PEET: The Phylum Nemertea and Morphological and Molecular Phylogenetic Studies and Electronic Media
PEET:纽虫门、形态学和分子系统发育研究以及电子媒体
基本信息
- 批准号:9712463
- 负责人:
- 金额:$ 74万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1997
- 资助国家:美国
- 起止时间:1997-09-01 至 2004-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
9712463 LIPSCOMB Nemerteans are common and important predatory worms, with ca. 1200 described species occupying a wide range of aquatic habitats. Their biological attributes are of general and pharmacological interest and figure prominently in theories of animal diversification. Yet they are widely ignored because identification, even to very broad levels, is difficult. These worms have few external features that can be used reliably to tell them apart. Until now, nemertean taxonomy has been based largely on reconstruction of internal anatomy via histological serial sectioning. However, reference collections of sectioned specimens are poorly developed. Identifying a nemertean is usually a long and labor-intensive process dependent on an uncertain record of prior work. Few experts in this group are now active. The named species represent less than a quarter of those thought to be extant. In this PEET proposal, Diana Lipscomb and colleagues will improve the state of nemertean taxonomy by describing new species, reconstructing phylogenetic relationships among the species, upgrading the worldOs largest reference collection of histologically sectioned nemerteans, and developing a computerized nemertean information system linking text, data, and image files and available via the World Wide Web and CD-ROM. The research will promote nested collaborations among nemertean researchers worldwide, and will train three new nemertean taxonomists in modern methods developed and applied to these worms during the course of the project.
9712463 LIPSCOMB 纽形动物是常见的重要的捕食性蠕虫,有约。1200种描述的物种占据了广泛的水生栖息地。 它们的生物学属性具有普遍和药理学意义,并在动物多样化理论中占有突出地位。 然而,它们被广泛忽视,因为识别,即使是非常广泛的水平,是困难的。 这些蠕虫几乎没有什么外部特征可以用来可靠地区分它们。 到目前为止,纽形虫分类学主要是基于通过组织学连续切片重建内部解剖结构。 然而,切片标本的参考收藏还很落后。 识别纽虫通常是一个漫长而劳动密集型的过程,依赖于先前工作的不确定记录。 这个小组中的专家现在很少活跃。 被命名的物种不到被认为现存物种的四分之一。 在这个PEET提案中,Diana Lipscomb及其同事将通过描述新物种,重建物种之间的系统发育关系,升级世界上最大的组织切片纽虫参考收藏,以及开发一个连接文本,数据,和图像文件,并通过万维网和光盘提供。这项研究将促进巢式合作之间的纽虫研究人员在世界各地,并将在项目期间培训三名新的纽形动物分类学家,使他们掌握开发和应用于这些蠕虫的现代方法。
项目成果
期刊论文数量(0)
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Robert Knowlton其他文献
Magnetoencephalographic spike localization in patients with non-localizing ictal EEG or MRI
- DOI:
10.1016/s1053-8119(96)80510-6 - 发表时间:
1996-06-01 - 期刊:
- 影响因子:
- 作者:
Howard A. Rowley;Robert Knowlton;Timothy P.L. Roberts - 通讯作者:
Timothy P.L. Roberts
Robert Knowlton的其他文献
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{{ truncateString('Robert Knowlton', 18)}}的其他基金
SBIR Phase I: Ground Truthing Approach to Risk Assessment and Communication Under Uncertainty
SBIR 第一阶段:不确定性下风险评估和沟通的地面实况方法
- 批准号:
9661182 - 财政年份:1997
- 资助金额:
$ 74万 - 项目类别:
Standard Grant
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