Stress-Responsive RNA Regulons in Cryptococcus neoformans
新型隐球菌中的应激反应性 RNA 调节子
基本信息
- 批准号:8676642
- 负责人:
- 金额:$ 34.38万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2011
- 资助国家:美国
- 起止时间:2011-07-01 至 2016-06-30
- 项目状态:已结题
- 来源:
- 关键词:3&apos Untranslated RegionsAddressAlgorithmsAntifungal AgentsBindingBinding ProteinsBiological AssayCell NucleusCell WallCommunitiesComplementComplexCopperCryptococcus neoformansCryptococcus neoformans infectionDataElementsExhibitsFamilyFutureGene ExpressionGene Expression RegulationGenerationsGenesGeneticGoalsHIV InfectionsHomologous GeneIndiumIronMaintenanceMapsMediatingMediator of activation proteinMeningitisMessenger RNAMicroarray AnalysisMolecularNutrientOperonOrganismOxidative StressPathogenesisPathogenicityPathway interactionsPhenotypePlaguePost-Transcriptional RegulationProtein BindingProteinsRNARNA Recognition MotifRNA-Binding ProteinsRNA-Protein InteractionRegulonRibosomal ProteinsRoleSaccharomyces cerevisiaeSpecificityStressStructureTemperatureTestingTherapeuticTranscriptUntranslated RegionsVirulenceWorkbasefungusinhibitor/antagonistmRNA Transcript Degradationmouse modelmutantnitrosative stressnovelpathogenresearch studyresponseribosomal protein 3small moleculestress tolerancestressor
项目摘要
DESCRIPTION (provided by applicant): The pathogenic fungus Cryptococcus neoformans has emerged as the primary cause of community acquired meningitis in regions of the world plagued by HIV infection. Our previous studies have demonstrated a role for post-transcriptional gene regulation in stress tolerance. Our long term goal is to systematically map the protein-RNA interactions that C. neoformans requires for the maintenance of stress tolerance and pathogenicity. We hypothesize that these RNA-protein interactions contribute to the adaptability of C. neoformans, conferring agility to gene expression independent of the nucleus. In this proposal, our focus is two-pronged: First we will identify the RNA binding protein that is interacting with a GGAUG cis element in ribosomal protein transcripts found up-regulated in the ccr4? mutant, and determine its role in stress tolerance and pathogenicity. Second, we will determine the role of the C. neoformans PUF family of RNA binding proteins in stress tolerance and pathogenicity. For both the GGAUG-binding protein and the PUF proteins, we will determine the complement of transcripts that interact with each, allowing us to assemble their respective RNA regulons. Future studies will then build on this work and expand to additional classes or RNA binding proteins. Ultimately, the identification of RNA-protein interactions important for C. neoformans stress tolerance and pathogenicity will provide us with specific targets for novel small-molecule based therapeutics.
描述(由申请人提供):病原性真菌新型隐球菌已成为世界上受艾滋病毒感染困扰的地区社区获得性脑膜炎的主要原因。我们以前的研究已经证明了转录后基因调控在胁迫耐受中的作用。我们的长期目标是系统地绘制C. neoformans需要维持胁迫耐受性和致病性。我们推测这些RNA-蛋白质相互作用有助于C.新形式的,赋予灵活的基因表达独立的细胞核。在这项建议中,我们的重点是双管齐下:首先,我们将确定RNA结合蛋白,是相互作用的GGAUG顺式元件在核糖体蛋白转录发现上调的ccr 4?突变体,并确定其在胁迫耐受性和致病性中的作用。第二,我们将确定C的作用。新形线虫PUF家族的RNA结合蛋白在抗逆性和致病性中的作用。对于GGAUG结合蛋白和PUF蛋白,我们将确定与每个蛋白相互作用的转录本的互补,使我们能够组装它们各自的RNA调节子。未来的研究将建立在这项工作的基础上,并扩展到其他类别或RNA结合蛋白。最终,RNA-蛋白质相互作用的鉴定对C。新形式的应激耐受性和致病性将为我们提供新的基于小分子的治疗剂的特异性靶点。
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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John C Panepinto其他文献
John C Panepinto的其他文献
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{{ truncateString('John C Panepinto', 18)}}的其他基金
Ribosome Heterogeneity in Cryptococcus neoformans
新型隐球菌的核糖体异质性
- 批准号:
10687190 - 财政年份:2021
- 资助金额:
$ 34.38万 - 项目类别:
Ribosome Heterogeneity in Cryptococcus neoformans
新型隐球菌的核糖体异质性
- 批准号:
10391779 - 财政年份:2021
- 资助金额:
$ 34.38万 - 项目类别:
Ribosome Heterogeneity in Cryptococcus neoformans
新型隐球菌的核糖体异质性
- 批准号:
10494146 - 财政年份:2021
- 资助金额:
$ 34.38万 - 项目类别:
Regulation of Intrinsic Caspofungin Resistance in C. neoformans
新型隐球菌内在卡泊芬净耐药性的调节
- 批准号:
9761969 - 财政年份:2018
- 资助金额:
$ 34.38万 - 项目类别:
Stress Responsive Reprogramming of Translating mRNA Pools in C. neoformans
新型隐球菌中翻译 mRNA 库的应激反应性重编程
- 批准号:
9913456 - 财政年份:2017
- 资助金额:
$ 34.38万 - 项目类别:
Stress Responsive Reprogramming of Translating mRNA Pools in C. neoformans
新型隐球菌中翻译 mRNA 库的应激反应性重编程
- 批准号:
10088140 - 财政年份:2017
- 资助金额:
$ 34.38万 - 项目类别:
Stress-Responsive RNA Regulons in Cryptococcus neoformans
新型隐球菌中的应激反应性 RNA 调节子
- 批准号:
8050342 - 财政年份:2011
- 资助金额:
$ 34.38万 - 项目类别:
Stress-Responsive RNA Regulons in Cryptococcus neoformans
新型隐球菌中的应激反应性 RNA 调节子
- 批准号:
8487347 - 财政年份:2011
- 资助金额:
$ 34.38万 - 项目类别:
Stress-Responsive RNA Regulons in Cryptococcus neoformans
新型隐球菌中的应激反应性 RNA 调节子
- 批准号:
8293351 - 财政年份:2011
- 资助金额:
$ 34.38万 - 项目类别:
Ccr4 in the maintenance of thermotolerance and pathogenicity of C. neoformans
Ccr4 在维持新型隐球菌的耐热性和致病性中的作用
- 批准号:
7261535 - 财政年份:2008
- 资助金额:
$ 34.38万 - 项目类别:
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