百欧博伟生物 ATCC -VR-21
小杨 / 2020-02-01 09:10:07
基本信息
平台编号：bio-49995
规格：frozen
菌株名称：ATCC -VR-21
详情介绍
ATCC Number:VR-21
Classification: Nidovirales, Coronaviridae, Coronavirus,Group 3
Agent: Infectious bronchitis virus
Strain: Massachusetts (Mich. State Univ. Repos. Code 41)
Original Source: 19-day-old chicks accidentally infected, Massachusetts, 1941
Depositors: CH Cunningham
Biosafety Level:2
Shipped: frozen
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Host Organism : chicken embryo, i.a. inoculation chicken (10 day old), i. t. inoculation
Incubation : Temperature: 37.0°C Duration: 2-6 days
Effect : Yes, in vivo effects: curling and stunting of chicken embryo; death of embryo may occur
Comments : Unlike fully egg-adapted strains that are non-immunogenic, this strain produces satisfactory immunity as determined by neutralization test for antibodies. The Massachusetts 41 strain is the protype strain of IBV, however it should be noted that antigenicity and virulence of IBV change readily with passage in culture.
References : 33269: Cunningham CH. Symposium on immunization against infectious bronchitis virus. I. Some basic properties of infectious bronchitis virus. Am. J. Vet. Res. 18: 648, 1957. PubMed: 13444588 33270: Cunningham CH. . Adv. Vet. Sci. 14: 106-148, 1970. 33271: McIntosh K. . Curr. Top. Microbiol. Immunol. 63: 86-119, 1974. 33272: Cunningham CH. . Am. J. Vet. Res. 21: 498, 1960.
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