Bacterial Differentiation
Bacterial Differentiation
批准号:
7995244
负责人:
Charles P. Moran
金额:
$34.94万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
1996
资助国家:
美国
项目状态:
已结题
起止时间:
1996-06-01 至 2012-11-30
关键词:
AreaBacillus subtilisBacteriaBiologicalCannibalismCapsid ProteinsCell Membrane ProteinsCellsCellular StructuresCellular biologyComplexCoupledCytoplasmDNA-Binding ProteinsDNA-Directed RNA PolymeraseDevelopmentDevelopmental BiologyDynaminFeedbackGene ExpressionGoalsGrowthGuanosine TriphosphateGuanosine Triphosphate PhosphohydrolasesHealthHumanLeucine ZippersMaintenanceMembraneModelingModificationMolecularMothersNutrientPatternPopulationProteinsResearchRibosomesRoleSiblingsSigma FactorSignal TransductionStagingStudy modelsSystemTestingTimeanalogcell typeinorganic phosphateinsightintercellular communicationkillingspathogenpathogenic bacteriapromoterprotein structureresponsesuccesstranscription factor
中文摘要
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英文摘要
DESCRIPTION (provided by applicant): Differentiation of the bacterium Bacillus subtilis from the vegetative form into a dormant endospore has provided a powerful model for the study of fundamental problems in developmental biology. The overall goal is to understand how gene expression is coordinated with the assembly of cellular structures during differentiation. At the onset of sporulation a phosphorelay system controls the timing of early gene expression. As differentiation continues gene expression is coupled to the completion of specific morphological landmarks, and is synchronized between two cells. Additionally, morphogenetic proteins guide, and possibly regulate, the construction of sub-cellular structures. In this application we will investigate regulatory mechanisms that operate at each of these stages of development. In the first aim we will examine how two response regulators (Spo0A and PhoP) interact to produce two phenotypically different fractions of a clonal population. In the second aim we examine the role of newly discovered channel that connects two cells (forespore and mother cell) during endospore development, and in the third aim investigate the potential roles of two transcription factors in cell-type specific restriction of RNA polymerase sigma factor activity. In the final aim we examine the role of a GTP/ATP hydrolyzing protein in the assembly of the complex coat protein structure of endospores. Success in any one of these aims would represent substantial new information, and significantly impact our ideas in broad areas of cell biology and intercellular communication. PUBLIC HEALTH RELEVANCE: The bacterium Bacillus subtilis, is related to bacteria that are important human pathogens. However, B. subtilis is more amenable to analysis. Therefore, the results of this research will more readily provide insights into the molecular mechanisms governing the growth, survival, and other biological activities of these related pathogenic bacteria.
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An Intercellular Connection in Endospore Development
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批准号:8669557
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项目类别:
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资助金额:$29.64万
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财政年份:2014
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负责人:Charles P. Moran
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依托单位:
An Intercellular Connection in Endospore Development
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批准号:9269236
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项目类别:
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资助金额:$29.64万
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财政年份:2014
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负责人:Charles P. Moran
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依托单位:
An Intercellular Connection in Endospore Development
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批准号:8837032
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项目类别:
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资助金额:$29.64万
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财政年份:2014
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase Sigma Factors in Streptococcus pyogenes
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批准号:6438077
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项目类别:
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资助金额:$26.6万
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财政年份:2002
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase Sigma Factors in Streptococcus pyogenes
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批准号:6699340
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项目类别:
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资助金额:$26.6万
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财政年份:2002
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase Sigma Factors in Streptococcus pyogenes
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批准号:6621993
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项目类别:
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资助金额:$26.6万
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财政年份:2002
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase Sigma Factors in Streptococcus pyogenes
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批准号:6858581
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项目类别:
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资助金额:$26.6万
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财政年份:2002
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负责人:Charles P. Moran
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依托单位:
RNA POLYMERASE AND BACTERIAL DIFFERENTIATION
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批准号:6519754
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项目类别:
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资助金额:$34.01万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA POLYMERASE AND BACTERIAL DIFFERENTIATION
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批准号:2430502
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项目类别:
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资助金额:$28.94万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA POLYMERASE AND BACTERIAL DIFFERENTIATION
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批准号:6133888
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项目类别:
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资助金额:$33.88万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase and Bacterial Differentiation
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批准号:7117377
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项目类别:
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资助金额:$33.62万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
Bacterial Differentiation
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批准号:7753638
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项目类别:
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资助金额:$35.29万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA POLYMERASE AND BACTERIAL DIFFERENTIATION
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批准号:6017092
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项目类别:
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资助金额:$31.44万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA POLYMERASE AND BACTERIAL DIFFERENTIATION
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批准号:6386339
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项目类别:
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资助金额:$34.07万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase and Bacterial Differentiation
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批准号:7282398
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项目类别:
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资助金额:$32.64万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA POLYMERASE AND BACTERIAL DIFFERENTIATION
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批准号:2713755
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项目类别:
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资助金额:$30.26万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase and Bacterial Differentiation
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批准号:6919295
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项目类别:
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资助金额:$34.43万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA Polymerase and Bacterial Differentiation
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批准号:6823634
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项目类别:
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资助金额:$34.43万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
RNA POLYMERASE AND BACTERIAL DIFFERENTIATION
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批准号:6636194
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项目类别:
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资助金额:$34.01万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
Bacterial Differentiation
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批准号:7615453
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项目类别:
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资助金额:$35.65万
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财政年份:1996
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负责人:Charles P. Moran
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依托单位:
国内基金
海外基金
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