巨细胞遗传盒inr/dtor/pvf2是一个营养状况检查点,用于发育时间
Sergio Juarez-Carreño1, Frederic Geissmann1
1Immunology Program, Sloan Kettering Institute, MSKCC, New York, NY 10065, USA.
Science advances
|September 20, 2023
概括
一个巨细胞遗传通路作为发育检查点,调节基于幼虫营养的类固醇激素产量. 这确保了适当的转化时间,并影响了成年的大小.
科学领域:
- 发展生物学 发展生物学
- 内分泌学 在内分泌学.
- 分子遗传学 分子遗传学
背景情况:
- 发育时间对于生物体的适应至关重要.
- 环境线索,如营养,影响发展进展.
- 连接营养与发育时间的机制尚未完全理解.
研究的目的:
- 为了确定分子机制控制发育时间响应营养.
- 研究巨细胞信号在发育检查点中的作用.
- 为了阐明营养的可用性如何影响转化.
主要方法:
- 使用Drosophila melanogaster作为一个模型生物.
- 研究的基因录音带涉及胰岛素受体 (InR) /dTor信号和Pvf2.
- 分析了醇生物合成的基因表达在前胸腺的万圣节基因.
- 评估了Pvf2信号对类固醇生物合成和发育时间的影响.
主要成果:
- 一个特定于巨细胞的inr/dtor/pvf2基因盒作为发育时间检查点.
- 巨细胞的InR/dTor信号传递对于产生生长因子Pvf2.2至关重要.
- 在前胸腺中,Pvf2通过Pvr受体激活醇生物合成基因.
- 营养状况调节Pvf2信号,在饥饿期间延迟类固醇生物合成.
结论:
- 巨细胞信号整合营养状况以控制发育时间.
- 这个检查点确保发展进展与资源可用性保持一致.
- 该途径调节幼虫的发育时间,并影响成人的体型,影响宿主的健康状况.
更多相关视频
11:21Forward Genetics Screens Using Macrophages to Identify Toxoplasma gondii Genes Important for Resistance to IFN-γ-Dependent Cell Autonomous Immunity
Published on: March 12, 2015
11.1K
09:38Site-Directed φC31-Mediated Integration and Cassette Exchange in Anopheles Vectors of Malaria
Published on: February 2, 2021
4.0K
相关概念视频
Exon Recombination
3.6K
The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes.
Exon shuffling follows “splice frame rules.” Each exon...
Exon shuffling follows “splice frame rules.” Each exon...
3.6K
mTOR Signaling and Cancer Progression
3.8K
The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
The mTOR pathway or the...
3.8K
