Nutritional types of the causative organisms of diarrhetic shellfish poisonings

腹泻性贝类中毒致病菌的营养类型

基本信息

  • 批准号:
    06660231
  • 负责人:
  • 金额:
    $ 1.34万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)
  • 财政年份:
    1994
  • 资助国家:
    日本
  • 起止时间:
    1994 至 1995
  • 项目状态:
    已结题

项目摘要

Some species of the causative dinoflagellate of diarrhetic shellfish poisonings, Dinophysis spp.are known to have orange fluorescence of phycobilin and thought to keep cryptophyceans in their cells as simbionts. In the previous study, we detected that Dinopysis spp.ingest a cryptophycean, Plagioselmis sp.but we could not keep Dinophysis in mixed culture with it.In this study, we tried to confirm the nutritional type of Dinophysis acuminata by culturing with some isolates of nanoflagellates and/or organic nutrients. Samplings of D.acuminata and other nanoflagellates have been conducted monthly in Tokyo Bay. Six strains of Plagioselmis spp.and two strains of prasinophyceans, Pyramimonas spp.were established. D.acuminata was inoculated into newly collected seawater containing microorganisms fractionated with various mesh-sized filter and also into filter sterilized seawater with each isolate of nanoflagellate. Some organisms in natural seawater were filmed to be ingested by D.acuminata, but no cultured nanoflagellates. D.acuminata kept their pigment longer in mixed culture than in culture media with and without organic nutrients. However, it did not show growth in culture with nanofalagellates. Slight growth was observed in culture medium with glycolic acid but D.acuminata did not survive more than two months in it.D.acuminata did not show the ingesting behavior on Plagioselmis which was seen in D.fortii and D.caudata, but it keeps cellular pigment longer in mixed culture with some strains of Plagioselmis. D.acuminata might also ingest Plagioselmis but the relationship between the behavior and the nutritional type is still obscure.
引起腹泻性贝类中毒的某些甲藻属(Dinophys spp.)已知具有藻胆素的橙色荧光,并被认为将隐藻类作为共生体保留在其细胞中。在之前的研究中,我们检测到 Dinopysis spp. 摄食一种隐藻类 Plagioselmis sp.,但我们无法将 Dinophys 与它混合培养。在本研究中,我们试图通过与一些分离物一起培养来确认 Dinophys acuminata 的营养类型。纳米鞭毛虫和/或有机营养物。东京湾每月都会对 D.acuminata 和其他纳米鞭毛虫进行采样。建立了 6 株 Plagioselmis spp. 和 2 株绿藻纲 Pyramimonas spp.。将 D.acuminata 接种到新收集的含有用各种网眼大小的过滤器分级的微生物的海水中,并且还接种到含有每种纳米鞭毛虫分离物的过滤灭菌海水中。拍摄到天然海水中的一些生物体被 D.acuminata 摄入,但没有发现培养的纳米鞭毛虫。 D.acuminata 在混合培养物中比在含有或不含有机营养素的培养基中保持色素的时间更长。然而,它在纳米鞭毛藻培养物中并未表现出生长。在含有乙醇酸的培养基中观察到轻微生长,但 D.acuminata 在其中不能存活超过两个月。D.acuminata 没有表现出在 D.fortii 和 D.caudata 中看到的对 Plagioselmis 的摄食行为,但它保留了与某些斜藻菌株混合培养时,细胞色素更长。 D.acuminata 也可能摄取 Plagioselmis,但行为与营养类型之间的关系仍然不清楚。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ monograph.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ sciAawards.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ conferencePapers.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ patent.updateTime }}

ISHIMARU Takashi其他文献

ISHIMARU Takashi的其他文献

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

{{ truncateString('ISHIMARU Takashi', 18)}}的其他基金

A reexamination of the taxonomical study of the genus Skeletonema and their spatial and temporal distribution in Japan
日本骨条属分类学研究及其时空分布的再审视
  • 批准号:
    21580222
  • 财政年份:
    2009
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Development of an improving system of bottom hypoxia in estuaries
河口底层缺氧改善系统的研制
  • 批准号:
    19580202
  • 财政年份:
    2007
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Studies on the Changes in Environment and Ecosystem in the Antarctic Ocean
南极海洋环境与生态系统变化研究
  • 批准号:
    19255014
  • 财政年份:
    2007
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Ecosystem and Oceanographic Structure in the Indian Sector of the Antarctic Ocean
南极洋印度区的生态系统和海洋结构
  • 批准号:
    14255012
  • 财政年份:
    2002
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Studies on the mechanism of the toxin production in Alexandrium spp.
亚历山大藻产毒机制的研究。
  • 批准号:
    11660182
  • 财政年份:
    1999
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Physiology and ecology of ciguatera causative dinoflagellates
雪卡致病甲藻的生理学和生态学
  • 批准号:
    02660192
  • 财政年份:
    1990
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)
Taxonomical and Ecological Studies on the Causative Dinoflagellates of Diarretic Shellfish Poisoning.
引起腹泻性贝类中毒的甲藻的分类学和生态学研究。
  • 批准号:
    61560204
  • 财政年份:
    1986
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

相似国自然基金

甲藻孢囊持续吸收磷的确证及其可能的生理学功能探索
  • 批准号:
    42376138
  • 批准年份:
    2023
  • 资助金额:
    51 万元
  • 项目类别:
    面上项目
利玛原甲藻腹泻性贝毒合成受光抑制作用位点及调控机理研究
  • 批准号:
  • 批准年份:
    2022
  • 资助金额:
    30 万元
  • 项目类别:
    青年科学基金项目
典型珊瑚礁水体甲藻的异养与寄生及其生态功能研究
  • 批准号:
  • 批准年份:
    2022
  • 资助金额:
    54 万元
  • 项目类别:
    面上项目
东南典型沿海沉积甲藻孢囊对水体富营养化和气候异常的响应研究
  • 批准号:
    42276131
  • 批准年份:
    2022
  • 资助金额:
    56 万元
  • 项目类别:
    面上项目

相似海外基金

Development of novel genetic tools for studying dinoflagellates and coral bleaching
开发用于研究甲藻和珊瑚白化的新型遗传工具
  • 批准号:
    NE/X010503/1
  • 财政年份:
    2023
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Research Grant
Illuminating luciferin bioluminescence in dinoflagellates
甲藻中的荧光素生物发光
  • 批准号:
    2890129
  • 财政年份:
    2023
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Studentship
Genotypic discrimination and phylogeography of harmful red tide causative dinoflagellates in Asian Pacific coastal waters
亚太沿海水域有害赤潮致病甲藻的基因型辨别和系统发育地理学
  • 批准号:
    23KK0117
  • 财政年份:
    2023
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Fund for the Promotion of Joint International Research (International Collaborative Research)
Species composition, toxicity and distribution of azaspiracid-producing dinoflagellates in Japanese coastal waters
日本沿海产氮杂螺酸甲藻的种类组成、毒性和分布
  • 批准号:
    22H02416
  • 财政年份:
    2022
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Dinoflagellates as indicators of changes in marine conditions in northern high latitudes
甲藻作为北部高纬度地区海洋条件变化的指标
  • 批准号:
    RGPIN-2019-06564
  • 财政年份:
    2022
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Discovery Grants Program - Individual
{{ showInfoDetail.title }}

作者:{{ showInfoDetail.author }}

知道了