Ecophysiology of the Hydrothermal Vent Tubeworm Riftia Pachyptila
热液喷口管虫 Riftia Pachyptila 的生态生理学
基本信息
- 批准号:9011835
- 负责人:
- 金额:$ 31.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1990
- 资助国家:美国
- 起止时间:1990-11-01 至 1994-10-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This research project concentrates on the biology of the hydrothermal vent tubeworm, Riftia pachyptila. This animal contains symbiotic chemoautotrophic bacteria which appear to supply all of the nutrition for this gutless host. It is the only member of the phyla Vestimentifera and Pogonophora accessible for detailed ecophysiological studies. Studies will concentrate on the ways this species is able to utilize the inorganic carbon dioxide of the surrounding sea water to produce directly a major portion of the biomass of this community. The 3 major research areas to be investigated are: a) metabolic pathways involved in the transport of carbon dioxide from the plume to the symbiotic bacteria in the trophosome, b) the excretion of reduced organic compounds by the symbionts, and c) the possible role of bacterial cell wall material in the transfer of carbon to the host. To accomplish these research goals studies will utilize whole animals maintained in high pressure aquaria immediately after collection, perfused tissue preparations, and purified symbiotic bacteria. The main tool used in this research is incubation with radioactive markers (and sometimes metabolic inhibitors) with a subsequent identification of the metabolites in which these markers have been incorporated.
这个研究项目集中在生物学的 热液喷口管虫,Riftia pachyptila。 这种动物 含有共生的化能自养细菌, 为这个没种的宿主提供所有的营养 是 只有一种属于毛蕊花门和毛蕊花门 进行详细的生理生态学研究。 研究将集中在这个物种能够 利用周围海水中的无机二氧化碳, 直接生产大部分的生物质, 社区 需要调查的3个主要研究领域是:a) 参与二氧化碳运输的代谢途径 从羽流到滋养体中的共生细菌,B) 通过共生体排泄还原的有机化合物,以及 c)细菌细胞壁材料在细菌生长中的可能作用 将碳转移到宿主。 为了实现这些研究目标,研究将利用整个 动物保持在高压水族馆后立即 收集、灌注组织制备和纯化的共生体 细菌 在这项研究中使用的主要工具是孵化与 放射性标记物(有时是代谢抑制剂), 随后鉴定代谢物, 标记已被纳入。
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)
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Horst Felbeck其他文献
Inorganic carbon uptake in hydrothermal vent tubeworms facilitated by high environmental pC02
在高环境 pC02 促进下热液喷口管虫对无机碳的吸收
- DOI:
10.1038/362147a0 - 发表时间:
1993-03-11 - 期刊:
- 影响因子:48.500
- 作者:
James J. Childress;Raymond W. Lee;Nancy K. Sanders;Horst Felbeck;Daniel R. Oros;André Toulmond;Daniel Desbruyeres;Mahlon C. Kennicutt;James Brooks - 通讯作者:
James Brooks
Calvin-Benson cycle and sulphide oxidation enzymes in animals from sulphide-rich habitats
富硫化物生境中动物的卡尔文-本森循环和硫化物氧化酶
- DOI:
10.1038/293291a0 - 发表时间:
1981-09-24 - 期刊:
- 影响因子:48.500
- 作者:
Horst Felbeck;James J. Childress;George N. Somero - 通讯作者:
George N. Somero
Investigations on the role of the amino acids in anaerobic metabolism of the lugwormArenicola marina L.
- DOI:
10.1007/bf00689219 - 发表时间:
1980-06-01 - 期刊:
- 影响因子:2.200
- 作者:
Horst Felbeck - 通讯作者:
Horst Felbeck
Horst Felbeck的其他文献
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{{ truncateString('Horst Felbeck', 18)}}的其他基金
4th International Symposium on Chemosynthesis-based Ecosystems (4th CBE); June 29-July 3, 2009, Okinawa, Japan
第四届基于化学合成的生态系统国际研讨会(4th CBE);
- 批准号:
0927417 - 财政年份:2009
- 资助金额:
$ 31.5万 - 项目类别:
Standard Grant
Adaptations of Organisms at the Sulfide- and Methane-Containing Hydrothermal Areas of Deception Island, Antarctica
南极洲欺骗岛含硫化物和甲烷热液区生物的适应
- 批准号:
9811427 - 财政年份:1998
- 资助金额:
$ 31.5万 - 项目类别:
Standard Grant
Development of A Collection Device for the "Hottest" Known Animal, Alvinella Pompejana from Hydrothermal Vents
开发一种收集装置,用于收集来自热液喷口的“最热门”已知动物 Alvinella Pompejana
- 批准号:
9730878 - 财政年份:1998
- 资助金额:
$ 31.5万 - 项目类别:
Continuing Grant
Carbon Fixation and Nitrate Respiration in the Hydrothermal Vent Tubeworm Riftia Pachyptila
热液喷口管虫 Riftia Pachyptila 的碳固定和硝酸盐呼吸
- 批准号:
9314525 - 财政年份:1993
- 资助金额:
$ 31.5万 - 项目类别:
Continuing Grant
Metabolic Interactions in Animals from Hydrothermal Vent
热液喷口动物的代谢相互作用
- 批准号:
8610512 - 财政年份:1986
- 资助金额:
$ 31.5万 - 项目类别:
Continuing Grant
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