Euglenoid "skeleton"
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Re: Euglenoid "skeleton"
Wow, that is beautiful. I know some protists have a kind of stiff "pellicle", and maybe that is what we are seeing here? But what are the sausage thingies inside? Maybe mitochondria?
Mark Sturtevant
Dept. of Still Waters
Dept. of Still Waters
Re: Euglenoid "skeleton"
No, mitochondria are much smaller (in most cases not visible with optical microscopy at least without staining).MarkSturtevant wrote: ↑Thu Apr 22, 2021 3:23 pmBut what are the sausage thingies inside? Maybe mitochondria?
I think they are paramylon bodies (polysaccharide reserves), very prominent in Euglenophyta
Mike, very interesting picture!
Pau
Re: Euglenoid "skeleton"
Excellent!
Dave
Dave
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Re: Euglenoid "skeleton"
Thanks everyone. It was a very lucky find.
Mike
Mike
Michael Reese Much FRMS EMS Bethlehem, Pennsylvania, USA
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Re: Euglenoid "skeleton"
A very intriguing image. The "spike" on the tapered end of this object is not like anything you would find on a euglenoid. The bilobed structure at the top of it strongly resembles the pedal glands (cement glands, adhesive glands) of a rotifer's foot (as seen in Proales, for instance). I think we're looking at the cuticle of a dead rotifer.
It Came from the Pond (Blog): http://www.itcamefromthepond.com/
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Re: Euglenoid "skeleton"
I doubt it is a rotifer. I have photographed many rotifers and euglenoids. The remains of the paramylon bodies and the patterns of the spiral pellicle strips indicate a Euglena to me. The pointed tipdoesn't appear to be a rotifer "foot."
Mike
Mike
Michael Reese Much FRMS EMS Bethlehem, Pennsylvania, USA
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Re: Euglenoid "skeleton"
Sorry for jumping in, Mike. I must be misreading that spikey posterior (woudn't be the first time! ). I ran it past an algologist, who agrees with you that it looks like a dead euglenoid.
ETA...and I've just had a communication from another expert, who also agrees with you! It looks like I really over-interpreted some debris in the tail.
ETA...and I've just had a communication from another expert, who also agrees with you! It looks like I really over-interpreted some debris in the tail.
It Came from the Pond (Blog): http://www.itcamefromthepond.com/