Another coronavirus , porcine transmissible gastroenteritis virus ( TGEV ) preferentially recognizes N -glycolylneuraminic acid .
TGEV does not contain a receptor - destroying enzyme
Another coronavirus , porcine transmissible gastroenteritis virus ( TGEV ) preferentially recognizes N -glycolylneuraminic acid .
TGEV does not contain a receptor - destroying enzyme and does not depend on the sialic acid binding activity for infection of cultured cells .