页数:30页文件大小:645.3 KB来源: 生物化学ppt课件
本课件说明基因表达调控的基本逻辑,先列出影响蛋白质稳态浓度的多个环节并指出其调控意义,再以原核操纵子为重点讲解转录起始的正负调控与诱导阻遏,并简介真核生物的多层次调控特点。
Chapter 14Regulation of Gene Expression
Six processes that affect the steadystate concentration of a protein. Eachof these processes is a potential pointof regulation
Common patterns of regulation oftranscription initiation
Many Prokaryotic Genes are clustered inUnits Called Operons
异丙基-β-D-硫代半乳糖苷
Regulatory Proteins Have Discrete DNA-Binding DomainsHelix-Turn-HelixZinc FingerLeucine ZipperHelix-Loop-Helix
Helix-Turn-Helix
Helix-Turn-Helix
Leucine Zipper
Leucine Zipper
Genes for Amino Acid BiosynthesisAre Regulated by TranscriptionAttenuation
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