgaeIn order to explore the detailed distribution of N. navis-varingica that produces ASP toxins in Asian waters, a screening was made in four areas of Indonesia and a part of Malaysia. Diatom samples were collected by a plankton net. Nitzschia-like diatoms were isolated from crude pre-cultures and cultured in f/2 medium followed by HPLC-fluorescence analysis. Unlike other Asian countries, Nitzschia navis-varingica-like diatoms were rare in Indonesian and Malaysian samples, which is partly attributable to the extreme pH and salinity at some of the localities. Fifteen, six and eleven isolates were obtained from South Sulawesi, Lampung and Sangihe Island in Indonesia, respectively, none from Jakarta Bay, Indonesia and eight strains from Kota Kinabalu, Malaysia. All of the fifteen strains from South Sulawesi (Panyula) produced toxins. They produced on average 2.7 pg toxin cell(-1) with the toxin profile of DA : IB (98 : 2) similar to results on strains from Thailand and northern Japan. This toxin production was confirmed by LC-MS/MS analysis. These toxin-producing strains were identified as N. navis-varingica. Eleven sub-strains of a single parental strain showed the same toxin profile (on average 1.1 pg toxin cell(-1), DA: IB=94 : 6). The remaining Nitzschia strains did not produce ASP toxins. Twenty isolates of Pseudo-nitzschia from Lampung Bay were not found to produce ASP toxins.
- 2012-03-20
著者
-
児玉 正昭
School Of Fisheries Sciences Kitasato University
-
Kotaki Y
School Of Fisheries Sciences Kitasato University
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〕
- Possible occurrence of intracellular bacteria in Pseudonitzschia multiseries, a causative diatom of amnesic shellfish poisoning
- 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