VirusVirus
構造DNA or RNA
Protein
病毒的區分依外觀區分依遺傳物質區分
Figure 17.01Figure 17.01
How are virus get into cells ?How are virus get into cells ?
Bacterial virusBacterial virus
Influenza virusInfluenza virus
Types of genetic material in different virusTypes of genetic material in different virus
Double-stranded DNA
Single-stranded DNA
Double-stranded RNA
Single-stranded RNA(+)sence RNA
(-)non-sence RNA
Bacteriophage lambdaBacteriophage lambda
BaculovirusBaculovirus
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 )Baculovirus ( 續 )
Double-steand ,circular DNA
80-200kb size
Accommodate an additional 100kb or more of foreign DNA
Two types of virionsPolyhedra –derived virion (PDV)
Budded virion (BV)
Baculovirus ( 續 )Baculovirus ( 續 )
Baculovirus 的感染機制Baculovirus 的感染機制
HIVHIV
PolioviursPolioviurs
Naked virion
(+)single-strand RNA
Producing an RNA replicase
Polyprotein
Influenza virusInfluenza virus
THE END