in response to:Does anyone out there know anything about viruses, characterized or not,
that might infect green algae in general and Chlamydomonas is particular?
There is a group of viruses which infect a marine prasinophyte, which is
related to greens. There is also a group of viruses which infect a
Chlorella-like alga.
These are large dsDNA viruses that are lytic.
You may wish to consult the following review:
Van Etten et al. MIcrobiol. Rev. 55:586-620 (1991)
Hope this helps.
Curtis Suttle
University of Texas at Austin
Marine Science Institute