LiT: Genomic Analysis of Life-History Adaptation to Variation in Seasonal Water Availability in Mimulus
LiT:酸浆草生活史适应季节性水供应变化的基因组分析
基本信息
- 批准号:1024966
- 负责人:
- 金额:$ 58.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-09-01 至 2014-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
John H.Willis IOS - 1024966LiT: Genomic analysis of life-history adaptation to variation in seasonal water availability in MimulusGlobal warming trends indicate that many geographic regions are experiencing shorter, milder winters and longer, hotter summers. Due to the accelerated onset of summer drought in western North America, local plant species reliant on snowmelt and ephemeral water supplies will experience strong selection to grow and reproduce earlier. The evolutionary response of plant species to continued changes in seasonal soil moisture availability will likely involve earlier flowering and flowering under shorter day lengths in order to escape periods of prolonged drought. Tremendous genetic variation in day length sensitivity and flowering time was recently discovered in the ecological genomic model system Mimulus guttatus and its closely related wildflower species. This adaptive variation is associated with local environmental differences in the onset of drought, and it likely represents the kinds of genetic changes that could occur in response to continued climate change. This project uses powerful genome mapping approaches and experiments in natural habitats to identify key genes involved in variation in seasonal timing of flowering and drought escape. The investigators will engage high school and undergraduate students from underrepresented groups in workshops and research projects. Additionally, valuable collections of seed stocks and genome data will be made available to the entire scientific community. The seed collections will be available for evolutionary studies for up to fifty years from now. This will allow them to be compared to future samples from the same populations and to identify genes involved in future climate change adaptations.
John H.Willis IOS-1024966LiT:对生命历史适应Mimulus季节性可用水变化的基因组分析全球变暖趋势表明,许多地理区域正在经历更短、更温和的冬季和更长、更热的夏季。由于北美西部夏季干旱的加速到来,依赖融雪和短暂水分供应的当地植物物种将经历强有力的选择,以更早地生长和繁殖。植物物种对季节性土壤水分供应的持续变化的进化反应可能包括提前开花和在较短的日长下开花,以避免长期干旱。近年来,在生态基因组模式系统含羞草及其近缘野生花卉中发现了日长、敏感度和开花时间的巨大遗传变异。这种适应性变化与干旱开始时的当地环境差异有关,它可能代表了可能发生的遗传变化类型,以应对持续的气候变化。该项目使用强大的基因组图谱方法和自然栖息地的实验来确定与开花和逃脱干旱的季节性时间变化有关的关键基因。调查人员将邀请来自代表性不足群体的高中生和本科生参加研讨会和研究项目。此外,有价值的种子库和基因组数据收集将向整个科学界提供。从现在起,这些种子库将可用于进化研究长达50年。这将使他们能够与来自相同种群的未来样本进行比较,并识别与未来气候变化适应有关的基因。
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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John Willis其他文献
Computing Power Series Expansions of Modular Forms
模块化形式的计算能力系列扩展
- DOI:
- 发表时间:
2012 - 期刊:
- 影响因子:0
- 作者:
J. Voight;John Willis - 通讯作者:
John Willis
718 Computer Vision-Based Quality Assurance in Gastric Biopsies Finds Missed Intestinal Metaplasia
基于 718 计算机视觉的胃活检质量保证发现遗漏的肠化生
- DOI:
10.1016/j.labinv.2024.102949 - 发表时间:
2025-03-01 - 期刊:
- 影响因子:4.200
- 作者:
John Willis;William Jeck;Wei Chen;Fengming Chen;Avani Pendse;Katherine Garman - 通讯作者:
Katherine Garman
Long-term comparison of pilot UASB and AnMBR systems treating domestic sewage at ambient temperatures
- DOI:
10.1016/j.jece.2022.108489 - 发表时间:
2022-12-01 - 期刊:
- 影响因子:
- 作者:
Maxime Rattier;Jose A. Jimenez;Mark W. Miller;Ashwin Dhanasekar;John Willis;Jürg Keller;Damien Batstone - 通讯作者:
Damien Batstone
Presymptomatic late-infantile metachromatic leukodystrophy treated with bone marrow transplantation.
通过骨髓移植治疗症状前晚期婴儿异染性脑白质营养不良。
- DOI:
- 发表时间:
1994 - 期刊:
- 影响因子:3.3
- 作者:
Gabriella Pridjian;James R Humbert;John Willis;Emmanuel Shapira - 通讯作者:
Emmanuel Shapira
Meningeal diverticula treated with ventriculoperitoneal shunt
- DOI:
10.1007/bf00301089 - 发表时间:
1994-04-01 - 期刊:
- 影响因子:1.200
- 作者:
John Willis;Joseph Nadell;Ann Henderson-Tilton - 通讯作者:
Ann Henderson-Tilton
John Willis的其他文献
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{{ truncateString('John Willis', 18)}}的其他基金
Collaborative Research: RoL: Rapid Evolution of Reproductive Isolation via Hybrid Seed Lethality in Mimulus
合作研究:RoL:通过混合种子致死率实现生殖隔离的快速进化
- 批准号:
1856157 - 财政年份:2019
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
Collaborative Research: Hybrid Seed Inviability and the Evolution of Endosperm Development in Mimulus
合作研究:杂交种子的不存活性和酸浆菌胚乳发育的进化
- 批准号:
1558113 - 财政年份:2016
- 资助金额:
$ 58.5万 - 项目类别:
Continuing Grant
DISSERTATION RESEARCH: Shedding Light on the Complex Relationship Between Circadian Clock Variation and the Trade-off Between Flowering Time and Flower Size
论文研究:揭示昼夜节律时钟变化与开花时间和花朵大小之间的权衡之间的复杂关系
- 批准号:
1501764 - 财政年份:2015
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: Understanding the Role of Chromosomal Inversions in Life History Divergence and Local Adaptation in Mimulus
论文研究:了解染色体倒位在酸浆菌生活史分歧和局部适应中的作用
- 批准号:
1501758 - 财政年份:2015
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: Genetic Basis and Adaptive Significance of Key Developmental Traits Underlying Ecological Differences Between Sympatric Sister Species
论文研究:同域姐妹物种之间生态差异的关键发育特征的遗传基础和适应性意义
- 批准号:
1406952 - 财政年份:2014
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
Collaborative Proposal: The ecological genomic basis of parallel serpentine adaptation in Mimulus
合作提案:Mimulus 平行蛇纹适应的生态基因组基础
- 批准号:
1354688 - 财政年份:2014
- 资助金额:
$ 58.5万 - 项目类别:
Continuing Grant
DISSERTATION RESEARCH: Genetic basis of population level divergence in flower morph production induced by variable threshold environmental conditions
论文研究:可变阈值环境条件诱导的花形态生产群体水平差异的遗传基础
- 批准号:
1407148 - 财政年份:2014
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: The Genetics of Adaptation to a Novel Stressful Environment in Mimulus
论文研究: 酸浆菌适应新压力环境的遗传学
- 批准号:
1210755 - 财政年份:2012
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: The Genetic Basis of Local Adaptation: Serpentine Tolerance in Mimulus guttatus
论文研究:局部适应的遗传基础:Mimulus guttatus 的蛇纹石耐受性
- 批准号:
1110753 - 财政年份:2011
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: Genomic and phenotypic evolution in synthetic and natural allotetraploid Mimulus
论文研究:合成和天然异源四倍体含酸浆的基因组和表型进化
- 批准号:
0910296 - 财政年份:2010
- 资助金额:
$ 58.5万 - 项目类别:
Standard Grant
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