Brian T Foley,
Los Alamos National Lab, Los Alamos, NM 87545 USA
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In his rapid response, Jeffrey Evans wrote:
"It was not to be - I'm still without an example of another genome-insinuating, exogenous, infectious entity."
I have no
idea what Jeffrey is talking about here. There are dozens of exogenous
retroviruses which have been characterized in detail:
There are many exogenous retroviruses of livestock and fowl that are of economic importance in the agricultural industry. The Avian Leukosis/Sarcoma Viruses are just one example. Look up all the research that has been done in recent years on the "J subtype" of ALV for an introduction.
Lupiani B, Williams SM, Silva RF, Hunt HD, Fadly AM.
Wang CH, Juan YW.
Landman WJ, Post J, Boonstra-Blom AG, Buyse J, Elbers AR, Koch G.
ALV-J appears to be a recent recombinant between the exogenous Rous Sarcoma Virus type of ALV, and an endogenous fowl retrovirus. Below is an example of a bovine exogenous retrovirus that has been less well characterized than ALV-J:
Nuotio L, Rusanen H, Sihvonen L, Neuvonen E.
Competing interests: None declared