Monthly Archives: October 2014

Endosybionts in a tent.

I spent last night camping in the backyard with the kids.  As the slept next to me in the tent, with the rush of the freeway almost perfectly simulating a rushing river (except for the occasional motorcycle… giant Jurassic dragonflies??) … Continue reading

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Not so many heliozoans today.

My “Spirogyra” culture is really a Chlorella culture with a small Spirogyra problem.  Other things in it:  Lots of Rotifers, spiky things that might be Desmids (see below), but only the occasional Acanthocystis (aka heliozoans).  Sure wish I knew if … Continue reading

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An algivorous heliozoan?

Those round green structures inside what looks like an empty Spirogyra looked (at higher magnification) just like Acanthocystis. Acanthocystis (or at least Acanthocystis turfacae) is algaivorous and takes on Chlorella endosymbionts. (reference) There are two types of Chlorella that support … Continue reading

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Notes on: Behavior of a virus in a symbiotic system, Paramecium bursaria-Zoochlorella. 1978

Endosymbiotic Chlorella do not appear to be infected because: “In contrast to the ingested cells, the zoochlorellae growing symbiotically within the cytoplasm of the ciliate were free of detectable particles” Apparently Chlorella “free and in the wild” wasn’t obviously infected … Continue reading

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Green Algae from Pintrest

Made a Pintrest page to see if I could store images there (free, unlimited) and post them here.  Check! These are from my stock culture of Spirogyra.  Interesting (or not) that its contaminated with what I think is Chlorella.  Cool … Continue reading

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Centrifugation!

I can spin down Chlorella cells! 10′ in the clinical centrifuges from the Biology lab:

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The plating efficiency of Chlorella: so far, its zero

Several weeks ago it occurred to me that I need to answer some really basic questions on my own in order to become more experienced about Chlorella and how it grows, so the first one I decided to ask is: … Continue reading

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