SPERM-EGG INTERACTION--EXCITATION-ACTIVATION COUPLING
SPERM-EGG INTERACTION--EXCITATION-ACTIVATION COUPLING
批准号:
3316328
负责人:
EDWARD L CHAMBERS
金额:
$8.64万
依托单位国家:
美国
项目类别:
财政年份:
1984
资助国家:
美国
项目状态:
已结题
起止时间:
1984-09-15 至 1989-08-31
中文摘要
精子-卵子相互作用的细胞生物学将在海洋中进行检测
海胆卵,尤指关于激发海胆卵的过程
精子附着产生的卵子会导致激活。的性质
在表面施加的启动卵子兴奋的信号
精子-配基-卵子受体相互作用和/或精子和卵子的融合
膜)将被检查。传输的信号的性质
启动活化的表面将被研究。证据
到目前为止表明,这些信号涉及开机和
从特定离子通量中分离出来。这些将作为海流记录进行测量
精子附着后由电压夹住的卵子。一种组合
原子吸收、电子显微镜和电生理方法
(膜电位、电阻和电容测量、电流和
将使用电压钳分析和膜片钳技术)。
英文摘要
The cell biology of sperm-egg interaction will be examined in the sea
urchin egg, especially with respect to the process whereby excitation of
the egg resulting from sperm attachment leads to activation. The nature of
the signals exerted at the surface which initiate excitation of the egg
(sperm-ligand egg-receptor interaction and/or fusion of the sperm and egg
membranes) will be examined. The nature of the signals transmitted from
the surface which initiate activation will be investigated. The evidence
up to the present indicate that these signals involve the turning on and
off of specific ion fluxes. These will be meaasured as currents recorded
from voltage clamped eggs following sperm attachment. A combination of
atomic absorption, electron microscopic, and electrophysiological methods
(membrane potential, resistance, and capacitance measurements, current and
voltage clamp analysis, and patch clamp techniques) will be used.
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会议论文
SPERM-EGG INTERACTION: EXCITATION-ACTIVATION COUPLING
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批准号:2197772
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项目类别:
-
资助金额:$21.41万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION--EXCITATION-ACTIVATION COUPLING
-
批准号:3316323
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项目类别:
-
资助金额:$21.9万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION--EXCITATION-ACTIVATION COUPLING
-
批准号:3316329
-
项目类别:
-
资助金额:$16.78万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION: EXCITATION-ACTIVATION COUPLING
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批准号:3316331
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项目类别:
-
资助金额:$18.91万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION: EXCITATION-ACTIVATION COUPLING
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批准号:3316333
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项目类别:
-
资助金额:$20.55万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION EXCITATION-ACTIVATION COUPLING
-
批准号:3316324
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项目类别:
-
资助金额:$5.94万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION: EXCITATION-ACTIVATION COUPLING
-
批准号:3316332
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项目类别:
-
资助金额:$19.77万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION--EXCITATION-ACTIVATION COUPLING
-
批准号:3316325
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项目类别:
-
资助金额:$1.96万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION--EXCITATION-ACTIVATION COUPLING
-
批准号:3316327
-
项目类别:
-
资助金额:$11.0万
-
财政年份:1984
-
负责人:EDWARD L CHAMBERS
-
依托单位:
SPERM-EGG INTERACTION--EXCITATION-ACTIVATION COUPLING
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批准号:3316330
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项目类别:
-
资助金额:$18.13万
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财政年份:1984
-
负责人:EDWARD L CHAMBERS
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依托单位:
海外基金