EAGER: Pace of Life as an emergent outcome of variation in metabolic rate at a lower level of organization

EAGER:生活节奏是组织较低级别代谢率变化的紧急结果

基本信息

  • 批准号:
    1838289
  • 负责人:
  • 金额:
    $ 30万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Individuals of different species, as well as individuals within a species, can differ in their life history along a slow-fast continuum such that those showing slower growth and delayed reproduction but higher survival are said to have a slow pace of life while those with faster growth and early reproduction with lower survival are said to have a fast pace of life. Since metabolic rate determines the rate at which an animal acquires and spends energy, it has often been considered the fundamental driver of pace of life. The influence of metabolic rate on pace of life can be complex. A higher metabolic rate, by allowing more activity and resource acquisition, can lead to a faster pace of life, but, burning more energy can also lead to a slower pace of life. Studies investigating the relationship between metabolic rate and pace of life often produce ambiguous results. The broad objective of this research is to select genetic lines of honeybees with different metabolic rates and experimentally test how differences in metabolic rate interact with resource availability to determine pace of life. Using the honeybee colony as an experimental model allows an understanding of not only how metabolic rate determines pace of life at the individual level but also how interindividual variation in metabolic rate determines pace of life at the colony level. Understanding this important relationship between metabolic rate and life history can contribute to biomedical sciences as metabolic rate critically influences various health parameters. The development and maintenance of genetic lines of bees with different metabolic rate will also be a novel biological resource for research and potentially to the beekeeping industry.Metabolic rate (MR) is often considered the fundamental rate that drives all biological processes at all levels of biological organization. A central question in biology therefore is how the functional properties at any level of organization are determined by the MR of its constituent parts. By selecting and breeding genetic lines of honeybees with different MR and creating colonies with different metabolic (rate) compositions, this research will provide an experimental test of the relationship between MR and pace of life (POL) at the individual and the colony level. The project will use an integrative approach based in genetics, physiology and behavior to ask how MR of an individual impacts its POL and its social contribution, how the POL at a group level is determined by the MR and POL of its individual members, and how MR interacts with the resource environment to regulate individual and colony POL. The integrative experimental approach combined with path analysis will allow a causal test of the connection between MR and POL, providing answers regarding the functional links that connects physiology to life history evolution. By combining measurements of MR with economic analysis of individual work contribution in a social insect colony, the research will add to our understanding regarding how interindividual variation in MR and POL scale up to drive POL at a higher level of biological organization in the evolution of eusociality.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.
不同物种的个体,以及同一物种内的个体,在生活史上可以沿着一个慢-快的连续体而不同,例如那些生长较慢、繁殖延迟但存活率较高的个体被认为生活节奏较慢,而那些生长较快、繁殖较早但存活率较低的个体被认为生活节奏较快。由于代谢率决定了动物获取和消耗能量的速度,因此它通常被认为是生活节奏的基本驱动力。代谢率对生活节奏的影响可能是复杂的。更高的代谢率,通过允许更多的活动和资源获取,可以导致更快的生活节奏,但是,燃烧更多的能量也可以导致更慢的生活节奏。研究代谢率和生活节奏之间的关系的研究往往产生模棱两可的结果。这项研究的主要目的是选择具有不同代谢率的蜜蜂遗传品系,并通过实验测试代谢率的差异如何与资源可用性相互作用,以确定生活节奏。使用蜂群作为实验模型,不仅可以了解代谢率如何决定个体水平的生活节奏,而且还可以了解代谢率的个体间差异如何决定殖民地水平的生活节奏。了解代谢率和生活史之间的这种重要关系有助于生物医学科学,因为代谢率严重影响各种健康参数。代谢率(Metabolic rate,MR)是影响蜜蜂各个层次生物学过程的基本速率,代谢率的高低直接影响着蜜蜂的生理功能,代谢率的高低直接影响着蜜蜂的生理功能。因此,生物学中的一个中心问题是,在任何组织水平上的功能特性是如何由其组成部分的MR决定的。本研究通过选择和培育具有不同MR的蜜蜂遗传系,并建立具有不同代谢(速率)组成的群体,在个体和殖民地水平上提供MR与生活节奏(POL)关系的实验测试。该项目将使用基于遗传学,生理学和行为的综合方法来询问个体的MR如何影响其POL及其社会贡献,群体水平的POL如何由其个体成员的MR和POL决定,以及MR如何与资源环境相互作用来调节个体和群体的POL。结合路径分析的综合实验方法将允许因果检验MR和POL之间的联系,提供有关生理学与生命史进化之间的功能联系的答案。通过将MR的测量与社会性昆虫群体中个体工作贡献的经济分析相结合,这项研究将增加我们对MR和POL的个体间差异如何在真社会性的进化中扩大到更高水平的生物组织中驱动POL的理解。该奖项反映了NSF的法定使命,并被认为值得通过利用基金会的智力价值和更广泛的影响审查标准。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nesting ecology does not explain slow–fast cognitive differences among honeybee species
筑巢生态学并不能解释蜜蜂物种之间的慢速和快速认知差异
  • DOI:
    10.1007/s10071-021-01515-2
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Tait, Catherine;Brockmann, Axel;Naug, Dhruba
  • 通讯作者:
    Naug, Dhruba
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Dhruba Naug其他文献

