与帕金森病相关的基因的组合特征和使用模式
1Department of Zoology, Moinul Hoque Choudhury Memorial Science College, Algapur, Hailakandi-788150, Assam, India. arif.uddin29@gmail.com.
Molecular neurobiology
|March 15, 2024
概括
帕金森病基因中的codon使用偏差很低,观察到特定的codon模式. 突变压力似乎影响了PD相关基因中的这种偏差.
科学领域:
- 基因组学就是基因组学.
- 生物信息学是一种生物信息学.
- 分子生物学分子生物学
背景情况:
- 代码使用偏差 (CUB) 反映了基因组组织和基因表达.
- 帕金森病 (PD) 的遗传学是复杂的,在相关基因中对CUB的研究有限.
研究的目的:
- 用生物信息学研究PD相关基因的编码子使用模式和组成特征.
- 识别过多和不足的代码子,并了解影响PD中CUB的因素.
主要方法:
- 来自PD相关基因的蛋白质编码序列的生物信息分析.
- 改进有效编码子 (Nc) 和Nc prime.数量的计算.
- 对GC内容的分析,相对同义词Codon使用 (RSCU),对应分析 (COA) 和中立图的分析.
主要成果:
- 低CUB的表示是平均Nc (42.74) 和Nc prime (44.26).
- GC含量接近50%,其中GC1最高,GC2最低.
- GTG (Val) 是唯一普遍代表过多的代码;其他代表过多的代码以A/T结束,代表不足的代码以G/C结束.
- 在某些PD基因 (例如,SNCA1-8) 中缺少特定的编码子.
- 在PD基因中,COA显示出不同的密码子使用模式.
- 中立图暗示突变压力影响CUB.
结论:
- 与PD相关的基因表现出低密码子使用偏差.
- 在这些基因中,特定的密码体使用模式和缺失值得注意.
- 突变压力是塑造帕金森病遗传学中的代码使用偏差的一个重要因素.
更多相关视频
相关概念视频
Parkinson's Disease: Overview
541
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
541
Neural Regulation
39.4K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
39.4K
Parkinson's Disease: Treatment
264
Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
264
Translation
14.8K
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Proteins are...
Translation Produces the Building Blocks of Life
Proteins are...
14.8K
Human Genetics
566
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
566
Lysosomal Hydrolases
3.8K
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
3.8K


