Dissertation Research: The Macroevolutionary Consequences of a Neogastropod Adaptation

论文研究:新腹足动物适应的宏观进化后果

基本信息

  • 批准号:
    0073248
  • 负责人:
  • 金额:
    $ 1万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2000
  • 资助国家:
    美国
  • 起止时间:
    2000-05-01 至 2003-10-31
  • 项目状态:
    已结题

项目摘要

0073248Jablonski and PriceAlthough evolutionary biologists have formalized the study of adaptation, few studies explain both why a trait is adaptive and ho--w it affects a lineage's history. Graduate student Rebecca Price, assisted by her adviser Dr. David Jablonski, addresses this issue in a study of fossil and living species of a group of gastropod molluscs of the Fasciolariidae. The neogastropods are an ideal focal taxon because they have high modern diversity, permitting the use of living animals to determine the functional significance of the character in question, and a rich fossil record directly to observe morphological changes through geologic time. The hypotheses under test concern the columellar folds, or plications on a gastropod shell's aperture, that traditionally are used as taxonomic characters, and that may function as adaptations, for example in body retraction to avoid predators, or in muscle attachment to increase speed of movement. Such functional adaptations may have affected rates and patterns of species diversification in different sublineages within the Fasciolariidae (Neogastropoda: Mollusca). This family has a rich fossil record, a range of fold morphologies, and, according to a preliminary phylogeny, has lost and added folds repeatedly. The student will use computed tomography (facilities made available at Argonne National Laboratory outside Chicago) to depict in 3-dimensions and quantify a series of characters that describe columellar fold morphology in ca. 100 samples in this family. To test that columellar folds are adaptive, and to evaluate some hypothetical functions, the student will (1) map each aspect of fold morphology onto an evolutionary tree to determine when it evolved, and (2) conduct a series of functional experiments at a marine station on shells with and without folds. The experiments are designed to improve our understanding of correlations between morphology and function, with the results extrapolated back on the phylogeny to track the 130 million years of fasciolariid history in functional terms.
[00:73 . 48]雅布隆斯基和普莱斯虽然进化生物学家已经将适应的研究正式化了,但很少有研究能同时解释为什么一个特征是适应性的,以及它如何影响一个世系的历史。研究生Rebecca Price在她的导师David Jablonski博士的协助下,在一组片形虫科腹足类软体动物的化石和现存物种的研究中解决了这个问题。新腹足类是一个理想的焦点分类单元,因为它们具有高度的现代多样性,允许使用活的动物来确定所讨论的特征的功能意义,并且有丰富的化石记录直接观察地质时期的形态变化。被测试的假设涉及小柱褶皱,或腹足类动物壳孔上的褶皱,传统上被用作分类特征,可能起适应作用,例如身体收缩以躲避捕食者,或肌肉附着以提高运动速度。这种功能适应可能影响了片形虫科(新腹足目:软体动物)不同亚系的物种多样化率和模式。这个科有丰富的化石记录,有一系列的褶皱形态,并且根据初步的系统发育,有多次褶皱的丢失和增加。该学生将使用计算机断层扫描(芝加哥郊外的阿贡国家实验室提供的设备)以三维方式描绘并量化描述该家族约100个样本中柱状褶皱形态的一系列特征。为了测试小柱状褶皱是否具有适应性,并评估一些假设的功能,学生将(1)将褶皱形态的各个方面绘制到进化树上,以确定它是何时进化的,(2)在海洋站对有褶皱和没有褶皱的贝壳进行一系列功能实验。这些实验旨在提高我们对形态和功能之间相关性的理解,并将结果外推回系统发育,以功能方面追踪1.3亿年的片形虫历史。

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
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David Jablonski其他文献