Ultimate and proximate analyses of behavioral responses
  • DOI:
    10.1016/j.oneear.2024.03.011
  • 发表时间:
    2024-04-19
  • 期刊:
  • 影响因子:
  • 作者:
    Dhruba Naug
  • 通讯作者:
    Dhruba Naug
Constraints on foraging success due to resource ecology limit colony productivity in social insects
  • DOI:
    10.1007/s00265-005-0141-5
  • 发表时间:
    2006-01-11
  • 期刊:
  • 影响因子:
    1.900
  • 作者:
    Dhruba Naug;John Wenzel
  • 通讯作者:
    John Wenzel
Olfactory discrimination of age-specific hydrocarbons generates behavioral segregation in a honeybee colony
  • DOI:
    10.1007/s00265-011-1206-2
  • 发表时间:
    2011-06-09
  • 期刊:
  • 影响因子:
    1.900
  • 作者:
    Jacob Scholl;Dhruba Naug
  • 通讯作者:
    Dhruba Naug
Neurochemical Correlates of Speed-Accuracy Trade-Off During Individual and Social Learning in Honey bees
  • DOI:
    10.1007/s10905-025-09869-y
  • 发表时间:
    2025-01-23
  • 期刊:
  • 影响因子:
    0.900
  • 作者:
    Catherine Tait;Haşim Hakanoğlu;İrem Akülkü;Christopher Mayack;Dhruba Naug
  • 通讯作者:
    Dhruba Naug

Dhruba Naug的其他文献

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{{ truncateString('Dhruba Naug', 18)}}的其他基金

The mechanistic basis of slow-fast phenotypic diversity and its functional and evolutionary significance in social groups
慢-快表型多样性的机制基础及其在社会群体中的功能和进化意义
  • 批准号:
    2241230
  • 财政年份:
    2024
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Dissertation Research: A test of Risk Sensitivity Theory and its energy budget rule in the honeybee
论文研究:风险敏感性理论及其能量预算规则在蜜蜂中的检验
  • 批准号:
    1110418
  • 财政年份:
    2011
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
CAREER: Organization of Social Structure and its Influence on Transmission Dynamics in a Honeybee Colony
职业:社会结构的组织及其对蜂群传播动态的影响
  • 批准号:
    0846133
  • 财政年份:
    2009
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
EID: How Social Organization Influences an Infectious Process: The Honey Bee Colony As a Model
EID:社会组织如何影响传染过程:以蜂群为模型
  • 批准号:
    0601134
  • 财政年份:
    2005
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
EID: How Social Organization Influences an Infectious Process: The Honey Bee Colony As a Model
EID:社会组织如何影响传染过程:以蜂群为模型
  • 批准号:
    0326713
  • 财政年份:
    2003
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant

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