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相关概念视频

Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

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Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
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Biological Clocks and Seasonal Responses02:45

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The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.
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Genome Annotation and Assembly03:36

Genome Annotation and Assembly

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The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
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The Phragmoplast01:59

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Cell division is essential for organismal growth and development. In animal cells, the central spindle and its associated proteins form the midbody, a structure that has an essential role in cytokinesis. In plants, the central spindle, along with the microtubules, actin, and other cell components, matures into the phragmoplast, which is necessary for cytokinesis. Unlike the stationary midbody, the phragmoplast expands centrifugally, eventually leading to the formation of the new cell wall.
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Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
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Cell Specific Analysis of Arabidopsis Leaves Using Fluorescence Activated Cell Sorting
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源自阿拉比多普西斯的基础研究的核心生物原理和工具.

Lucia C Strader1, David Edwards2,3, Sridevi Sureshkumar4

  • 1Department of Biology, Duke University, Durham, NC 27708, USA.

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概括

阿拉比多普西斯塔利亚纳的研究提供了关于植物免疫力,基因组变异性和合成生物学的见解. 在植物中开发的工具,如辅酶诱导降解,现在推进治疗和蛋白质功能研究.

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科学领域:

  • 植物生物学 植物生物学
  • 基因组学就是基因组学.
  • 合成生物学 合成生物学
  • 免疫学 免疫学 免疫学
  • 生物技术是生物技术.

背景情况:

  • 阿拉比多普西斯 (Arabidopsis thaliana) 是植物科学中的一个关键模型生物.
  • 它的研究已经产生了广泛的见解,适用于真核生物学的生物学.

研究的目的:

  • 突出阿拉比多普西斯研究的多样性贡献.
  • 展示其对免疫力,基因组学,合成生物学和治疗开发的影响.

主要方法:

  • 在泛基因组学和重复扩张分析中,Arabidopsis驱动的进步的审查.
  • 探索合成生物学和生物生产应用.
  • 检查诸如辅酶诱导降解等工具用于蛋白质功能的研究.

主要成果:

  • 阿拉比多普西斯的研究已经告知了哺乳动物的免疫力和转化调节.
  • 泛基因组学和阿拉比多普西斯的重复扩展研究重新塑造了对基因组变异性和疾病影响 (例如,弗里德里希的缺氧症) 的理解.
  • 在阿拉比多普西斯中合成生物学应用提升了生物生产和代谢物工程.

结论:

  • 阿拉比多普西斯·塔利亚纳 (Arabidopsis thaliana) 作为一个基本生物学发现的多功能平台.
  • 来自Arabidopsis研究的方法具有重要的跨学科应用,包括在人类治疗中.
  • 继续研究阿拉比多普西斯驱动基因组学,生物技术和医学领域的创新.