In article <319jdo$hll at rda.frc.maf.govt.nz> jbj at rda.frc.maf.govt.nz (Brian Jones) writes:
>>I would be interested to see what response this gets. As far as I am
I have received some responses. The gist of it was that little had been
done. Paddy had done his dissertation on this though. I will find
the reponses and post them (editing out anything personal of course).
>aware from the work I have done on Bonamia (a single cell
>?Ascetosporan?) there is no attempt at osmoregulation, the cell is
>isotonic with seawater. Indeed Seawater makes an ideal buffer for
>fixatives.
Unrelated issue: Do you really think the Marteliids (Bonamia, Martelia, etc)
are related to the Haplos? Many (e.g., Frank Perkins, Gene Burreson)
would disagree with you.
>I suspect that the spore forming Ascetosporans (such as
>Minchinia, Haplosporidium) which tend to be estuarine, unlike
>Bonamia, require their spore stage to avoid salinity changes associated
>with freshes and floods which would otherwise kill naked infective
>stages in the environment.
>
Actually, given the epispore ornamentation I would suspect a role in dispersal in th water column as well.
Mark
--
Mark E. Siddall "I don't mind a parasite...
mes at vims.edu I object to a cut-rate one"
Virginia Inst. Marine Sci. - Rick
Gloucester Point, VA, 23062
