冰冻斑节对虾体内病毒侵染中国对虾的电镜观察

用市售冰冻斑节对虾中头胸甲有白斑的病虾做感染源，对中国对虾仔虾进行人工感染，通过电子显微技术，对中国对虾仔虾的肝胰腺细胞进行观察研究。结果表明；冰冻斑节对虾体内的杆状病毒能够使中国对虾致病，其发病程度与对虾养殖密度有关。从病毒基质发生到形成完整的病毒粒子及侵染大致分4个阶段；病毒基质发生期，病毒囊膜形成期，病毒粒子装配期，病毒粒子再度侵染期。同时观察中还发现了一些可能与病毒形成有关的特殊物质，如绒团物和冰晶状物等。

Electron microscopy of viruses in frozen Penaeus monodon which infects Penaeus chinensis postlarvae

Penaeus chinensis postlarvae are artificially infected by baculoviruses from Penaeus monodon.Frozen Penaeus monodon harboured baculovirus used in the experiment came from the Fuhe Baoding market.The hepatopancreatic cells were observed.The resuits show that the baculovirus can infect Penaeus chinensis and the degree of illness is related with the density of cultivation.We find that Penaeus chinensis postlarvae infected by baculovirus can be divided into four stages:1.formation period of vimgenic stroma:2.virus envelope formation period;3.maturation period of viral particles;4.infection period.At the same time,some special material which iS connected with viral formation was observed.