Collaborative Research: Integrating Genetically Informed Models of Germination and Flowering to Predict Life History Responses to Changing Climate
合作研究:整合发芽和开花的遗传信息模型来预测生命史对气候变化的反应
基本信息
- 批准号:1020111
- 负责人:
- 金额:$ 88.13万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-08-01 至 2014-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Phenology - the seasonal timing of biological events - is one of the most important organismal responses to climate change. For annual plant species, the seasonal timing of seed germination and flowering is crucial. Germination and flowering time interact to determine patterns of growth, flowering and seed set. Thus, an integrated life-cycle model that includes these events and their interactions is necessary for predicting under natural conditions each phenological transition, the overall life cycle, and the persistence of effects of environmental perturbations. Using the abundant genetic information on the molecular-genetic basis of flowering and germination in Arabidopsis thaliana, this project will develop integrated life-history models to predict genotype-specific performance across a geographic range with different climatic scenarios. These predictions will be tested using unique genetic material of different combinations of germination and flowering alleles in seasonally contrasting field sites. This work directly pertains to predicting plant responses to climate change. It aims to predict germination timing and synchrony under various climatic conditions, which is of direct interest in agricultural settings. The model will also predict how changes in germination timing affect reproductive timing and yield, which is important for predicting responses of crop species as well as the weeds that grow with them. Finally, it uses genotypes containing candidate genetic loci for dormancy manipulations to assess how those genes will respond to altered climates.
物候学--生物事件的季节性时间--是生物体对气候变化最重要的反应之一。对于一年生植物物种来说,种子萌发和开花的季节性时间至关重要。萌发和开花时间相互作用,决定了生长、开花和结实的模式。因此,一个包括这些事件及其相互作用的综合生命周期模型对于在自然条件下预测每个物候转变、整个生命周期和环境扰动影响的持续性是必要的。利用拟南芥开花和萌发的分子遗传学基础上的丰富遗传信息,该项目将开发综合的生活史模型,以预测不同气候情景下的地理范围内的基因型特定表现。这些预测将使用不同发芽和开花等位基因组合的独特遗传物质在季节性不同的田间地点进行验证。这项工作直接关系到预测植物对气候变化的反应。它的目的是预测不同气候条件下的萌发时间和同步性,这在农业环境中是直接相关的。该模型还将预测发芽时间的变化如何影响生殖时间和产量,这对于预测作物物种以及与其一起生长的杂草的反应非常重要。最后,它使用包含用于休眠操作的候选遗传位点的基因类型来评估这些基因将如何对变化的气候做出反应。
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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Johanna Schmitt其他文献
Population differentiation and genetic variation inform translocation decisions for <em>Liatris scariosa</em> var. <em>novae</em>-<em>angliae</em>, a rare New England grassland perennial
- DOI:
10.1016/j.biocon.2005.01.021 - 发表时间:
2005-07-01 - 期刊:
- 影响因子:
- 作者:
Kelly Gravuer;Eric von Wettberg;Johanna Schmitt - 通讯作者:
Johanna Schmitt
Geographic and seasonal variation in emδ/emsup13/supC values of Csub3/sub plant emarabidopsis/em: Archaeological implications
C3 植物拟南芥的 emδ/emsup13/supC 值的地理和季节变化:考古学意义
- DOI:
10.1016/j.jas.2022.105709 - 发表时间:
2023-01-01 - 期刊:
- 影响因子:2.500
- 作者:
Catherine G. Cooper;Martha D. Cooper;Michael P. Richards;Johanna Schmitt - 通讯作者:
