alanine
简明释义
n. [生化] 丙氨酸
英英释义
单词用法
丙氨酸转氨酶 |
同义词
反义词
| 赖氨酸 | Lysine is an essential amino acid that must be obtained from the diet. | 赖氨酸是一种必需氨基酸，必须通过饮食获得。 | |
| 精氨酸 | Arginine plays a role in protein synthesis and is important for wound healing. | 精氨酸在蛋白质合成中起作用，并对伤口愈合很重要。 |
例句
1.Nonatural Amino Acids, N protected D (L ) 4 Pyridyl alanine was Synthezed. It was identified by optical analysis, 1H NMR, IR and elementary analysis.
合成了非天然氨基酸N保护的D （L ）4吡啶丙氨酸，其结构分别通过旋光度、核磁共振、红外、元素分析得到确证。
2.Female wild-type mice on an ethanol-rich diet had 4 times as much alanine aminotransferase (ALT), indicating liver injury, than mice lacking the osteopontin gene.
雌性野生种小鼠的丙氨酸转氨酶是基因敲除鼠的4倍，这提示肝损伤的存在；
3.They also found that people with higher levels of an amino acid called alanine in their urine had higher blood pressure.
他们还发现尿中丙氨酸含量高的人血压也会相对高。
4.With another, valine, the excess was 23% and with alanine, 20%.
另一种缬氨酸超出了23%，丙氨酸则是20%。
5.The correlations only between alanine aminotransferase and the loads of CMV DNA in plasma and leukocytes are significant (P<0.0001), respectively.
血浆及白细胞中CMV-DNA载量均只与丙氨酸转移酶的相关性有统计学意义（P＜0.0001）；
6.Proton energy spectrum distribution was simulated. And the average collision stopping power of proton in alanine dosimeter was calculated subsequently.
模拟计算了丙氨酸剂量计中的质子能谱分布，随后计算了丙氨酸剂量计的平均碰撞阻止本领。
7.The plasma content of endotoxin and the activity of alanine aminotransferase (ALT) were assayed by biochemistry.
采用生化法测定内毒素含量和丙氨酸转氨酶(ALT)活性。
8.In this paper, the continuous L-Alanine production with packed-bed reactor is described.
将此固定化增殖细胞填入填充床反应器中以用于连续化生产低聚果糖 。
9.High levels of alanine can be indicative of liver function issues.
高水平的丙氨酸可能表明肝功能问题。
10.Athletes often supplement with alanine to improve their performance.
运动员通常补充丙氨酸以提高他们的表现。
11.Research shows that alanine may help reduce muscle fatigue.
研究表明，丙氨酸可能有助于减少肌肉疲劳。
12.In the Krebs cycle, alanine plays a role in energy production.
在克雷布斯循环中，丙氨酸在能量生产中发挥作用。
13.The body uses alanine to produce glucose during fasting.
