Preposition: of

• virus: The virus first binds to its host cell via specific sialic acid residues, which can control the species tropism of the virus.

Converse of object

• have: The virus also has gastrointestinal tropism in various bird species.

• determine: Chapters on HIV-1 replication and the factors that determine cell tropism are included.

Adjective modifier

• different: Both SPA and ENT are tumors of secretory epithelial cells yet ENTV and JSRV appear to have different tropisms.

Noun used with modifier

• tissue: Virulence is complex and involves a number of features, including host adaptation, transmissibility, tissue tropism and virus replication efficiency.

• kernel: It may be wondered if the move to kernel tropism in trope bundle and sheaf theory is absolutely necessary.