Human and bovine coronaviruses recognize sialic acid-containing receptors similar to those of influenza C viruses.
Proc Natl Acad Sci U S A
; 85(12): 4526-9, 1988 Jun.
Article
em En
| MEDLINE
| ID: mdl-3380803
ABSTRACT
Human coronavirus OC43 and bovine coronavirus elute from agglutinated chicken erythrocytes when incubated at 37 degrees C, suggesting the presence of a receptor-destroying enzyme. Moreover, bovine coronavirus exhibits an acetylesterase activity in vitro using bovine submaxillary mucin as substrate similar to the enzymatic activity found in influenza C viruses. Furthermore, pretreatment of erythrocytes with either influenza C virus or bovine coronavirus eliminates subsequent binding and agglutination by either coronaviruses or influenza C virus, whereas binding of influenza A virus remains intact. In addition, hemagglutination by coronaviruses can be inhibited by pretreatment of erythrocytes with Arthrobacter ureafaciens or Clostridium perfringens neuraminidase or by addition of sialic acid-containing gangliosides. These results suggest that, like influenza C viruses, human coronavirus OC43 and bovine coronavirus recognize O-acetylated sialic acid or a similar derivative as cell receptor.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Orthomyxoviridae
/
Receptores Virais
/
Ácidos Siálicos
/
Gammainfluenzavirus
/
Coronaviridae
Limite:
Animals
/
Humans
Idioma:
En
Ano de publicação:
1988
Tipo de documento:
Article