Drosophila Salivary Gland Morphogenesis
果蝇唾液腺形态发生
基本信息
- 批准号:6790068
- 负责人:
- 金额:$ 13.48万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-08-01 至 2006-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
DESCRIPTION (provided by applicant):
During embryonic development, the morphogenetic movements of specified groups of cells are carefully orchestrated to give rise to organs with unique shapes and sizes. To understand the mechanism(s) by which such movements occur, we have chosen to study the early development of the embryonic salivary glands of Drosophila melanogaster. Our strategy is to identify mutations affecting salivary gland morphology, and by characterizing the corresponding genes, learn the cellular and molecular basis of cell shape change and cell migration. From a large-scale chemical mutagenesis screen we identified many mutations that cause interesting salivary gland phenotypes, among which is a new allele of hairy which forms branched salivary glands, and a group of mutants which affect the directed migration of the glands. We will determine how mutations in hairy cause salivary glands to branch instead of form uniform tubes, and identify downstream effectors involved in cell shape change. We will characterize the salivary gland migration mutants and identify their corresponding wild-type genes. We will complete the analysis of the remaining mutant lines from the screen and select mutants with possible defects in salivary cell shape change for further characterization. The results of these studies will identify additional genes required for salivary gland morphogenesis and determine how their roles are coordinated to give rise to a tubular organ with a unique shape. The understanding that we gain from these studies will have wide-reaching applications to the formation of other organs as well to certain diseases where cell change shape and tube formation are involved, such as tumor metastasis.
描述(由申请人提供):
在胚胎发育过程中,特定细胞群的形态发生运动被精心安排,以产生具有独特形状和大小的器官。为了了解这种运动发生的机制,我们选择研究果蝇胚胎唾液腺的早期发育。我们的策略是识别影响唾液腺形态的突变,并通过表征相应的基因,了解细胞形状变化和细胞迁移的细胞和分子基础。从一个大规模的化学诱变筛选,我们确定了许多突变,导致有趣的唾液腺表型,其中是一个新的等位基因的毛形成分支唾液腺,和一组突变体,影响定向迁移的腺体。我们将确定毛状突变如何导致唾液腺分支而不是形成均匀的管,并确定参与细胞形状变化的下游效应子。我们将描述唾液腺迁移突变体的特征并鉴定其相应的野生型基因。我们将完成对筛选出的剩余突变株系的分析,并选择在唾液细胞形状变化方面可能存在缺陷的突变株进行进一步表征。这些研究的结果将确定唾液腺形态发生所需的其他基因,并确定它们的作用如何协调,以产生具有独特形状的管状器官。我们从这些研究中获得的理解将对其他器官的形成以及涉及细胞形状改变和管形成的某些疾病(如肿瘤转移)具有广泛的应用。
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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{{ truncateString('MONN MONN MYAT', 18)}}的其他基金
Regulation of Cohesive Cell Migration in Drosophila Embryogenesis
果蝇胚胎发生中粘性细胞迁移的调控
- 批准号:
7575817 - 财政年份:2008
- 资助金额:
$ 13.48万 - 项目类别:
Regulation of Cohesive Cell Migration in Drosophila Embryogenesis
果蝇胚胎发生中粘性细胞迁移的调控
- 批准号:
7351697 - 财政年份:2008
- 资助金额:
$ 13.48万 - 项目类别:
Regulation of Cohesive Cell Migration in Drosophila Embryogenesis
果蝇胚胎发生中粘性细胞迁移的调控
- 批准号:
7776882 - 财政年份:2008
- 资助金额:
$ 13.48万 - 项目类别:
Regulation of Cohesive Cell Migration in Drosophila Embryogenesis
果蝇胚胎发生中粘性细胞迁移的调控
- 批准号:
8231506 - 财政年份:2008
- 资助金额:
$ 13.48万 - 项目类别:
Regulation of Cohesive Cell Migration in Drosophila Embryogenesis
果蝇胚胎发生中粘性细胞迁移的调控
- 批准号:
8033699 - 财政年份:2008
- 资助金额:
$ 13.48万 - 项目类别:
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