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. 1977 Sep;36(3):495-502.
doi: 10.1099/0022-1317-36-3-495.

Studies on the structure of a coronavirus-avian infectious bronchitis virus

R W Bingham, J D Almeida

Studies on the structure of a coronavirus-avian infectious bronchitis virus

R W Bingham et al. J Gen Virol. 1977 Sep.

Abstract

When avian infectious bronchitis virus (IBV) is fixed in formaldehyde, negative stain is able to penetrate the particle and an internal component is visualized. This component is seen as a tongue or flask shaped structure attached at one point to the outer virus membrane. A model yielding transmission patterns similar to the virus has been made. Gradient centrifugation studies on IBV reveal that the RNP is associated with the internal sac.

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