上泽充通大￥ Shanghai Jiao Tong University 1896 1920 1987 2006 漏 I.Genes and Gene Experession 7.1 Macromolecules and Genetic Information GHALUNIVE VVV
1896 1920 1987 2006 I. Genes and Gene Experession 7.1 Macromolecules and Genetic Information
上泽充通大￥ Shanghai Jiao Tong University Genes and proteins synthesis A gene is a DNA segment specifying the sequence of a protein (or a rRNA,tRNA) Protein synthesis information within DNA molecule is used to direct the linking of different amino acids in a specific order/sequence. No.7 Chen Feng.Shanghai Jiao Tong University
No. 7 Chen Feng, Shanghai Jiao Tong University Genes and proteins synthesis A gene is a DNA segment specifying the sequence of a protein (or a rRNA, tRNA) Protein synthesis : information within DNA molecule is used to direct the linking of different amino acids in a specific order/ sequence
Steps in Information Flow 5 TTT GTT AAT CAGCAT CTT 3 3 AAACAATTAGTCGTAGAA 5 Three stages: DNA 5 TTT GTT AAT CAGCAT CTT 3 1.Replication复制 3 AAACAATTAGTCGTAGAA 5 2.Transcription转录 REPLICATION 3.Translation翻译 5 TTTGTTAAT CAGCATCTT 3 3 AAACAATTAGTCGTAGAA 5 TRANSCRIPTION OF BOTTOM STRAND Central dogma RNA SUUU GUU AAU CAGCAU CUU3 中心法则 TRANSLATION Protein H2N- Phe Val Asn GIn His Leu -COOH 2012 Pearson Education.Inc
Steps in Information Flow Three stages: 1. Replication复制 2. Transcription转录 3. Translation翻译 Central dogma 中心法则
上帝充通大学 Shanghai Jiao Tong University Prokaryotic and Eukaryotic Genetics Replication,transcription,and translation occur in all organisms. There are some differences in prokaryotes and in eukaryotes. No.9 Chen Feng.Shanghai Jiao Tong University
No. 9 Chen Feng, Shanghai Jiao Tong University Prokaryotic and Eukaryotic Genetics Replication, transcription, and translation occur in all organisms. There are some differences in prokaryotes and in eukaryotes
Information transfer in prokaryotes原核生物的信息传递 Gene A Gene B DNA Transcription Coding region A Coding region B mRNA Translation Protein (a)Prokaryote A single mRNA often contains more than one coding region(polycistronic)多顺反子的
Information transfer in prokaryotes 原核生物的信息传递 A single mRNA often contains more than one coding region (polycistronic)多顺反子的