Doctoral Dissertation Research: Trabecular and cortical skeletal correlates to locomotor ontogeny in hominoids
博士论文研究:小梁和皮质骨骼与人科动物的运动个体发育相关
基本信息
- 批准号:1945692
- 负责人:
- 金额:$ 3.12万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-03-15 至 2023-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The growth and development of the human skeleton is affected by the way it is used across the life course. In order to understand how human skeletal development evolved, it is useful to study skeletal development in other closely related primates. The goal of this doctoral dissertation project is to investigate how changes in locomotion across the chimpanzee life course are reflected in the skeleton. Chimpanzees change from moving mostly in the trees when they are young to moving more on the ground as they age, providing an opportunity to examine how chimpanzee trabecular (spongy) and cortical (compact) bone are modified as locomotion changes across the life course. The research will contribute to our understanding of bone biology, specifically the sensitivity of the skeleton to changes in movement throughout life, which can be used to better reconstruct the locomotion of extinct fossil apes and humans, particularly the evolution of terrestriality. This research will be used in K-12 science outreach and exhibited at natural history museums. CT scans and 3D prints of Pan troglodytes and fossil hominoids (apes) will also be part of an international exhibit focused on ape evolution and conservation. All CT scans generated from this project will be shared with the museums where the data were collected, furthering scientific access and inquiry. Bones are a crucial source of data from the fossil record because they undergo modification in response to the mechanical loads placed upon them during movement (e.g. walking, running, climbing). However, most studies to date focus on either trabecular or cortical bone and not the two together in one study. Chimpanzees modify how they move through their life, shifting from more arboreal to more terrestrial substrates from infancy to adulthood. Thus, if the skeleton is responding to these changes, the investigators hypothesize that these transitions will be detectable in trabecular and cortical bone. This study will also address whether both bone types respond to locomotor changes during development, and will apply these findings to other species, extant and fossil, to help in recovering patterns of movement and substrate usage. These questions will be addressed using microCT scans of trabecular bone in the fore- and hindlimb as well as pQCT scans of cortical bone in the shaft of the femur, tibia, humerus, and radius. The prediction is that trabecular and cortical bone at each life history stage will reflect the locomotor behaviors used at that time. By further studying the relationship between ontogenetic changes in behavior and cortical and trabecular bone structure, novel anatomical proxies sensitive to loading patterns may be identified and used to reconstruct the locomotor repertoires of fossil apes and humans.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