身体在禁食期间利用丙氨酸生成葡萄糖。
作文
In the fascinating world of biochemistry, amino acids play a crucial role in the structure and function of proteins. One such amino acid is alanine, which is classified as a non-essential amino acid. This means that our bodies can synthesize it from other compounds, making it unnecessary to obtain it directly through our diet. Alanine (丙氨酸) is particularly interesting due to its involvement in various metabolic processes. It is encoded by the codons GCU, GCC, GCA, and GCG in the genetic code, highlighting its importance in protein synthesis.The structure of alanine is relatively simple compared to other amino acids. It consists of a central carbon atom bonded to an amino group (-NH2), a carboxyl group (-COOH), a hydrogen atom, and a distinctive side chain—specifically a methyl group (-CH3). This side chain is what differentiates alanine from other amino acids, contributing to its unique properties and functions within proteins.One of the primary roles of alanine is in the energy metabolism of the body. During times of stress or intense physical activity, the body can utilize alanine to produce glucose through a process known as gluconeogenesis. This is particularly important for athletes or individuals engaging in prolonged exercise, as it helps maintain blood sugar levels and provides energy for muscle contractions. In this way, alanine serves as a vital link between protein metabolism and energy production.Moreover, alanine is involved in the synthesis of several important biomolecules. For instance, it is a precursor to pyruvate, which plays a key role in cellular respiration and energy production. Additionally, alanine contributes to the formation of neurotransmitters and plays a role in the immune system by participating in the production of antibodies. This multifaceted involvement in various biological processes underscores the importance of alanine in maintaining overall health and well-being.Dietary sources of alanine are abundant, especially in protein-rich foods. Meat, fish, eggs, and dairy products are excellent sources, while plant-based sources include beans, lentils, and nuts. For most people, a balanced diet provides sufficient amounts of alanine to meet their physiological needs. However, certain conditions, such as prolonged fasting or specific metabolic disorders, may require individuals to pay closer attention to their alanine intake.In conclusion, alanine (丙氨酸) is a remarkable amino acid with diverse roles in human metabolism, protein synthesis, and energy production. Its ability to be synthesized by the body makes it a non-essential amino acid, yet its significance cannot be understated. From supporting athletes during intense workouts to contributing to the synthesis of vital biomolecules, alanine is integral to various biochemical pathways. Understanding the importance of alanine not only enhances our knowledge of nutrition and biochemistry but also emphasizes the intricate connections between diet, metabolism, and overall health.
在生物化学的迷人世界中，氨基酸在蛋白质的结构和功能中发挥着至关重要的作用。其中一种氨基酸是alanine（丙氨酸），它被归类为非必需氨基酸。这意味着我们的身体可以通过其他化合物合成它，因此不需要直接通过饮食获取。Alanine（丙氨酸）由于参与各种代谢过程而特别有趣。它在遗传密码中由密码子GCU、GCC、GCA和GCG编码，突显了它在蛋白质合成中的重要性。与其他氨基酸相比，alanine的结构相对简单。它由一个中心碳原子与一个氨基（-NH2）、一个羧基（-COOH）、一个氢原子和一个独特的侧链——具体来说是一个甲基（-CH3）组成。这个侧链使得alanine与其他氨基酸有所不同，贡献了它在蛋白质中的独特属性和功能。Alanine的主要作用之一是在体内的能量代谢中。在压力或剧烈运动期间，身体可以利用alanine通过称为糖异生的过程产生葡萄糖。这对于运动员或从事长时间锻炼的个体尤其重要，因为这有助于维持血糖水平并为肌肉收缩提供能量。通过这种方式，alanine成为了蛋白质代谢和能量生产之间的重要纽带。此外，alanine还参与几种重要生物分子的合成。例如，它是丙酮酸的前体，丙酮酸在细胞呼吸和能量生产中起着关键作用。此外，alanine有助于神经递质的形成，并通过参与抗体的生成在免疫系统中发挥作用。这种在各种生物过程中多方面的参与凸显了alanine在维持整体健康和福祉中的重要性。Alanine的膳食来源丰富，尤其是在富含蛋白质的食物中。肉类、鱼类、鸡蛋和乳制品都是优良来源，而植物性来源包括豆类、扁豆和坚果。对于大多数人来说，均衡饮食提供足够的alanine以满足其生理需求。然而，在某些情况下，例如长期禁食或特定的代谢障碍，可能需要个体更加关注其alanine的摄入。总之，alanine（丙氨酸）是一种具有多样角色的显著氨基酸，在人体代谢、蛋白质合成和能量生产中扮演着重要角色。它能够被身体合成使其成为非必需氨基酸，但其重要性不容小觑。从支持运动员在剧烈锻炼中的表现到促进重要生物分子的合成，alanine在各种生化途径中都是不可或缺的。了解alanine的重要性不仅增强了我们对营养和生物化学的认识，也强调了饮食、代谢和整体健康之间的复杂联系。