Johanna Schmitt
Pinoresinol and matairesinol accumulation in a Forsythia × intermedia cell suspension culture
- DOI:
10.1023/a:1012909131741 - 发表时间:
2002-01-01 - 期刊:
- 影响因子:2.400
- 作者:
Johanna Schmitt;Maike Petersen - 通讯作者:
Maike Petersen
Maternal Effects of Drought Stress and Inbreeding in Impatiens capensis
干旱胁迫和凤仙花近交对母体的影响
- DOI:
- 发表时间:
2000 - 期刊:
- 影响因子:0
- 作者:
C. Riginos;M. S. Heschel;Johanna Schmitt - 通讯作者:
Johanna Schmitt
Aortic valve stenosis and osteoporosis: insights from a mouse model
- DOI:
10.1186/s12872-025-05037-4 - 发表时间:
2025-07-31 - 期刊:
- 影响因子:2.300
- 作者:
Hannah Billig;Johanna Schmitt;Lamia Singer;Christoph Bourauel;Frank A. Schildberg;Werner Masson;Nikola Lübbering;Wenzel Vogel;Sven Perner;Marta Stei;Sven Niepmann;Miriam Silaschi;Farhad Bakhtiary;Georg Nickenig;Sebastian Zimmer - 通讯作者:
Sebastian Zimmer
Johanna Schmitt的其他文献
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{{ truncateString('Johanna Schmitt', 18)}}的其他基金
OPUS: Synthesizing field data in a genomic context to elucidate the evolution of phenotypic plasticity and local adaptation
OPUS:在基因组背景下综合现场数据,以阐明表型可塑性和局部适应的进化
- 批准号:
1754102 - 财政年份:2018
- 资助金额:
$ 88.13万 - 项目类别:
Standard Grant
Collaborative Research: Integrating Genetically Informed Models of Germination and Flowering to Predict Life History Responses to Changing Climate
合作研究:整合发芽和开花的遗传信息模型来预测生命史对气候变化的反应
- 批准号:
1447203 - 财政年份:2014
- 资助金额:
$ 88.13万 - 项目类别:
Continuing Grant
LiT: Life History Responses to Genetic and Environmental Perturbations in Arabidopsis thaliana
LiT:拟南芥生活史对遗传和环境扰动的反应
- 批准号:
0924059 - 财政年份:2009
- 资助金额:
$ 88.13万 - 项目类别:
Continuing Grant
FIBR - Molecular Evolutionary Ecology of Developmental Signaling Pathways in Complex Environments.
FIBR - 复杂环境中发育信号通路的分子进化生态学。
- 批准号:
0425759 - 财政年份:2004
- 资助金额:
$ 88.13万 - 项目类别:
Continuing Grant
Dissertation Research - Local Adaptation and Landscape Genetics of Plastic Shade Avoidance Responses in Impatiens capensis.
论文研究 - 凤仙花塑料避荫反应的局部适应和景观遗传学。
- 批准号:
0408015 - 财政年份:2004
- 资助金额:
$ 88.13万 - 项目类别:
Standard Grant
ABR: Response to Crowding and Vegetation Shade in Impatiens capensis: Genetic Basis and Fitness Consequences
ABR:凤仙花对拥挤和植被遮荫的反应:遗传基础和适应性后果
- 批准号:
0129018 - 财政年份:2002
- 资助金额:
$ 88.13万 - 项目类别:
Standard Grant
Response to Crowding and Vegetation Shade in Impatiens capensis: Genetic Variation and Fitness Consequences
凤仙花对拥挤和植被遮荫的反应:遗传变异和适应性后果
- 批准号:
9806858 - 财政年份:1998
- 资助金额:
$ 88.13万 - 项目类别:
Continuing Grant
Response to Crowding and Vegetation Shade in Impatiens capensis: Genetic Variation and Fitness Consequences
凤仙花对拥挤和植被遮荫的反应:遗传变异和适应性后果
- 批准号:
9708114 - 财政年份:1997
- 资助金额:
$ 88.13万 - 项目类别:
Standard Grant
Collaborative Research: Ecological Genetics of Response to Light in Arabidopsis thaliana (Brassicaceae)
合作研究:拟南芥(十字花科)光反应的生态遗传学
- 批准号:
9509239 - 财政年份:1995
- 资助金额:
$ 88.13万 - 项目类别:
Standard Grant
Response to Crowding and Vegetation Shade in Impatiens capensis: Genetic Variation and Fitness Consequences
凤仙花对拥挤和植被遮荫的反应:遗传变异和适应性后果
- 批准号:
9306637 - 财政年份:1993
- 资助金额:
$ 88.13万 - 项目类别:
Continuing Grant
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