Spore Release Mechanisms in Indoor Fungi

室内真菌的孢子释放机制

基本信息

  • 批准号:
    7848475
  • 负责人:
  • 金额:
    $ 6.96万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-05-11 至 2010-08-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): This project is concerned with the dispersal of fungal spores in the indoor environment. At a time of widespread concern about microbial contamination of buildings, this project is motivated by the following questions: What mechanisms cause and maximize spore release in indoor fungi and what practices might help to minimize spore release? There are two specific experimental aims. Aim 1 is designed to elucidate mechanisms of spore release in indoor fungi. Despite the ubiquity of other fungi in the indoor environment, and their proven allergenic potential, we know little about their mechanisms of spore release. A combination of video microscopy and biomechanical techniques will be used to understand how the commonest indoor molds (sexual ascomycetes), sexual ascomycetes (that release ascospores), and basidiomycetes achieve spore release. Building upon the information gathered through the experiments of Aim 1, the experiments of Aim 2 will explore the environmental conditions (particularly humidity and airflow) that control spore release for each category of release mechanism. Fungal proliferation is almost inevitable following water intrusion into buildings, but unless spores become airborne, contamination will have little effect upon air quality. This means that controlling spore release may be an effective way to maintain air quality even in cases of severe building contamination. Furthermore, by focusing upon spore release rather than fungal growth it may be possible to reduce the use of potentially-hazardous chemicals during mold remediation efforts.
描述(由申请人提供):本项目涉及真菌孢子在室内环境中的传播。在人们普遍关注建筑微生物污染的时候,这个项目的动机是以下问题:什么机制导致和最大化室内真菌的孢子释放,什么做法可能有助于减少孢子释放?有两个具体的实验目的。目的1旨在阐明室内真菌孢子释放的机制。尽管其他真菌在室内环境中无处不在,并且它们已被证明具有致敏性,但我们对它们的孢子释放机制知之甚少。视频显微镜和生物力学技术的结合将用于了解最常见的室内霉菌(性子囊菌),性子囊菌(释放子囊孢子)和担子菌如何实现孢子释放。在Aim 1实验收集信息的基础上,Aim 2实验将探索控制孢子释放的环境条件(特别是湿度和气流),针对每一类释放机制。随着水进入建筑物,真菌的繁殖几乎是不可避免的,但除非孢子通过空气传播,否则污染对空气质量的影响很小。这意味着控制孢子的释放可能是维持空气质量的有效方法,即使在建筑物严重污染的情况下也是如此。此外,通过关注孢子的释放而不是真菌的生长,在霉菌修复工作中可能会减少潜在危险化学品的使用。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Solving the aerodynamics of fungal flight: how air viscosity slows spore motion.
  • DOI:
    10.1016/j.funbio.2010.09.003
  • 发表时间:
    2010-11
  • 期刊:
  • 影响因子:
    2.5
  • 作者:
    Fischer, Mark W. F.;Stolze-Rybczynski, Jessica L.;Davis, Diana J.;Cui, Yunluan;Money, Nicholas P.
  • 通讯作者:
    Money, Nicholas P.
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NICHOLAS P MONEY其他文献

NICHOLAS P MONEY的其他文献

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{{ truncateString('NICHOLAS P MONEY', 18)}}的其他基金

Spore Release Mechanisms in Indoor Fungi
室内真菌的孢子释放机制
  • 批准号:
    7363273
  • 财政年份:
    2008
  • 资助金额:
    $ 6.96万
  • 项目类别:
Spore Dispersal and Germination in Stachybotrys
水穗属植物中的孢子传播和萌发
  • 批准号:
    6848190
  • 财政年份:
    2005
  • 资助金额:
    $ 6.96万
  • 项目类别:
Spore Dispersal and Germination in Stachybotrys
水穗属植物中的孢子传播和萌发
  • 批准号:
    7413786
  • 财政年份:
    2005
  • 资助金额:
    $ 6.96万
  • 项目类别:
FUNGAL PIGMENTATION AND TURGOR PRESSURE HUMAN MYCOSES
真菌色素沉着和膨压人类真菌病
  • 批准号:
    2005735
  • 财政年份:
    1997
  • 资助金额:
    $ 6.96万
  • 项目类别:

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