Dissertation Research: Evolution and Endocrinology of Accelerated Metamorphosis
Dissertation Research: Evolution and Endocrinology of Accelerated Metamorphosis
批准号:
9800886
负责人:
Tyrone Hayes
金额:
$1.04万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-06-15 至 2000-05-31
中文摘要
PI:HAYES 9800886 PI的研究考察了适应沙漠的两栖动物快速变态及其激素控制的进化。新大陆的铲足蟾蜍生活在美国的沙漠中,在短暂的水池中繁殖,它们在不到两周的时间里极快地蜕变,这对避免干燥很重要。与新大陆铲足蟾蜍最近的亲戚是欧洲、亚洲和北非的旧大陆铲足蟾蜍和欧芹蛙,并且不知道它们有快速的变态。PI将确定铲足蟾蜍快速变态的进化起源,并阐明允许其进化的激素机制。这项研究是第一次研究两栖动物沙漠生存的关键适应生理学-快速变态。PI正在整合自然历史,系统发育分析和实验生理学到进化的角度来看。
英文摘要
PI: HAYES 9800886 The PIs study examines the evolution of rapid metamorphosis and its hormonal control in desert-adapted amphibians. New World spadefoot toads live in American deserts and breed in ephemeral pools where their extremely rapid metamorphosis in less than two weeks is important to avoid desiccation. The closest relatives to the New World spadefoot toads are the Old World spadefoot toads and parsley frogs of Europe, Asia, and North Africa, and are not known to have rapid metamorphosis. The PIs will determine the evolutionary origin of rapid metamorphosis in spadefoot toads and elucidate the hormonal mechanism that allowed for its evolution. This research is the first to examine the physiology of a key-adaptation for amphibian desert survival -- rapid metamorphosis. The PIs are integrating natural history, phylogenetic analysis, and experimental physiology into an evolutionary perspective.
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REU Site at UC Berkeley: Integrative Biology from Molecules to Ecosystems
-
批准号:1359472
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项目类别:Continuing Grant
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资助金额:$51.05万
-
财政年份:2014
-
负责人:Tyrone Hayes
-
依托单位:
URM: Undergraduate Mentoring in Environmental Science at UCB
-
批准号:1041269
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项目类别:Standard Grant
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资助金额:$12.37万
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财政年份:2010
-
负责人:Tyrone Hayes
-
依托单位:
SGER: Characterization of Hermaphroditism in Rana Pipiens
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批准号:0315274
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项目类别:Standard Grant
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资助金额:$10.0万
-
财政年份:2003
-
负责人:Tyrone Hayes
-
依托单位:
DISSERTATION RESEARCH: Assessment of Endocrine Disruptor Effects in Anurans
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批准号:9902014
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项目类别:Standard Grant
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资助金额:$0.61万
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财政年份:1999
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负责人:Tyrone Hayes
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依托单位:
CAREER: Steroid-Mimicking Properties of Xenobiotics: Mechanisms of Action and their Role in Amphibian Declines
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批准号:9513362
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项目类别:Continuing Grant
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资助金额:$54.94万
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财政年份:1996
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负责人:Tyrone Hayes
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依托单位:
SYMPOSIUM: Amphibian Metamorphosis: An Integrative Approach:American Society of Zoologists Meeting in Washington, D.C., January 1996
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批准号:9529567
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项目类别:Standard Grant
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资助金额:$0.5万
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财政年份:1996
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负责人:Tyrone Hayes
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依托单位:
Steroid and Thyroid Hormone Regulated Gene Expression During Amphibian Metamorphosis
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批准号:9508996
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项目类别:Standard Grant
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资助金额:$3.5万
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财政年份:1995
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负责人:Tyrone Hayes
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依托单位:
Minority Postdoctoral Research Fellowship
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批准号:9308038
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项目类别:Fellowship Award
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资助金额:$0.0万
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财政年份:1993
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负责人:Tyrone Hayes
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依托单位:
国内基金
海外基金
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