Re: [DIYbio] Dinoflagellate Pyrocystis fusiformis

On Sun, Dec 7, 2014 at 11:30 AM, 陳彥吟 <kyo05012000@gmail.com> wrote:
> Hi,
>
> I have two problems wanna know.
>
> First, Can I grow Pyrocystis fusiformis with any sea plant together?
>
> Second, When Noctiluca booming in the ocean, it is non photosynthesized and
> absurd Oxygen , but Pyrocystis fusiformis is photosynthesized. So can I dump
> panty of Pyrocystis fusiformis into the sea water? for balance them..
>

Hmm, well Noctiluca scintillans is non-photosynthetic, but P.
fusiformis is a mixotroph. Wikipedia says N. scintillans will eat
other dinoflagellates, so increasing the concentration of 'dinos' with
P. fusiformis may increase the chance of N. scinitillans eating them.
That would just mean you'd need more P. fusiformis.

Aside from that, I could see the concentration of N scintillans being
high enough to block light enough to slow P. fusiformis'
photosynthesis down quite a lot. I do not know if they would revert to
a oxygen-based metabolism, where they would also start depleting
available oxygen. I don't know, but I do know that this sort of
switchover of metabolism types is present in other organisms (i.e.
E.coli is a facultative anaerobe). (It looks like facultative
phototroph may be a term used in the literature).

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