ribosomal

简明释义

英[raɪbəˈsəməl]美[raɪbəˈsoʊməl]

[生化]核糖体的, 核（糖核）蛋白体的

英英释义

单词用法

同义词

反义词

例句

1.A polyketide synthase complex composed of polyketide synthase with 15 total modules, a non-ribosomal peptide synthetase with I module, and a cytochrome P450 hydroxylase is described.

描述了包括总共具有15个组件的聚酮化合物合酶、具有1个组件的非核糖体肽合成酶和细胞色素P 450羟化酶组成的聚酮化合物合酶复合物。

2.A polyketide synthase complex composed of polyketide synthase with 15 total modules, a non-ribosomal peptide synthetase with I module, and a cytochrome P450 hydroxylase is described.

描述了包括总共具有15个组件的聚酮化合物合酶、具有1个组件的非核糖体肽合成酶和细胞色素P 450羟化酶组成的聚酮化合物合酶复合物。

3.The phylogenetic tree drawn by ClustalW and Phylip software indicated that the relationship of S21 from different species corresponded to the evolutionary trend of ribosomal.

进化树分析显示S21蛋白可在一定程度上反映生物的进化及遗传变异趋势。

4.The structure of the ribosomal 核糖体的 RNA is crucial for protein synthesis.

核糖体的RNA结构对于蛋白质合成至关重要。

5.Scientists are studying the ribosomal 核糖体的 proteins to understand their roles in cellular functions.

科学家们正在研究核糖体蛋白，以了解它们在细胞功能中的作用。

6.Mutations in ribosomal 核糖体的 genes can lead to various diseases.

核糖体基因的突变可能导致各种疾病。

7.The ribosomal 核糖体的 assembly process is highly regulated within the cell.

核糖体的组装过程在细胞内受到高度调控。

8.Antibiotics often target ribosomal 核糖体的 functions to inhibit bacterial growth.

抗生素通常针对核糖体的功能以抑制细菌生长。

作文

Ribosomes are essential cellular structures that play a critical role in the process of protein synthesis. They can be found in both prokaryotic and eukaryotic cells, serving as the site where messenger RNA (mRNA) is translated into proteins. The term ribosomal refers to anything related to these vital organelles, particularly in the context of their structure and function. Ribosomes are composed of ribosomal RNA (rRNA) and proteins, forming two subunits that come together during translation. This assembly is crucial for the ribosome's ability to read the mRNA sequence and link the corresponding amino acids to form a polypeptide chain. Understanding the ribosomal function is fundamental for many fields, including molecular biology, genetics, and medicine. For instance, antibiotics often target ribosomal activity in bacteria, inhibiting their ability to produce proteins necessary for survival and replication. This specificity is what makes these drugs effective against bacterial infections without harming human cells, which have structurally different ribosomes. In eukaryotic cells, ribosomes can either float freely in the cytoplasm or be attached to the endoplasmic reticulum, forming what is known as the rough ER. The location of ribosomes influences the type of proteins being synthesized; for example, those bound to the rough ER typically produce proteins destined for secretion or for use within the cell membrane. This illustrates the intricate relationship between ribosomal location and cellular function. The study of ribosomal RNA has also provided significant insights into evolutionary biology. By comparing the rRNA sequences of different organisms, scientists can infer phylogenetic relationships and trace the evolutionary history of life on Earth. This has led to the concept of the universal tree of life, which highlights the common ancestry of all living organisms. Moreover, advancements in technology have allowed researchers to visualize ribosomes at an unprecedented resolution. Techniques such as cryo-electron microscopy have unveiled the detailed architecture of ribosomal subunits, revealing how they interact with mRNA and tRNA during translation. Such discoveries enhance our understanding of the molecular machinery of life and open up new avenues for drug development and biotechnology. In conclusion, the term ribosomal encompasses a broad range of biological significance, from its fundamental role in protein synthesis to its implications in evolutionary studies and medical applications. As research continues to evolve, the importance of understanding ribosomal structures and functions will undoubtedly remain at the forefront of biological sciences. Whether in the context of antibiotic resistance, the production of therapeutic proteins, or the exploration of life's origins, the study of ribosomes and their ribosomal components offers endless opportunities for discovery and innovation.

核糖体是细胞中的基本结构，在蛋白质合成过程中发挥着关键作用。它们可以在原核细胞和真核细胞中找到，作为信使RNA（mRNA）被翻译为蛋白质的场所。术语ribosomal指的是与这些重要细胞器相关的任何事物，特别是在其结构和功能的上下文中。核糖体由核糖体RNA（rRNA）和蛋白质组成，形成两个亚单位，在翻译过程中结合在一起。这种组合对于核糖体读取mRNA序列并将相应的氨基酸连接以形成多肽链的能力至关重要。 理解ribosomal功能对许多领域至关重要，包括分子生物学、遗传学和医学。例如，抗生素通常针对细菌的ribosomal活性，抑制它们产生生存和复制所需的蛋白质的能力。这种特异性使这些药物能够有效地对抗细菌感染，而不会伤害人类细胞，因为人类细胞的核糖体结构不同。 在真核细胞中，核糖体可以自由漂浮在细胞质中或附着在内质网，形成所谓的粗糙内质网。核糖体的位置影响着合成蛋白质的类型；例如，附着在粗糙内质网上的核糖体通常产生用于分泌或细胞膜内使用的蛋白质。这说明了核糖体位置与细胞功能之间的复杂关系。 对ribosomal RNA的研究也为进化生物学提供了重要的见解。通过比较不同生物体的rRNA序列，科学家可以推断系统发育关系并追踪地球上生命的进化历史。这导致了普遍生命树的概念，突显了所有生物体的共同祖先。 此外，技术的进步使研究人员能够以前所未有的分辨率可视化核糖体。诸如冷冻电子显微镜等技术揭示了ribosomal亚单位的详细结构，显示它们在翻译过程中如何与mRNA和tRNA相互作用。这些发现增强了我们对生命分子机器的理解，并为药物开发和生物技术开辟了新的途径。 总之，术语ribosomal涵盖了广泛的生物学意义，从其在蛋白质合成中的基本作用到其在进化研究和医学应用中的影响。随着研究的不断发展，理解ribosomal结构和功能的重要性无疑将继续处于生物科学的前沿。无论是在抗生素耐药性、治疗性蛋白质的生产还是生命起源的探索的背景下，核糖体及其ribosomal成分的研究为发现和创新提供了无尽的机会。