Viruses can't replicate without host, and the so-called in-vitro virus culture actually cultures virus on bacterial biofilm or embryos. would viruses not replicate even if they are presented in a medium with enough ribosome, enzyme, DNA, RNA etc, without any pre-existing "life"? I am asking this as a materials science student, about viability of virus replication in presence of suitable biomaterials,biomolecules and nutrients , without life. How virus detects whether the biochemicals they are using is from "alive" or "dead" host? can that pathway be genetically tweaked?
Pierre Béguin
Any form of life that can replicate in vitro, i.e. without a host, is by definition not a virus.
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