ABR: Socially Monogamous Pairing: Mechanisms and Memory
ABR:社会一夫一妻制配对:机制和记忆
基本信息
- 批准号:1146891
- 负责人:
- 金额:$ 28.59万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-05-15 至 2018-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Exclusive male-female pairbonds (socially monogamous mating systems) are seen in only a few kinds of mammals and in some humans, but are a very common reproductive arrangement in birds. Yet almost nothing is known about the internal mechanisms (neurohormones, brain systems) for pairing in birds. Using a common laboratory species, the zebra finch, that forms long-lasting pair relationships, the project aims to discover these mechanisms as they operate at three different life stages to promote socially monogamous pairing: (1) early in life in nestlings when the strong tendency to form close affiliations with family members begins, (2) during juvenile life when the birds first become more interested in the opposite sex than in the parents, and (3) following adult loss of the mate (through death) when a new pair relationship with a new partner can occur. The project is aimed at determining the physiological mechanisms that promote these pair bonding behaviors. Experiments are designed to specifically test the potential involvement of neuropeptides, such as oxytocin, and the adrenal "stress" hormone, corticosterone, in facilitating pair bonding. The project will also investigate the role of corticosterone in the ability of the birds to remember and prefer their first partner even after a long period of separation. Overall, the project will solve a long-standing mystery "what makes birds like zebra finches form strong pair bonds?" It will suggest mechanisms that might apply to the thousands of other socially monogamous birds and more generally to other vertebrates. It will provide new information on mechanisms acting in birds that can be compared with mechanisms operating in socially monogamous mammals, and thus, has the potential to increase understanding of how brains and hormones produce close relationships in all animals, including humans. The project will provide training of students at all levels and will include specific activities to recruit and train women and underrepresented minorities for scientific research careers. The work will be disseminated to the public through general audience publications, a web site, and through outreach programs to middle school girls and local K-12 biology teachers.
只有少数几种哺乳动物和一些人类才有排他性的雌雄配对(社会一夫一妻制交配系统),但在鸟类中是一种非常常见的生殖安排。然而,我们对鸟类配对的内部机制(神经激素、大脑系统)几乎一无所知。利用一种常见的实验室物种,斑马雀,形成持久的配对关系,该项目旨在发现这些机制,因为它们在三个不同的生命阶段运作,以促进社会一夫一妻制配对:(1)在雏鸟生命的早期,当与家庭成员形成密切联系的强烈倾向开始时,(2)在幼年时期,鸟类开始对异性比对父母更感兴趣;(3)在成年后失去配偶(通过死亡)时,可以与新的伴侣建立新的配对关系。 该项目旨在确定促进这些配对行为的生理机制。 实验的目的是专门测试神经肽,如催产素和肾上腺“应激”激素,皮质酮,在促进配对结合的潜在参与。 该项目还将研究皮质酮在鸟类记忆和偏爱第一个伴侣的能力中的作用,即使在长时间分离之后。 总的来说,该项目将解决一个长期存在的谜团“是什么让像斑胸草雀这样的鸟类形成牢固的配对关系?”“它将提出可能适用于数千种其他社会性一夫一妻制鸟类和更普遍的其他脊椎动物的机制。 它将提供有关鸟类作用机制的新信息,这些机制可以与社会性一夫一妻制哺乳动物的机制进行比较,因此,有可能增加对大脑和激素如何在包括人类在内的所有动物中产生密切关系的理解。 该项目将为各级学生提供培训,并将包括征聘和培训妇女和代表人数不足的少数民族从事科学研究职业的具体活动。 这项工作将通过普通读者出版物、网站以及针对中学女生和当地K-12生物教师的外联方案向公众传播。
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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Elizabeth Adkins-Regan其他文献
Elizabeth Adkins-Regan的其他文献
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{{ truncateString('Elizabeth Adkins-Regan', 18)}}的其他基金
DISSERTATION RESEARCH: Hormonal Regulation of Avian Biparental Care
论文研究:鸟类双亲护理的激素调节
- 批准号:
1501336 - 财政年份:2015
- 资助金额:
$ 28.59万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: Developmental mechanisms organizing affiliative behavior and pair bonding
论文研究:组织亲和行为和配对关系的发展机制
- 批准号:
1310908 - 财政年份:2013
- 资助金额:
$ 28.59万 - 项目类别:
Standard Grant
Mechanisms of Long-Term Monogamous Relationships in Zebra Finches
斑胸草雀长期一夫一妻制关系的机制
- 批准号:
0130986 - 财政年份:2002
- 资助金额:
$ 28.59万 - 项目类别:
Standard Grant
Dissertation Research: A Functional and Mechanistic Investigation of Yolk Androgens in the European Starling (Sturnus Vulgaris)
论文研究:欧洲八哥 (Sturnus Vulgaris) 卵黄雄激素的功能和机制研究
- 批准号:
0104907 - 财政年份:2001
- 资助金额:
$ 28.59万 - 项目类别:
Standard Grant
Developmental Mechanisms of Reproductive Choice
生殖选择的发育机制
- 批准号:
9514088 - 财政年份:1996
- 资助金额:
$ 28.59万 - 项目类别:
Continuing grant
Spinal Mechanisms of Avian Reproduction
鸟类繁殖的脊髓机制
- 批准号:
8809441 - 财政年份:1988
- 资助金额:
$ 28.59万 - 项目类别:
Standard Grant
U.S.-Industrialized Countries Exchange for Scientists and Engineers, 1986/1987 Competition
美国-工业化国家科学家和工程师交流,1986/1987 年竞赛
- 批准号:
8603645 - 财政年份:1986
- 资助金额:
$ 28.59万 - 项目类别:
Standard Grant
Neuroendocrine Mechanisms of Avian Reproductive Behavior
鸟类生殖行为的神经内分泌机制
- 批准号:
8412083 - 财政年份:1984
- 资助金额:
$ 28.59万 - 项目类别:
Continuing grant
Hormones and Behavioral Development in an Altricial Bird
晚鸟的激素和行为发育
- 批准号:
8204462 - 财政年份:1982
- 资助金额:
$ 28.59万 - 项目类别:
Continuing grant
Undergraduate Laboratory in Biopsychology
生物心理学本科实验室
- 批准号:
7813538 - 财政年份:1978
- 资助金额:
$ 28.59万 - 项目类别:
Standard Grant
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