Evolvability and Macroevolution: Overview and Synthesis
  • DOI:
    10.1007/s11692-022-09570-4
  • 发表时间:
    2022-07-07
  • 期刊:
  • 影响因子:
    1.700
  • 作者:
    David Jablonski
  • 通讯作者:
    David Jablonski
Cellular and molecular neuroscience
细胞和分子神经科学
  • DOI:
  • 发表时间:
    1999
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Richard Eisenberg;A. Fersht;D. Piperno;Natasha V. Raikhel;Neil H. Shubin;Solomon H. Snyder;B. L. Turner;Peter K. Vogt;Stephen T. Warren;David A. Weitz;William C. Clark;N. Dickson;Pamela A. Matson;D. Denlinger;J. Eppig;R. M. Roberts;Linda J. Saif;Richard G. Klein;C. O. Lovejoy;O. JamesF.;Connell;Elsa M. Redmond;Peter J. Bickel;D. Donoho;Donald Geman;J. Sethian;D. Awschalom;Matthew P. Fisher;Zachary Fisk;John D. Weeks;M. Botchan;F. U. Hartl;Edward D. Korn;S. Kowalczykowski;M. Marletta;K. Mizuuchi;Dinshaw Patel;Brenda A. Schulman;James A. Wells;Denis Duboule;Brigid L. M. Hogan;Roel Nusse;Eric N. Olson;M. Rosbash;Gertrud M. Schüpbach;David E. Clapham;Pietro V. De Camilli;R. Huganir;Yuh;J. Nathans;Charles F. Stevens;Joseph S. Takahashi;G. Turrigiano;S. J. Benkovic;Harry B. Gray;Jack Halpern;Michael L. Klein;Raphael D. Levine;T. Mallouk;T. Marks;J. Meinwald;P. Rossky;D. Tirrell;eld;T. Cerling;W. G. Ernst;A. Ravishankara;Alexis T. Bell;James J. Collins;Mark E. Davis;P. Debenedetti;J. Dumesic;Evelyn L. Hu;Rakesh K. Jain;John A. Rogers;J. Seinfeld;D. Futuyma;Daniel L. Hartl;D. M. Hillis;David Jablonski;R. Lenski;Gene E. Robinson;J. Strassmann;Kathryn V. Anderson;John Carlson;Iva S. Greenwald;P. Hanawalt;Mary;D. E. Koshland;R. DeFries;Susan Hanson;Robert L. Coffman;Peter Cresswell;K. C. Garcia;T. W. Mak;P. Marrack;R. Medzhitov;Carl F. Nathan;Lawrence Steinman;Tadatsugu Taniguchi;Arthur Weiss;J. Bennetzen;James C. Carrington;Vicki L. Chandler;B. Staskawicz
  • 通讯作者:
    B. Staskawicz
The rudists re-examined
重新审视的 rudists( rudists 可能是某种特定的事物或术语)
  • DOI:
    10.1038/383669a0
  • 发表时间:
    1996-10-24
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    David Jablonski
  • 通讯作者:
    David Jablonski
1783 SAFETY OF INTRAVESICAL MYCOBACTERIAL CELL WALL-DNA COMPLEX GIVEN IMMEDIATELY POSTSURGERY IN PATIENTS WITH NON-MUSCLE-INVASIVE BLADDER CANCER
  • DOI:
    10.1016/j.juro.2012.02.1800
  • 发表时间:
    2012-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Alvaro Morales;David Jablonski;Christine Lihou;Zhihui Lang;Zvi Cohen
  • 通讯作者:
    Zvi Cohen
Key Adaptive Trait Promotes Contrasting Modes of Diversification in a Bivalve Clade
  • DOI:
    10.1007/s11692-024-09643-6
  • 发表时间:
    2024-11-28
  • 期刊:
  • 影响因子:
    1.700
  • 作者:
    Emily R. Nigro;Katie S. Collins;Stewart M. Edie;Nicholas M. A. Crouch;David Jablonski
  • 通讯作者:
    David Jablonski

David Jablonski的其他文献

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{{ truncateString('David Jablonski', 18)}}的其他基金

Analysis of the spatial and temporal dynamics of marine bivalve evolution: Combining molecular and densely-sampled fossil data
海洋双壳类进化的时空动态分析:结合分子和密集采样的化石数据
  • 批准号:
    2049627
  • 财政年份:
    2021
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
Late Cenozoic dynamics of the latitudinal biodiversity gradient: Regional extinction, range expansion, and biological attributes
纬度生物多样性梯度的晚新生代动态:区域灭绝、范围扩张和生物属性
  • 批准号:
    1633535
  • 财政年份:
    2016
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Integrating Fossils and Molecules to Trace Ecological Divergence and Convergence in Marine Bivalves
论文研究:整合化石和分子来追踪海洋双壳类动物的生态分歧和趋同
  • 批准号:
    1501880
  • 财政年份:
    2015
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: The consequences of natural and anthropogenic geographic range expansion
论文研究:自然和人为地理范围扩张的后果
  • 批准号:
    1406774
  • 财政年份:
    2014
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
Collaborative Research: Bivalves in time and space: testing the accuracy of methods to reconstruct ancestral morphology, dates, geography, and diversification patterns
合作研究:时间和空间上的双壳类:测试重建祖先形态、日期、地理和多样化模式的方法的准确性
  • 批准号:
    0919451
  • 财政年份:
    2009
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
Collaborative Research: The dynamics of geographic ranges: Origin and maintenance of marine diversity gradients
合作研究:地理范围的动态:海洋多样性梯度的起源和维持
  • 批准号:
    0922156
  • 财政年份:
    2009
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Macroevolutionary Consequences of Abundance in Paleogene Bivalves
论文研究:古近纪双壳类丰富的宏观进化后果
  • 批准号:
    0607922
  • 财政年份:
    2006
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
COLLABORATIVE RESEARCH: Palebiology of Latitudinal Turnover Gradients -- Transoceanic Comparative Analyses
合作研究:纬度周转梯度的古生物学——跨洋比较分析
  • 批准号:
    9903030
  • 财政年份:
    1999
  • 资助金额:
    $ 1万
  • 项目类别:
    Continuing Grant
Collaborative Research: Gradients of Origination and Extinction in Benthic Marine Invertebrates: Comparative Analyses in the Fossil Record
合作研究:底栖海洋无脊椎动物起源和灭绝的梯度:化石记录的比较分析
  • 批准号:
    9317114
  • 财政年份:
    1994
  • 资助金额:
    $ 1万
  • 项目类别:
    Standard Grant
Collaborative Research: Developmental Srategies in Benthic Marine Invertebrates: Evolutionary Effects
合作研究:底栖海洋无脊椎动物的发育策略:进化效应
  • 批准号:
    9005744
  • 财政年份:
    1990
  • 资助金额:
    $ 1万
  • 项目类别:
    Continuing Grant

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