|
所在平台: Udemy |
课程主页: https://www.udemy.com/course/molecular-biology-basics-unlocking-lifes-code/
课程评论:没有评论
## 分子生物学基础:解锁生命密码! 课程总结 本课程是一门全面的分子生物学入门课程,旨在深入介绍生命的基本编码——DNA,以及其结构、复制、修复、转录、翻译和调控机制。 **课程核心内容包括:** * **DNA的发现与结构:** 回顾了揭示DNA作为遗传物质的关键实验,如Griffith、Avery MacLeod McCarty以及 Hershey Chase 的实验。详细讲解了DNA的双螺旋结构及其功能,以及DNA在细胞内从双螺旋到染色体的组织方式。 * **基因表达的表观遗传机制:** 深入探讨了DNA甲基化、核小体重塑和组蛋白修饰等表观遗传调控方式,以及这些机制如何在不改变DNA序列的情况下影响基因表达。同时介绍了非编码RNA在基因调控中的作用。 * **DNA复制:** 介绍了中心法则,并详细阐述了DNA复制的整个过程,包括复制起点、关键酶(如解旋酶、单链结合蛋白、引物酶、DNA聚合酶、连接酶和拓扑异构酶)的作用,以及前导链和滞后链的合成。 * **DNA损伤与修复:** 讲解了多种DNA损伤类型以及相应的修复机制,包括错配修复、碱基切除修复、同源重组、非同源末端连接、核苷酸切除修复和直接损伤逆转。 * **DNA转录:** 详细介绍了DNA转录的三个主要阶段:起始、延伸和终止。并深入讲解了转录后修饰,包括RNA加工,以及mRNA降解和翻译起始的调控。 * **DNA翻译:** 阐述了蛋白质合成的翻译过程,包括起始、延伸和终止阶段。此外,还涵盖了翻译后修饰,如多肽链的折叠和靶向特定位置的过程。 * **基因调控:** 重点介绍了基因表达的调控机制,包括转录因子、增强子、TATA盒的作用,以及外显子和内含子的概念。 通过本课程的学习,学员将能全面理解分子生物学的核心概念,并为更深入的学习奠定坚实的基础。
Introduction To DNAIntroduction to the courseDNA is the genetic material ExperimentsGriffith's Transformation Experiment (1928).Avery, MacLeod and McCarty's Experiment (1944).Hershey and Chase's Experiment (1952).DNA structure and functionDNA structure.DNA role and function.DNA organization inside the cell.DNA organization from double helix to chromosomes.DNA Epigenetic Mechanisms of Gene ExpressionDNA MethylationDNA methylation mechanism definition.DNA methylation mechanism role.Nucleosome remodelingNucleosome remodeling mechanism definition.Nucleosome remodeling mechanism role.Histone modificationsHistone modifications mechanism definition.Histone modifications mechanism role.Non-coding RNAsNon-coding RNAs mechanism definition.Non-coding RNAs mechanism role.DNA replicationThe central dogmaThe central dogma definition.DNA replication introduction.Origin of replicationOrigin of replication process in eukaryotes.DNA Replication Enzymes - Part 1DNA helicase.Single-strand binding protein.DNA Replication Enzymes - Part 2RNA primase.DNA polymerase I, II, and III.DNA Replication Enzymes - Part 3DNA ligase.Topoisomerase.Synthesizing a New DNA StrandsSynthesizing the leading strand.Synthesizing the lagging strand.DNA damage repairDNA Damage Repair Mechanisms - Part 1Mismatch repair mechanism.Base excision repair mechanism.DNA Damage Repair Mechanisms - Part 2Homologous recombination & Non homologous recombination mechanisms.Nucleotide excision repair mechanism.Direct damage reversal mechanism.DNA TranscriptionDNA Transcription Process and StepsDNA transcription.Initiation stage.Elongation stage.Termination stage.Post-Transcriptional ModificationsRNA ProcessingRNA processing mechanism.Initiation of Translation and mRNA Degradationinitiation of translation and mRNA degradation mechanisms.Protein Processing and DegradationProtein processing and degradation mechanisms.DNA TranslationDNA Translation Process and StepsDNA Translation.Initiation stage.Elongation stage.Termination stage.Post-Translational ModificationsProtein Folding and Targeting Polypeptides to Specific LocationsProtein Folding.Targeting polypeptides to Specific Locations.Gene regulationGene regulation control.Transcription factors.Enhancers.The TATA box.Exons and introns