Morphomic analysis of a simple chordate
简单脊索动物的形态分析
基本信息
- 批准号:8501596
- 负责人:
- 金额:$ 32.37万
- 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:2009-08-01 至 2017-04-30
- 项目状态:已结题
- 来源:
- 关键词:4D ImagingAccountingActinsAddressAnimal ModelAnimal OrganAnteriorArchitectureAreaAutomobile DrivingBehaviorBinding ProteinsBiologicalBiologyBiomedical EngineeringCell LineageCell PolarityCell ShapeCell divisionCell membraneCellsChordataCollectionComplexComputer Vision SystemsComputersConfocal MicroscopyDataData SetDevelopmentDevelopmental BiologyDevelopmental ProcessDimensionsDiseaseElectroporationEmbryoEmbryonic DevelopmentEngineeringExtracellular Matrix ProteinsGenesGoalsGraphHealthHumanImageImage AnalysisImageryInjection of therapeutic agentLabelLeadLifeMeasurementMembraneMethodsMicrotubulesModelingMolecularMorphogenesisMorphologyMovementMyosin Light ChainsNatureNeuraxisNuclearOrganOrganismPatternPattern RecognitionPlasmidsProcessProteinsRNARelative (related person)ResearchResearch InfrastructureResearch PersonnelResolutionSamplingSeaSeedsShapesSpeedSystemTalentsTestingTimeTissue EngineeringTissuesVertebratesWorkascidianbaseblastomere structurecell behaviorcell motilitycell typecomputer frameworkcomputerized toolsdevelopmental geneticsgastrulationimage visualizationimaging Segmentationimaging informaticsinnovationinterestmoesinprofessorprogramspromoterprotein distributionsegmentation Image analysisskillsspatiotemporaltissue repair
项目摘要
DESCRIPTION (provided by applicant): This proposed collaborative project will investigate fundamental processes driving chordate embryogenesis. The project will combine the skills and expertise of two research groups: one that works in the area of developmental biology, and the other in the area of image analysis and computer vision. The goal of the project is take a whole-embryo embryo approach to investigating morphogenesis in live embryos in all 4 dimensions (x,y, z and t). Specifically, we will collect and analyze confocal microscopy images to derive quantitative data on the division, shape, volume and movements of all cells in both selected developing organs and in whole embryos. This project presents many challenges in sample selection and labeling, image capture, and image analysis and visualization. Most model organisms are fundamentally unsuited to the challenge of capturing the shape and movement of every cell in an entire tissue. Those that are suitable typically are distantly related to the chordates, and thus lack organs and tissues relevant to human health and disease. The ascidians (sea squirts), however, are close relatives of the vertebrates that combine a chordate body plan with a small and simple embryonic architecture suitable for imaging in toto. The data to be collected in such observations, particularly at the high resolution needed to observe cellular behavior, will be enormous. The extraction of large-scale quantitative information from timelapse image sets poses substantial challenges in terms of image segmentation and analysis. We have already made significant progress in segmenting 3D ascidian images and further refinements of these approaches are proposed here. The segmented data will allow the quantitative analysis of many complex cell behaviors, including the fundamental changes in cell shape and motility driving gastrulation, neurulation and convergent extension. These analyses will lead to specific hypotheses regarding the cellular and molecular machinery driving morphogenesis. To further investigate the molecular basis for these cellular phenomena, we will also extend our imaging and analysis efforts to investigate the dynamic patterns of subcellular localization of several proteins with key roles in morphogenesis.
描述(由申请人提供):这个拟议的合作项目将调查驱动脊索动物胚胎发生的基本过程。该项目将联合收割机的技能和专业知识的两个研究小组:一个是在发育生物学领域的工作,另一个在图像分析和计算机视觉领域。该项目的目标是采用全胚胎方法来研究活胚胎在所有4个维度(x,y,z和t)的形态发生。具体来说,我们将收集和分析共聚焦显微镜图像,以获得有关选定发育器官和整个胚胎中所有细胞的分裂,形状,体积和运动的定量数据。该项目在样品选择和标记、图像捕获以及图像分析和可视化方面提出了许多挑战。大多数模式生物根本不适合捕捉整个组织中每个细胞的形状和运动的挑战。那些合适的通常与脊索动物有远亲关系,因此缺乏与人类健康和疾病相关的器官和组织。海鞘(海鞘),然而,是近亲的脊椎动物,结合了联合收割机的脊索动物的身体计划与一个小而简单的胚胎结构适合成像在toto。在这样的观测中收集的数据,特别是在观察细胞行为所需的高分辨率下,将是巨大的。从时移图像集中提取大规模定量信息对图像分割和分析提出了很大的挑战。我们已经在分割3D海鞘图像方面取得了重大进展,并在这里提出了这些方法的进一步改进。分割的数据将允许定量分析许多复杂的细胞行为,包括细胞形状和运动驱动原肠胚形成,神经胚形成和会聚延伸的基本变化。这些分析将导致具体的假设,细胞和分子机制驱动形态发生。为了进一步研究这些细胞现象的分子基础,我们还将扩展我们的成像和分析工作,以研究在形态发生中起关键作用的几种蛋白质的亚细胞定位的动态模式。
项目成果
期刊论文数量(0)
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科研奖励数量(0)
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BANGALORE S MANJUNATH其他文献
BANGALORE S MANJUNATH的其他文献
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{{ truncateString('BANGALORE S MANJUNATH', 18)}}的其他基金
The connectome and neurobiology of a novel model chordate, Ciona intestinalis
新型脊索动物模型的连接组和神经生物学,海鞘
- 批准号:
9904776 - 财政年份:2017
- 资助金额:
$ 32.37万 - 项目类别:
Developing tools for Bio-Molecular Image Informatics
生物分子图像信息学开发工具
- 批准号:
6944760 - 财政年份:2004
- 资助金额:
$ 32.37万 - 项目类别:
Developing tools for Bio-Molecular Image Informatics
生物分子图像信息学开发工具
- 批准号:
6818820 - 财政年份:2004
- 资助金额:
$ 32.37万 - 项目类别:
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