Biodiversity of Micro-Fungi (yeast) in the South Florida Everglades Watershed Ecosystem
南佛罗里达大沼泽地流域生态系统中微真菌(酵母)的生物多样性
基本信息
- 批准号:0206521
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-06-01 至 2009-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Working in the South Florida Everglades and Florida Bay, Dr. Jack Fell of the University of Miami seeks to: (1) assess the biodiversity of a phylogenetically diverse group of heterotrophic eukaryotes (the yeasts) in a changing and endangered environment, and (2) evaluate the effects of environmental parameters and limiting nutrients (e.g., temperature, salinity, nitrogen, phosphorous and dissolved organic carbon) on yeast community structure. The South Florida ecosystem initiates at Lake Okeechobee with a southward water flow through the Everglades into Florida Bay with an interchange that connects the coral reefs. This interactive system has been managed and mis-managed for over 100 years and is being crowded by development. Concern over the fate of the region has resulted in on-going multi-agency, institutional environmental studies. Dr. Fell's research program concentrates on study of phylogenetically diverse fungi sampled over several transects through the region, and using modern molecular and genomic techniques to characterize the yeasts, in conjunction with ongoing measures of physical and chemical features of the environment. The program will coordinate with two large environmental studies of the region, the Florida International University (FIU) LTER site (Long Term Ecological Research), sponsored by NSF, and NOAA's Florida Bay program. Yeasts, which are unicellular organisms, represent a phylogenetic diversity of fungi: two phyla, six classes, 29 orders or equivalent lineages, 90 genera and 1000 species. Despite these high numbers, the yeasts are an understudied group of organisms; estimates indicate that possibly only 1% of the yeasts in nature have been discovered. Yeasts have ecological, commercial and medical importance: fungi are primary drivers of the global carbon cycle and their use constitutes one of the world's largest industries. Consequently, species extinction with habitat loss can have considerable economic significance. Estimates indicate that a large number of new species will be discovered in the Everglades system. These new species will be evaluated with existing molecular phylogenetic schemes for incorporation into a revised monograph of all described yeast species, the planned fifth edition of "The Yeasts, A Taxonomic Study". The revision will highlight a revolution in yeast systematics: conversion from phenotypic to molecular phylogeny. Specific attention in this project is directed to electronic availability of data. The monograph is designed for web based access: strain, collection and phenotypic data will be on-line; molecular sequence data will be on GenBank; and ecological data will be available on the FIU LTER web site, which is linked to the NOAA websites. Important strains of yeasts will be available at internationally recognized culture collections (the USDA collection in Peoria, Illinois; Centraalbureau voor Schimmelcultures in the Netherlands; and American Type Culture Collection in Maryland). Training will include undergraduate students and incorporate interactions with agency personnel and resource managers.