人类骨骼的生长和发育受到其在整个生命过程中使用方式的影响。 为了了解人类骨骼发育是如何进化的,研究其他密切相关的灵长类动物的骨骼发育是有用的。这个博士论文项目的目标是研究黑猩猩生命历程中运动的变化如何反映在骨骼上。黑猩猩从年轻时主要在树上移动到随着年龄的增长更多地在地面上移动,这为研究黑猩猩的骨小梁(海绵状)和皮质(致密)骨如何随着生命过程中运动的变化而改变提供了机会。这项研究将有助于我们理解骨骼生物学,特别是骨骼对整个生命过程中运动变化的敏感性,这可以用来更好地重建已灭绝的化石猿和人类的运动,特别是陆生动物的进化。这项研究将用于K-12科学推广,并在自然历史博物馆展出。Pan troglodytes和化石类人猿(猿)的CT扫描和3D打印也将成为国际展览的一部分,重点是猿的进化和保护。该项目产生的所有CT扫描将与收集数据的博物馆共享,以促进科学访问和查询。骨骼是化石记录的重要数据来源,因为它们在运动(例如行走,跑步,攀爬)期间会对施加在它们身上的机械载荷做出反应。然而,迄今为止,大多数研究集中在骨小梁或皮质骨,而不是在一项研究中将两者结合起来。黑猩猩改变了它们的生活方式,从婴儿期到成年期,它们从更多的树栖环境转向更多的陆地环境。因此,如果骨骼对这些变化有反应,研究人员假设这些转变在骨小梁和皮质骨中是可检测到的。这项研究还将探讨这两种骨骼类型是否会对发育过程中的运动变化做出反应,并将这些发现应用于其他物种,包括现存物种和化石物种,以帮助恢复运动模式和基质使用。这些问题将通过对前肢和后肢骨小梁的microCT扫描以及对股骨、胫骨、肱骨和桡骨干皮质骨的pQCT扫描来解决。预测是,在每个生活史阶段的骨小梁和皮质骨将反映当时使用的运动行为。通过进一步研究个体发育的行为变化和皮质骨和骨小梁结构之间的关系,新的解剖学代理敏感的负荷模式可能会被确定,并用于重建化石猿和human.This奖项反映了NSF的法定使命,并已被认为是值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估的支持。
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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Laura MacLatchy其他文献
A new lorisid humerus from the early miocene of Uganda
- DOI:
10.1007/bf02381882 - 发表时间:
1997-10-01 - 期刊:
- 影响因子:1.500
- 作者:
Daniel L. Gebo;Laura MacLatchy;Robert Kityo - 通讯作者:
Robert Kityo
Dentognathic remains of an <em>Afropithecus</em> individual from Kalodirr, Kenya
- DOI:
10.1016/j.jhevol.2013.05.001 - 发表时间:
2013-08-01 - 期刊:
- 影响因子:
- 作者:
James B. Rossie;Laura MacLatchy - 通讯作者:
Laura MacLatchy
The influence of multiple variables on bipedal context in wild chimpanzees: implications for the evolution of bipedality in hominins
多个变量对野生黑猩猩双足环境的影响:对古人类双足进化的影响
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:3
- 作者:
L. Sarringhaus;Ryan Srivastava;Laura MacLatchy - 通讯作者:
Laura MacLatchy
Laura MacLatchy的其他文献
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{{ truncateString('Laura MacLatchy', 18)}}的其他基金
Ecological determinants and arboreal feeding positional behaviors in Pan troglodytes, with implications for hominoid evolution
泛穴居动物的生态决定因素和树栖进食位置行为,对类人猿进化的影响
- 批准号:
1850328 - 财政年份:2019
- 资助金额:
$ 3.12万 - 项目类别:
Standard Grant
HRRBAA: Development of New Early Miocene Sites in Northern Uganda
HRRBAA:乌干达北部新的早中新世遗址的开发
- 批准号:
1208369 - 财政年份:2013
- 资助金额:
$ 3.12万 - 项目类别:
Standard Grant
IPG: Collaborative Research: Research on East African Catarrhine and Hominoid Evolution
IPG:合作研究:东非卡他林和类人猿进化研究
- 批准号:
1241811 - 财政年份:2012
- 资助金额:
$ 3.12万 - 项目类别:
Standard Grant
Doctoral Dissertation Improvement Grant: The Locomotor Ontogeny of Pan
博士论文改进补助金:潘的运动个体发育
- 批准号:
0850951 - 财政年份:2009
- 资助金额:
$ 3.12万 - 项目类别:
Standard Grant
Doctoral Dissertation Improvement: Vertical Climbing Adaptations in the Talocrural Joint of Hominoids and Hominins
博士论文改进:类人猿和古人类距脚关节的垂直攀爬适应
- 批准号:
0751010 - 财政年份:2008
- 资助金额:
$ 3.12万 - 项目类别:
Standard Grant
Paleontological Research in the Lower Miocene of Northeast Uganda
乌干达东北部下中新世的古生物学研究
- 批准号:
0456589 - 财政年份:2004
- 资助金额:
$ 3.12万 - 项目类别:
Standard Grant
Paleontological Research in the Lower Miocene of Northeast Uganda
乌干达东北部下中新世的古生物学研究
- 批准号:
0215877 - 财政年份:2002
- 资助金额:
$ 3.12万 - 项目类别:
Standard Grant
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