Virus 構造 DNA or RNA Protein 病毒的區分 依外觀區分 依遺傳物質區分
Figure 17.01
How are virus get into cells ?
Bacterial virus
Influenza virus
Types of genetic material in different virus Double-stranded DNA Single-stranded DNA Double-stranded RNA Single-stranded RNA (+)sence RNA (-)non-sence RNA
Bacteriophage lambda
Baculovirus 對特定寄主有極高的致病力與專一性，其宿 主侷限於昆蟲及部分甲殼類動物 桿狀病毒包括 核多角病毒（ nuclear polyhedrosis virus ， NPV ） 顆粒體病毒（ granulosis virus ， GV ）
Baculovirus ( 續 ) Double-steand,circular DNA kb size Accommodate an additional 100kb or more of foreign DNA Two types of virions Polyhedra –derived virion (PDV) Budded virion (BV)
Baculovirus ( 續 )
Baculovirus 的感染機制
HIV
Polioviurs Naked virion (+)single-strand RNA Producing an RNA replicase Polyprotein
Influenza virus
THE END