在南佛罗里达沼泽地和佛罗里达州海湾工作的迈阿密大学的Jack Fell博士致力于:(1)评估在不断变化和濒危的环境中系统发育多样化的异养真核生物(酵母)的多样性,以及(2)评估环境参数和限制营养物质(如温度、盐度、氮、磷和溶解有机碳)对酵母群落结构的影响。南佛罗里达州的生态系统始于奥基乔比湖,水流向南流经大沼泽地进入佛罗里达州海湾,并与珊瑚礁相连。100多年来,这个交互系统一直被管理和管理不善,正在被发展所挤占。对该区域命运的担忧导致了正在进行的多机构、机构环境研究。费尔博士的研究项目专注于研究在该地区的几个横断面上采集的具有系统发育多样性的真菌,并使用现代分子和基因组技术来确定酵母的特征,同时持续测量环境的物理和化学特征。该计划将与该地区的两项大型环境研究相协调,这两项研究是由NSF赞助的佛罗里达国际大学(FIU)长期生态研究(LTER Site),以及NOAA的佛罗里达州海湾计划。酵母菌是单细胞生物,代表了真菌的系统发育多样性:两门,六纲,29目或相当的谱系,90属,1000种。尽管数量很多,但酵母菌是一组研究不足的有机体;估计表明,自然界中可能只有1%的酵母菌被发现。酵母具有生态、商业和医学上的重要性:真菌是全球碳循环的主要驱动力,它们的使用构成了世界上最大的产业之一。因此,物种灭绝和栖息地丧失可能具有相当大的经济意义。估计将在大沼泽地系统中发现大量新物种。这些新物种将根据现有的分子系统发育计划进行评估,以纳入所有描述的酵母物种的修订专著,计划出版的第五版《酵母,分类研究》。这次修订将突出酵母系统学中的一场革命:从表型系统学到分子系统学的转变。该项目的特别关注是数据的电子化。专着专为基于网络的访问而设计:菌株、采集和表型数据将在线;分子序列数据将在GenBank上;生态数据将在FIU LTER网站上提供,该网站链接到NOAA的网站。重要的酵母菌菌株将在国际公认的培养物收藏中获得(美国农业部在伊利诺伊州皮奥里亚的收藏;荷兰的CentraalBureau Voor SchimmelCulture收藏;以及马里兰州的美国典型培养收藏)。培训将包括本科生,并包括与机构人员和资源经理的互动。
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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Jack Fell其他文献
Jack Fell的其他文献
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{{ truncateString('Jack Fell', 18)}}的其他基金
SGER: Preserving a national resource- the biotic diversity in the University of Miami marine yeast collection
SGER:保护国家资源——迈阿密大学海洋酵母收藏中的生物多样性
- 批准号:
0742264 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: Developing Gene-Based Remote Detection
合作研究:开发基于基因的远程检测
- 批准号:
0332793 - 财政年份:2003
- 资助金额:
-- - 项目类别:
Continuing Grant
Exploratory Research: Presence and biodiversity of uncultured fungi in Antarctic Dry Valleys
探索性研究:南极干谷中未培养真菌的存在和生物多样性
- 批准号:
0232373 - 财政年份:2002
- 资助金额:
-- - 项目类别:
Standard Grant
Exploratory Research on Marine Micro-Eukaryote Community Structure Using ion-Pair Reversed Phase HPLC
利用离子对反相高效液相色谱法探索海洋微型真核生物群落结构
- 批准号:
0116788 - 财政年份:2001
- 资助金额:
-- - 项目类别:
Standard Grant
Ribosomal DNA Sequences in Marine Yeasts: A Model for Identification and Quantification of Marine Eukaryotes
海洋酵母中的核糖体 DNA 序列:海洋真核生物识别和定量的模型
- 批准号:
9504105 - 财政年份:1995
- 资助金额:
-- - 项目类别:
Continuing Grant
Ribosomal RNA Sequences in Marine Yeasts: A Model for Identification and Quantification of Marine Eukaryotes
海洋酵母中的核糖体 RNA 序列:海洋真核生物识别和定量的模型
- 批准号:
9116258 - 财政年份:1991
- 资助金额:
-- - 项目类别:
Continuing Grant
REU: Ribosomal RNA Sequences in Marine Yeasts: A Model for Identification and Quantification of Marine Eukaryotes
REU:海洋酵母中的核糖体 RNA 序列:海洋真核生物识别和定量的模型
- 批准号:
8912312 - 财政年份:1989
- 资助金额:
-- - 项目类别:
Continuing Grant
Antarctic Marine Yeasts: Preservation and Distribution of aLiving Collection
南极海洋酵母:活体收藏品的保存和分发
- 批准号:
8816496 - 财政年份:1989
- 资助金额:
-- - 项目类别:
Standard Grant
Evolutionary Ecology of Marine Yeasts as Determined by Molecular Relatedness
由分子相关性确定的海洋酵母的进化生态学
- 批准号:
8717146 - 财政年份:1988
- 资助金额:
-- - 项目类别:
Standard Grant
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